./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.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_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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_4ab19247-c573-4325-940a-0d5284f6ccb0/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 c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:16,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:17,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:52:17,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:17,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:17,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:17,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:17,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:17,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:17,096 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:17,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:17,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:17,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:17,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:17,100 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:17,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:17,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:17,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:17,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:17,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:17,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:17,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:17,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:17,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:17,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:17,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:17,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:17,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:17,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:17,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:17,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:17,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:17,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:17,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:17,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:17,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:17,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:17,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:17,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:17,112 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_4ab19247-c573-4325-940a-0d5284f6ccb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 [2023-11-26 11:52:17,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:17,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:17,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:17,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:17,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:17,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-26 11:52:20,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:20,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:20,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-26 11:52:20,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data/50e48e37d/ec9a890254174a26a5ac6af0f220d6c6/FLAGe54b55868 [2023-11-26 11:52:20,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data/50e48e37d/ec9a890254174a26a5ac6af0f220d6c6 [2023-11-26 11:52:20,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:20,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:21,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:21,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:21,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:21,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1722ff19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21, skipping insertion in model container [2023-11-26 11:52:21,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:21,228 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_4ab19247-c573-4325-940a-0d5284f6ccb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-26 11:52:21,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:21,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:21,378 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_4ab19247-c573-4325-940a-0d5284f6ccb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-26 11:52:21,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:21,486 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:21,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21 WrapperNode [2023-11-26 11:52:21,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:21,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:21,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:21,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:21,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,622 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 639 [2023-11-26 11:52:21,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:21,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:21,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:21,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:21,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,754 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 11:52:21,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:21,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:21,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:21,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:21,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (1/1) ... [2023-11-26 11:52:21,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:21,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:21,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:21,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:22,120 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:22,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:23,004 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:23,047 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:23,047 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:52:23,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:23 BoogieIcfgContainer [2023-11-26 11:52:23,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:23,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:23,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:23,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:23,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:20" (1/3) ... [2023-11-26 11:52:23,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e01ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:23, skipping insertion in model container [2023-11-26 11:52:23,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:21" (2/3) ... [2023-11-26 11:52:23,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e01ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:23, skipping insertion in model container [2023-11-26 11:52:23,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:23" (3/3) ... [2023-11-26 11:52:23,059 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2023-11-26 11:52:23,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:23,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:23,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:23,145 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;@2511e63a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:23,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 120 states have (on average 1.6666666666666667) internal successors, (200), 121 states have internal predecessors, (200), 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 11:52:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-26 11:52:23,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:23,160 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] [2023-11-26 11:52:23,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:23,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:23,166 INFO L85 PathProgramCache]: Analyzing trace with hash -994773413, now seen corresponding path program 1 times [2023-11-26 11:52:23,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:23,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257382941] [2023-11-26 11:52:23,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:23,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:24,044 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 11:52:24,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:24,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257382941] [2023-11-26 11:52:24,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257382941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:24,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:24,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:24,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055736424] [2023-11-26 11:52:24,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:24,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:24,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:24,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:24,105 INFO L87 Difference]: Start difference. First operand has 122 states, 120 states have (on average 1.6666666666666667) internal successors, (200), 121 states have internal predecessors, (200), 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 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 11:52:24,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:24,204 INFO L93 Difference]: Finished difference Result 234 states and 386 transitions. [2023-11-26 11:52:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:24,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2023-11-26 11:52:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:24,219 INFO L225 Difference]: With dead ends: 234 [2023-11-26 11:52:24,220 INFO L226 Difference]: Without dead ends: 122 [2023-11-26 11:52:24,223 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 11:52:24,228 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 574 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 11:52:24,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 574 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-26 11:52:24,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-11-26 11:52:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.6363636363636365) internal successors, (198), 121 states have internal predecessors, (198), 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 