./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f849895f3b33bb52cfb29e0d9e7838b143b412485c8add4ec69cb2104446783f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:50,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:50,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:06:50,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:50,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:50,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:50,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:50,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:50,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:50,876 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:50,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:50,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:50,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:50,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:50,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:50,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:50,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:50,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:50,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:50,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:50,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:50,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:50,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:50,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:50,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:50,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:50,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:50,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:50,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:50,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:50,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:50,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:50,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:50,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:50,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:50,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:50,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:50,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:50,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:50,899 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_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f849895f3b33bb52cfb29e0d9e7838b143b412485c8add4ec69cb2104446783f [2023-11-21 22:06:51,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:51,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:51,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:51,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:51,209 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:51,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2023-11-21 22:06:54,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:54,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:54,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2023-11-21 22:06:54,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data/77e2ec6c0/aa2718dc84a64dc0ac38d5086b691ec6/FLAGbde7c9a06 [2023-11-21 22:06:54,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data/77e2ec6c0/aa2718dc84a64dc0ac38d5086b691ec6 [2023-11-21 22:06:54,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:54,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:54,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:54,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:54,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:54,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:54" (1/1) ... [2023-11-21 22:06:54,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74342972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:54, skipping insertion in model container [2023-11-21 22:06:54,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:54" (1/1) ... [2023-11-21 22:06:54,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:54,839 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_99d52e37-c1ee-4915-90f8-6e7bf51266e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1245,1258] [2023-11-21 22:06:54,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:54,964 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:54,975 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_99d52e37-c1ee-4915-90f8-6e7bf51266e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1245,1258] [2023-11-21 22:06:55,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:55,063 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:55,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55 WrapperNode [2023-11-21 22:06:55,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:55,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:55,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:55,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:55,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,180 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 516 [2023-11-21 22:06:55,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:55,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:55,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:55,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:55,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,205 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,242 INFO L187 HeapSplitter]: Split 10 memory accesses to 2 slices as follows [2, 8] [2023-11-21 22:06:55,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:55,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:55,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:55,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:55,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (1/1) ... [2023-11-21 22:06:55,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:55,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:55,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:55,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:06:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:06:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:55,560 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:55,561 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:56,164 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:56,720 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:56,721 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:06:56,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:56 BoogieIcfgContainer [2023-11-21 22:06:56,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:56,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:56,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:56,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:56,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:54" (1/3) ... [2023-11-21 22:06:56,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fdd65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:56, skipping insertion in model container [2023-11-21 22:06:56,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:55" (2/3) ... [2023-11-21 22:06:56,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fdd65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:56, skipping insertion in model container [2023-11-21 22:06:56,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:56" (3/3) ... [2023-11-21 22:06:56,733 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b08.c [2023-11-21 22:06:56,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:56,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:06:56,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:56,815 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;@7f2f122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:56,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:06:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:06:56,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:56,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:06:56,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:56,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:56,831 INFO L85 PathProgramCache]: Analyzing trace with hash 8488157, now seen corresponding path program 1 times [2023-11-21 22:06:56,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:56,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333193804] [2023-11-21 22:06:