11:52:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 198 transitions. [2023-11-26 11:52:24,294 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 198 transitions. Word has length 34 [2023-11-26 11:52:24,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:24,296 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 198 transitions. [2023-11-26 11:52:24,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 11:52:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2023-11-26 11:52:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-26 11:52:24,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:24,299 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] [2023-11-26 11:52:24,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:24,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:24,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:24,301 INFO L85 PathProgramCache]: Analyzing trace with hash -771479603, now seen corresponding path program 1 times [2023-11-26 11:52:24,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:24,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592466813] [2023-11-26 11:52:24,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:24,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:24,656 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 11:52:24,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:24,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592466813] [2023-11-26 11:52:24,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592466813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:24,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:24,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:24,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647272644] [2023-11-26 11:52:24,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:24,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:24,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:24,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:24,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:24,662 INFO L87 Difference]: Start difference. First operand 122 states and 198 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 11:52:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:24,728 INFO L93 Difference]: Finished difference Result 237 states and 384 transitions. [2023-11-26 11:52:24,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:24,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-11-26 11:52:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:24,734 INFO L225 Difference]: With dead ends: 237 [2023-11-26 11:52:24,734 INFO L226 Difference]: Without dead ends: 125 [2023-11-26 11:52:24,735 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 11:52:24,736 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 572 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 11:52:24,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 572 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:24,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-26 11:52:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2023-11-26 11:52:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.6260162601626016) internal successors, (200), 123 states have internal predecessors, (200), 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 11:52:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 200 transitions. [2023-11-26 11:52:24,748 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 200 transitions. Word has length 35 [2023-11-26 11:52:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:24,749 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 200 transitions. [2023-11-26 11:52:24,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 11:52:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2023-11-26 11:52:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-26 11:52:24,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:24,752 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] [2023-11-26 11:52:24,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:24,752 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:24,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:24,753 INFO L85 PathProgramCache]: Analyzing trace with hash -876456137, now seen corresponding path program 1 times [2023-11-26 11:52:24,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:24,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121264944] [2023-11-26 11:52:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:25,768 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 11:52:25,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:25,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121264944] [2023-11-26 11:52:25,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121264944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:25,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:25,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:52:25,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110202426] [2023-11-26 11:52:25,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:25,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 11:52:25,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:25,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:52:25,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:52:25,774 INFO L87 Difference]: Start difference. First operand 124 states and 200 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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 11:52:27,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:27,101 INFO L93 Difference]: Finished difference Result 792 states and 1274 transitions. [2023-11-26 11:52:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-26 11:52:27,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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 36 [2023-11-26 11:52:27,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:27,107 INFO L225 Difference]: With dead ends: 792 [2023-11-26 11:52:27,107 INFO L226 Difference]: Without dead ends: 678 [2023-11-26 11:52:27,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2023-11-26 11:52:27,111 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2579 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:27,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 2272 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:52:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-11-26 11:52:27,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 146. [2023-11-26 11:52:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.6206896551724137) internal successors, (235), 145 states have internal predecessors, (235), 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 11:52:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 235 transitions. [2023-11-26 11:52:27,132 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 235 transitions. Word has length 36 [2023-11-26 11:52:27,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:27,132 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 235 transitions. [2023-11-26 11:52:27,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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 11:52:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 235 transitions. [2023-11-26 11:52:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-26 11:52:27,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:27,135 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] [2023-11-26 11:52:27,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:52:27,135 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:27,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:27,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1511042827, now seen corresponding path program 1 times [2023-11-26 11:52:27,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:27,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482709318] [2023-11-26 11:52:27,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:27,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:27,588 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 11:52:27,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:27,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482709318] [2023-11-26 11:52:27,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482709318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:27,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:27,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:52:27,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006401717] [2023-11-26 11:52:27,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:27,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:52:27,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:27,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:52:27,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:27,592 INFO L87 Difference]: Start difference. First operand 146 states and 235 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 11:52:27,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:27,872 INFO L93 Difference]: Finished difference Result 563 states and 903 transitions. [2023-11-26 11:52:27,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:52:27,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 37 [2023-11-26 11:52:27,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:27,877 INFO L225 Difference]: With dead ends: 563 [2023-11-26 11:52:27,877 INFO L226 Difference]: Without dead ends: 427 [2023-11-26 11:52:27,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:52:27,879 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 542 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:27,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1357 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:27,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-11-26 11:52:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 155. [2023-11-26 11:52:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.603896103896104) internal successors, (247), 154 states have internal predecessors, (247), 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 11:52:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 247 transitions. [2023-11-26 11:52:27,893 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 247 transitions. Word has length 37 [2023-11-26 11:52:27,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:27,893 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 247 transitions. [2023-11-26 11:52:27,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 11:52:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 247 transitions. [2023-11-26 11:52:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-26 11:52:27,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:27,896 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] [2023-11-26 11:52:27,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:52:27,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:27,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:27,897 INFO L85 PathProgramCache]: Analyzing trace with hash -978624551, now seen corresponding path program 1 times [2023-11-26 11:52:27,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:27,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538324227] [2023-11-26 11:52:27,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:27,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:28,300 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 11:52:28,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:28,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538324227] [2023-11-26 11:52:28,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538324227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:28,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:28,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:28,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808768143] [2023-11-26 11:52:28,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:28,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:28,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:28,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:28,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:28,304 INFO L87 Difference]: Start difference. First operand 155 states and 247 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 11:52:28,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:28,317 INFO L93 Difference]: Finished difference Result 280 states and 447 transitions. [2023-11-26 11:52:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:28,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2023-11-26 11:52:28,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:28,319 INFO L225 Difference]: With dead ends: 280 [2023-11-26 11:52:28,319 INFO L226 Difference]: Without dead ends: 135 [2023-11-26 11:52:28,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:28,320 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 178 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:28,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 217 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-26 11:52:28,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2023-11-26 11:52:28,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.6076923076923078) internal successors, (209), 130 states have internal predecessors, (209), 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 11:52:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 209 transitions. [2023-11-26 11:52:28,327 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 209 transitions. Word has length 37 [2023-11-26 11:52:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:28,328 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 209 transitions. [2023-11-26 11:52:28,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 11:52:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 209 transitions. [2023-11-26 11:52:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 11:52:28,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:28,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:28,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:52:28,331 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:28,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:28,331 INFO L85 PathProgramCache]: Analyzing trace with hash -469597715, now seen corresponding path program 1 times [2023-11-26 11:52:28,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:28,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346976897] [2023-11-26 11:52:28,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:29,505 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 11:52:29,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:29,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346976897] [2023-11-26 11:52:29,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346976897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:29,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:29,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-26 11:52:29,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819573778] [2023-11-26 11:52:29,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:29,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:52:29,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:52:29,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:52:29,508 INFO L87 Difference]: Start difference. First operand 131 states and 209 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:32,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:32,185 INFO L93 Difference]: Finished difference Result 799 states and 1266 transitions. [2023-11-26 11:52:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-26 11:52:32,186 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-26 11:52:32,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:32,190 INFO L225 Difference]: With dead ends: 799 [2023-11-26 11:52:32,190 INFO L226 Difference]: Without dead ends: 678 [2023-11-26 11:52:32,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=512, Invalid=1558, Unknown=0, NotChecked=0, Total=2070 [2023-11-26 11:52:32,192 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 3217 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3217 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:32,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3217 Valid, 2612 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:52:32,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-11-26 11:52:32,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 154. [2023-11-26 11:52:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.5947712418300655) internal successors, (244), 153 states have internal predecessors, (244), 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 11:52:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 244 transitions. [2023-11-26 11:52:32,203 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 244 transitions. Word has length 38 [2023-11-26 11:52:32,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:32,203 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 244 transitions. [2023-11-26 11:52:32,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 244 transitions. [2023-11-26 11:52:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 11:52:32,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:32,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:32,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:52:32,206 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:32,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:32,207 INFO L85 PathProgramCache]: Analyzing trace with hash -211432277, now seen corresponding path program 1 times [2023-11-26 11:52:32,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:32,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309286651] [2023-11-26 11:52:32,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:32,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:33,523 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 11:52:33,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:33,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309286651] [2023-11-26 11:52:33,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309286651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:33,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:33,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 11:52:33,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23276655] [2023-11-26 11:52:33,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:33,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 11:52:33,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:33,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 11:52:33,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:52:33,527 INFO L87 Difference]: Start difference. First operand 154 states and 244 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:34,406 INFO L93 Difference]: Finished difference Result 691 states and 1095 transitions. [2023-11-26 11:52:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-26 11:52:34,407 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-26 11:52:34,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:34,412 INFO L225 Difference]: With dead ends: 691 [2023-11-26 11:52:34,412 INFO L226 Difference]: Without dead ends: 547 [2023-11-26 11:52:34,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2023-11-26 11:52:34,416 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1821 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:34,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 2173 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:52:34,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-26 11:52:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 167. [2023-11-26 11:52:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.5843373493975903) internal successors, (263), 166 states have internal predecessors, (263), 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 11:52:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 263 transitions. [2023-11-26 11:52:34,428 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 263 transitions. Word has length 38 [2023-11-26 11:52:34,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:34,429 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 263 transitions. [2023-11-26 11:52:34,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 263 transitions. [2023-11-26 11:52:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 11:52:34,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:34,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:34,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:52:34,436 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:34,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1711795757, now seen corresponding path program 1 times [2023-11-26 11:52:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662175163] [2023-11-26 11:52:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:34,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:35,256 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 11:52:35,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:35,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662175163] [2023-11-26 11:52:35,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662175163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:35,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:35,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:35,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385587295] [2023-11-26 11:52:35,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:35,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:52:35,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:35,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:52:35,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:35,259 INFO L87 Difference]: Start difference. First operand 167 states and 263 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:35,361 INFO L93 Difference]: Finished difference Result 438 states and 691 transitions. [2023-11-26 11:52:35,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:35,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-26 11:52:35,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:35,364 INFO L225 Difference]: With dead ends: 438 [2023-11-26 11:52:35,365 INFO L226 Difference]: Without dead ends: 292 [2023-11-26 11:52:35,365 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 11:52:35,367 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 520 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:35,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 579 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:35,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-26 11:52:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 170. [2023-11-26 11:52:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.5739644970414202) internal successors, (266), 169 states have internal predecessors, (266), 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 11:52:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 266 transitions. [2023-11-26 11:52:35,379 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 266 transitions. Word has length 38 [2023-11-26 11:52:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:35,379 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 266 transitions. [2023-11-26 11:52:35,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 266 transitions. [2023-11-26 11:52:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-26 11:52:35,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:35,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:35,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:52:35,383 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:35,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:35,383 INFO L85 PathProgramCache]: Analyzing trace with hash 265915689, now seen corresponding path program 1 times [2023-11-26 11:52:35,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:35,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084023315] [2023-11-26 11:52:35,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:35,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:36,288 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 11:52:36,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:36,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084023315] [2023-11-26 11:52:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084023315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:36,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:36,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:52:36,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192114840] [2023-11-26 11:52:36,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:36,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:52:36,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:36,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:52:36,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:52:36,290 INFO L87 Difference]: Start difference. First operand 170 states and 266 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:37,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:37,388 INFO L93 Difference]: Finished difference Result 976 states and 1531 transitions. [2023-11-26 11:52:37,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-26 11:52:37,389 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-26 11:52:37,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:37,394 INFO L225 Difference]: With dead ends: 976 [2023-11-26 11:52:37,394 INFO L226 Difference]: Without dead ends: 829 [2023-11-26 11:52:37,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=1125, Unknown=0, NotChecked=0, Total=1482 [2023-11-26 11:52:37,397 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 2897 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:37,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 3013 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:52:37,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2023-11-26 11:52:37,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 177. [2023-11-26 11:52:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 1.5681818181818181) internal successors, (276), 176 states have internal predecessors, (276), 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 11:52:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 276 transitions. [2023-11-26 11:52:37,445 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 276 transitions. Word has length 39 [2023-11-26 11:52:37,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:37,446 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 276 transitions. [2023-11-26 11:52:37,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-26 11:52:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-26 11:52:37,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:37,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:37,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:52:37,447 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:37,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:37,448 INFO L85 PathProgramCache]: Analyzing trace with hash 524081127, now seen corresponding path program 1 times [2023-11-26 11:52:37,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:37,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452874420] [2023-11-26 11:52:37,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:37,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:38,653 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 11:52:38,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:38,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452874420] [2023-11-26 11:52:38,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452874420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:38,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:38,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 11:52:38,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436638412] [2023-11-26 11:52:38,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:38,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 11:52:38,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:38,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 11:52:38,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:52:38,656 INFO L87 Difference]: Start difference. First operand 177 states and 276 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:39,426 INFO L93 Difference]: Finished difference Result 613 states and 960 transitions. [2023-11-26 11:52:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 11:52:39,427 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-26 11:52:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:39,430 INFO L225 Difference]: With dead ends: 613 [2023-11-26 11:52:39,430 INFO L226 Difference]: Without dead ends: 466 [2023-11-26 11:52:39,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-11-26 11:52:39,432 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 1291 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:39,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 2205 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:52:39,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-11-26 11:52:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 175. [2023-11-26 11:52:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.5689655172413792) internal successors, (273), 174 states have internal predecessors, (273), 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 11:52:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 273 transitions. [2023-11-26 11:52:39,446 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 273 transitions. Word has length 39 [2023-11-26 11:52:39,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:39,446 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 273 transitions. [2023-11-26 11:52:39,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2023-11-26 11:52:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-26 11:52:39,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:39,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:39,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:52:39,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:39,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash -243557401, now seen corresponding path program 1 times [2023-11-26 11:52:39,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:39,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403809966] [2023-11-26 11:52:39,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:39,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:40,248 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 11:52:40,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:40,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403809966] [2023-11-26 11:52:40,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403809966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:40,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:40,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184467269] [2023-11-26 11:52:40,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:40,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:52:40,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:40,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:52:40,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:40,251 INFO L87 Difference]: Start difference. First operand 175 states and 273 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:40,342 INFO L93 Difference]: Finished difference Result 594 states and 933 transitions. [2023-11-26 11:52:40,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:40,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-26 11:52:40,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:40,345 INFO L225 Difference]: With dead ends: 594 [2023-11-26 11:52:40,346 INFO L226 Difference]: Without dead ends: 447 [2023-11-26 11:52:40,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:40,347 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 884 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:40,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 560 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:40,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-26 11:52:40,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 175. [2023-11-26 11:52:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.5632183908045978) internal successors, (272), 174 states have internal predecessors, (272), 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 11:52:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 272 transitions. [2023-11-26 11:52:40,357 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 272 transitions. Word has length 39 [2023-11-26 11:52:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:40,357 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 272 transitions. [2023-11-26 11:52:40,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 272 transitions. [2023-11-26 11:52:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 11:52:40,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:40,358 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 11:52:40,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:52:40,359 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:40,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash -364856945, now seen corresponding path program 1 times [2023-11-26 11:52:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:40,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416395400] [2023-11-26 11:52:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:40,976 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 11:52:40,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:40,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416395400] [2023-11-26 11:52:40,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416395400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:40,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:40,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:52:40,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520936595] [2023-11-26 11:52:40,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:40,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:52:40,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:40,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:52:40,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:40,979 INFO L87 Difference]: Start difference. First operand 175 states and 272 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 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 11:52:41,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:41,155 INFO L93 Difference]: Finished difference Result 448 states and 700 transitions. [2023-11-26 11:52:41,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:52:41,156 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 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 11:52:41,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:41,158 INFO L225 Difference]: With dead ends: 448 [2023-11-26 11:52:41,159 INFO L226 Difference]: Without dead ends: 298 [2023-11-26 11:52:41,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:52:41,160 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 892 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:41,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 944 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-11-26 11:52:41,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 174. [2023-11-26 11:52:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.5549132947976878) internal successors, (269), 173 states have internal predecessors, (269), 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 11:52:41,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 269 transitions. [2023-11-26 11:52:41,171 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 269 transitions. Word has length 40 [2023-11-26 11:52:41,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:41,172 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 269 transitions. [2023-11-26 11:52:41,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 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 11:52:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 269 transitions. [2023-11-26 11:52:41,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 11:52:41,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:41,173 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 11:52:41,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:52:41,174 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:41,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:41,174 INFO L85 PathProgramCache]: Analyzing trace with hash -200320557, now seen corresponding path program 1 times [2023-11-26 11:52:41,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:41,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498977960] [2023-11-26 11:52:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:41,793 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 11:52:41,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:41,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498977960] [2023-11-26 11:52:41,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498977960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:41,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:41,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:41,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976999472] [2023-11-26 11:52:41,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:41,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:52:41,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:41,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:52:41,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:41,797 INFO L87 Difference]: Start difference. First operand 174 states and 269 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:41,901 INFO L93 Difference]: Finished difference Result 442 states and 691 transitions. [2023-11-26 11:52:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:41,902 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 11:52:41,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:41,904 INFO L225 Difference]: With dead ends: 442 [2023-11-26 11:52:41,904 INFO L226 Difference]: Without dead ends: 295 [2023-11-26 11:52:41,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:41,905 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 711 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:41,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 571 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-26 11:52:41,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 176. [2023-11-26 11:52:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.5485714285714285) internal successors, (271), 175 states have internal predecessors, (271), 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 11:52:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 271 transitions. [2023-11-26 11:52:41,915 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 271 transitions. Word has length 40 [2023-11-26 11:52:41,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:41,915 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 271 transitions. [2023-11-26 11:52:41,915 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 11:52:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 271 transitions. [2023-11-26 11:52:41,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 11:52:41,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:41,916 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 11:52:41,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:52:41,917 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:41,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:41,918 INFO L85 PathProgramCache]: Analyzing trace with hash -812090043, now seen corresponding path program 1 times [2023-11-26 11:52:41,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:41,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346329506] [2023-11-26 11:52:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:41,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:42,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:42,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346329506] [2023-11-26 11:52:42,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346329506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:42,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:42,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:52:42,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755832145] [2023-11-26 11:52:42,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:42,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:52:42,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:42,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:52:42,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:52:42,536 INFO L87 Difference]: Start difference. First operand 176 states and 271 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 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 11:52:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:42,985 INFO L93 Difference]: Finished difference Result 474 states and 738 transitions. [2023-11-26 11:52:42,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:52:42,986 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 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 11:52:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:42,988 INFO L225 Difference]: With dead ends: 474 [2023-11-26 11:52:42,988 INFO L226 Difference]: Without dead ends: 327 [2023-11-26 11:52:42,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-26 11:52:42,989 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1202 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:42,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 865 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:42,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-26 11:52:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 166. [2023-11-26 11:52:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.5454545454545454) internal successors, (255), 165 states have internal predecessors, (255), 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 11:52:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 255 transitions. [2023-11-26 11:52:43,006 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 255 transitions. Word has length 40 [2023-11-26 11:52:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:43,006 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 255 transitions. [2023-11-26 11:52:43,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 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 11:52:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2023-11-26 11:52:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-26 11:52:43,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:43,007 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 11:52:43,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:52:43,008 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:43,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:43,008 INFO L85 PathProgramCache]: Analyzing trace with hash 758558925, now seen corresponding path program 1 times [2023-11-26 11:52:43,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:43,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676584710] [2023-11-26 11:52:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:43,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:43,389 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 11:52:43,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:43,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676584710] [2023-11-26 11:52:43,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676584710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:43,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:43,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:52:43,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145538765] [2023-11-26 11:52:43,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:43,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:52:43,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:43,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:52:43,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:43,392 INFO L87 Difference]: Start difference. First operand 166 states and 255 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 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 11:52:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:43,601 INFO L93 Difference]: Finished difference Result 687 states and 1076 transitions. [2023-11-26 11:52:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:52:43,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 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 11:52:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:43,605 INFO L225 Difference]: With dead ends: 687 [2023-11-26 11:52:43,605 INFO L226 Difference]: Without dead ends: 550 [2023-11-26 11:52:43,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:52:43,608 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1250 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:43,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 1296 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-11-26 11:52:43,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 176. [2023-11-26 11:52:43,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.5371428571428571) internal successors, (269), 175 states have internal predecessors, (269), 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 11:52:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 269 transitions. [2023-11-26 11:52:43,621 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 269 transitions. Word has length 41 [2023-11-26 11:52:43,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:43,621 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 269 transitions. [2023-11-26 11:52:43,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 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 11:52:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 269 transitions. [2023-11-26 11:52:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-26 11:52:43,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:43,622 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 11:52:43,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:52:43,623 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:43,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:43,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1016724363, now seen corresponding path program 1 times [2023-11-26 11:52:43,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:43,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595655789] [2023-11-26 11:52:43,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:43,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:43,930 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:43,932 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:52:43,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:52:43,937 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:43,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:43,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 11:52:43,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:52:43,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-26 11:52:44,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-26 11:52:44,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-26 11:52:44,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 11:52:44,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-26 11:52:44,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-26 11:52:44,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:52:44,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 11:52:44,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 11:52:44,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-26 11:52:44,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 11:52:44,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 11:52:44,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-26 11:52:44,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-26 11:52:44,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-26 11:52:44,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-26 11:52:44,042 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 11:52:44,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:44 BoogieIcfgContainer [2023-11-26 11:52:44,075 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:44,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:44,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:44,076 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:44,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:23" (3/4) ... [2023-11-26 11:52:44,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:44,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:44,080 INFO L158 Benchmark]: Toolchain (without parser) took 23080.87ms. Allocated memory was 197.1MB in the beginning and 436.2MB in the end (delta: 239.1MB). Free memory was 149.9MB in the beginning and 190.9MB in the end (delta: -41.0MB). Peak memory consumption was 198.8MB. Max. memory is 16.1GB. [2023-11-26 11:52:44,080 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 197.1MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:44,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.39ms. Allocated memory is still 197.1MB. Free memory was 149.9MB in the beginning and 130.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:44,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.63ms. Allocated memory is still 197.1MB. Free memory was 130.9MB in the beginning and 119.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:44,083 INFO L158 Benchmark]: Boogie Preprocessor took 251.65ms. Allocated memory is still 197.1MB. Free memory was 119.4MB in the beginning and 159.2MB in the end (delta: -39.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-26 11:52:44,083 INFO L158 Benchmark]: RCFGBuilder took 1172.30ms. Allocated memory is still 197.1MB. Free memory was 159.2MB in the beginning and 94.2MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-26 11:52:44,083 INFO L158 Benchmark]: TraceAbstraction took 21023.09ms. Allocated memory was 197.1MB in the beginning and 436.2MB in the end (delta: 239.1MB). Free memory was 93.5MB in the beginning and 191.9MB in the end (delta: -98.4MB). Peak memory consumption was 143.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:44,084 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 436.2MB. Free memory was 191.9MB in the beginning and 190.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:44,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 197.1MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.39ms. Allocated memory is still 197.1MB. Free memory was 149.9MB in the beginning and 130.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.63ms. Allocated memory is still 197.1MB. Free memory was 130.9MB in the beginning and 119.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.65ms. Allocated memory is still 197.1MB. Free memory was 119.4MB in the beginning and 159.2MB in the end (delta: -39.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1172.30ms. Allocated memory is still 197.1MB. Free memory was 159.2MB in the beginning and 94.2MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21023.09ms. Allocated memory was 197.1MB in the beginning and 436.2MB in the end (delta: 239.1MB). Free memory was 93.5MB in the beginning and 191.9MB in the end (delta: -98.4MB). Peak memory consumption was 143.1MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 436.2MB. Free memory was 191.9MB in the beginning and 190.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation 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 bitwiseOr at line 153, overapproximation of bitwiseAnd at line 161. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 31); [L36] const SORT_47 msb_SORT_47 = (SORT_47)1 << (31 - 1); [L38] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 30); [L39] const SORT_57 msb_SORT_57 = (SORT_57)1 << (30 - 1); [L41] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 29); [L42] const SORT_59 msb_SORT_59 = (SORT_59)1 << (29 - 1); [L44] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 2); [L45] const SORT_65 msb_SORT_65 = (SORT_65)1 << (2 - 1); [L47] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 28); [L48] const SORT_71 msb_SORT_71 = (SORT_71)1 << (28 - 1); [L50] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 26); [L51] const SORT_73 msb_SORT_73 = (SORT_73)1 << (26 - 1); [L53] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 4); [L54] const SORT_79 msb_SORT_79 = (SORT_79)1 << (4 - 1); [L56] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 24); [L57] const SORT_85 msb_SORT_85 = (SORT_85)1 << (24 - 1); [L59] const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 20); [L60] const SORT_87 msb_SORT_87 = (SORT_87)1 << (20 - 1); [L62] const SORT_93 mask_SORT_93 = (SORT_93)-1 >> (sizeof(SORT_93) * 8 - 8); [L63] const SORT_93 msb_SORT_93 = (SORT_93)1 << (8 - 1); [L65] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 16); [L66] const SORT_99 msb_SORT_99 = (SORT_99)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_3 var_19 = 0; [L70] const SORT_3 var_40 = 1; [L72] SORT_1 input_2; [L73] SORT_3 input_4; [L74] SORT_5 input_6; [L75] SORT_3 input_7; [L77] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, var_19=0, var_40=1, var_8=0] [L77] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L78] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_9=0, var_19=0, var_40=1, var_8=0] [L78] SORT_5 state_13 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_9=0, var_19=0, var_40=1, var_8=0] [L79] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_5 init_10_arg_1 = var_8; [L82] state_9 = init_10_arg_1 [L83] SORT_5 init_14_arg_1 = var_8; [L84] state_13 = init_14_arg_1 [L85] SORT_3 init_21_arg_1 = var_19; [L86] state_20 = init_21_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L89] input_2 = __VERIFIER_nondet_uchar() [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uint() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L93] input_7 = input_7 & mask_SORT_3 [L96] SORT_5 var_11_arg_0 = state_9; [L97] SORT_5 var_11_arg_1 = var_8; [L98] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L99] SORT_3 var_12_arg_0 = var_11; [L100] SORT_3 var_12 = ~var_12_arg_0; [L101] SORT_5 var_15_arg_0 = state_13; [L102] SORT_5 var_15_arg_1 = var_8; [L103] SORT_3 var_15 = var_15_arg_0 == var_15_arg_1; [L104] SORT_3 var_16_arg_0 = var_15; [L105] SORT_3 var_16 = ~var_16_arg_0; [L106] SORT_3 var_17_arg_0 = var_12; [L107] SORT_3 var_17_arg_1 = var_16; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L109] SORT_3 var_18_arg_0 = var_17; [L110] SORT_3 var_18 = ~var_18_arg_0; [L111] SORT_3 var_22_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] EXPR var_22_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L113] SORT_5 var_22 = var_22_arg_0; [L114] SORT_5 var_23_arg_0 = var_22; [L115] SORT_5 var_23_arg_1 = var_8; [L116] SORT_3 var_23 = var_23_arg_0 == var_23_arg_1; [L117] SORT_5 var_24_arg_0 = state_9; [L118] SORT_5 var_24_arg_1 = var_8; [L119] SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; [L120] SORT_3 var_25_arg_0 = var_24; [L121] SORT_3 var_25 = ~var_25_arg_0; [L122] SORT_3 var_26_arg_0 = var_23; [L123] SORT_3 var_26_arg_1 = var_25; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L125] SORT_3 var_27_arg_0 = var_18; [L126] SORT_3 var_27_arg_1 = var_26; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] EXPR var_27_arg_0 | var_27_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L128] SORT_5 var_28_arg_0 = state_9; [L129] SORT_5 var_28_arg_1 = var_8; [L130] SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; [L131] SORT_5 var_29_arg_0 = state_13; [L132] SORT_5 var_29_arg_1 = var_8; [L133] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L134] SORT_3 var_30_arg_0 = var_28; [L135] SORT_3 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L137] SORT_3 var_31_arg_0 = var_30; [L138] SORT_3 var_31 = ~var_31_arg_0; [L139] SORT_3 var_32_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] EXPR var_32_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] var_32_arg_0 = var_32_arg_0 & mask_SORT_3 [L141] SORT_5 var_32 = var_32_arg_0; [L142] SORT_5 var_33_arg_0 = var_32; [L143] SORT_5 var_33_arg_1 = var_8; [L144] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L145] SORT_5 var_34_arg_0 = state_9; [L146] SORT_5 var_34_arg_1 = var_8; [L147] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L148] SORT_3 var_35_arg_0 = var_33; [L149] SORT_3 var_35_arg_1 = var_34; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] EXPR var_35_arg_0 | var_35_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L151] SORT_3 var_36_arg_0 = var_31; [L152] SORT_3 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L154] SORT_3 var_37_arg_0 = var_27; [L155] SORT_3 var_37_arg_1 = var_36; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] EXPR var_37_arg_0 & var_37_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] SORT_3 var_37 = var_37_arg_0 & var_37_arg_1; [L157] SORT_3 var_41_arg_0 = var_37; [L158] SORT_3 var_41 = ~var_41_arg_0; [L159] SORT_3 var_42_arg_0 = var_40; [L160] SORT_3 var_42_arg_1 = var_41; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] EXPR var_42_arg_0 & var_42_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L162] EXPR var_42 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42=1, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L162] var_42 = var_42 & mask_SORT_3 [L163] SORT_3 bad_43_arg_0 = var_42; [L164] CALL __VERIFIER_assert(!(bad_43_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, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17986 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17986 mSDsluCounter, 19810 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16161 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1690 IncrementalHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 3649 mSDtfsCounter, 1690 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1412 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=9, InterpolantAutomatonStates: 201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 3828 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 2515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 11:52:44,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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_4ab19247-c573-4325-940a-0d5284f6ccb0/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 c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:46,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:46,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-26 11:52:46,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:46,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:46,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:46,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:46,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:46,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:46,908 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:46,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:46,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:46,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:46,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:46,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:46,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:46,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:46,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:46,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:46,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:46,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:46,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:52:46,918 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:52:46,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:52:46,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:46,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:46,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:46,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:46,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:46,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:46,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:46,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:46,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:46,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:46,925 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:52:46,926 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:52:46,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:46,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:46,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:46,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:46,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:46,928 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:52:46,929 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_4ab19247-c573-4325-940a-0d5284f6ccb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 [2023-11-26 11:52:47,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:47,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:47,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:47,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:47,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:47,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-26 11:52:50,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:50,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:50,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-26 11:52:50,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data/9e1b1c6f8/6969da84c05347b891937da69ba9304a/FLAG9422d71cb [2023-11-26 11:52:50,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/data/9e1b1c6f8/6969da84c05347b891937da69ba9304a [2023-11-26 11:52:50,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:50,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:50,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:50,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:50,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:50,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3815e4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50, skipping insertion in model container [2023-11-26 11:52:50,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:51,026 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:51,212 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_4ab19247-c573-4325-940a-0d5284f6ccb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-26 11:52:51,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:51,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:51,349 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_4ab19247-c573-4325-940a-0d5284f6ccb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-26 11:52:51,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:51,439 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:51,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51 WrapperNode [2023-11-26 11:52:51,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:51,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:51,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:51,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:51,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,562 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 288 [2023-11-26 11:52:51,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:51,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:51,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:51,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:51,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,602 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 11:52:51,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:51,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:51,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:51,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:51,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:51,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:51,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:52:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:51,877 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:51,880 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:52,313 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:52,380 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:52,382 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:52:52,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:52 BoogieIcfgContainer [2023-11-26 11:52:52,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:52,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:52,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:52,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:52,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:50" (1/3) ... [2023-11-26 11:52:52,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbd91f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:52, skipping insertion in model container [2023-11-26 11:52:52,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (2/3) ... [2023-11-26 11:52:52,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbd91f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:52, skipping insertion in model container [2023-11-26 11:52:52,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:52" (3/3) ... [2023-11-26 11:52:52,394 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2023-11-26 11:52:52,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:52,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:52,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:52,478 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;@7c95ab62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:52,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:52,509 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 11:52:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 11:52:52,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:52,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 11:52:52,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:52,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-26 11:52:52,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:52,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073117829] [2023-11-26 11:52:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,540 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 11:52:52,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:52,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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 11:52:52,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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 11:52:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:52,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 11:52:52,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:53,173 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 11:52:53,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:53,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:52:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073117829] [2023-11-26 11:52:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073117829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:53,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:53,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171139851] [2023-11-26 11:52:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:53,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:53,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:52:53,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:53,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:53,210 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 11:52:53,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:53,302 INFO L93 Difference]: Finished difference Result 14 states and 22 transitions. [2023-11-26 11:52:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:52:53,304 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 11:52:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:53,310 INFO L225 Difference]: With dead ends: 14 [2023-11-26 11:52:53,310 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:52:53,313 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 11:52:53,317 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:53,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:53,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:52:53,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:52:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 11:52:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:52:53,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2023-11-26 11:52:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:53,342 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:52:53,342 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 11:52:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:52:53,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:52:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:52:53,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:53,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/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 11:52:53,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:52:53,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:52:53,558 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-26 11:52:53,560 INFO L902 garLoopResultBuilder]: At program point L87-2(lines 87 302) the Hoare annotation is: true [2023-11-26 11:52:53,560 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-26 11:52:53,561 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 302) no Hoare annotation was computed. [2023-11-26 11:52:53,562 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-26 11:52:53,562 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:52:53,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-26 11:52:53,566 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-26 11:52:53,571 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:53,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:53 BoogieIcfgContainer [2023-11-26 11:52:53,585 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:53,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:53,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:53,586 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:53,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:52" (3/4) ... [2023-11-26 11:52:53,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:52:53,610 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-26 11:52:53,610 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:52:53,611 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:52:53,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:52:53,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:52:53,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:52:53,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:53,735 INFO L158 Benchmark]: Toolchain (without parser) took 2776.08ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 73.7MB in the beginning and 49.0MB in the end (delta: 24.7MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,735 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:53,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.11ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 55.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.21ms. Allocated memory is still 98.6MB. Free memory was 55.0MB in the beginning and 75.0MB in the end (delta: -20.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,737 INFO L158 Benchmark]: Boogie Preprocessor took 65.91ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 71.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,737 INFO L158 Benchmark]: RCFGBuilder took 752.61ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 40.9MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,737 INFO L158 Benchmark]: TraceAbstraction took 1199.51ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 39.9MB in the beginning and 56.2MB in the end (delta: -16.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,738 INFO L158 Benchmark]: Witness Printer took 149.21ms. Allocated memory is still 119.5MB. Free memory was 56.2MB in the beginning and 49.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.11ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 55.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.21ms. Allocated memory is still 98.6MB. Free memory was 55.0MB in the beginning and 75.0MB in the end (delta: -20.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.91ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 71.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.61ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 40.9MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.51ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 39.9MB in the beginning and 56.2MB in the end (delta: -16.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 149.21ms. Allocated memory is still 119.5MB. Free memory was 56.2MB in the beginning and 49.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 36 NumberOfNonLiveVariables, 119 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 11:52:53,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab19247-c573-4325-940a-0d5284f6ccb0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE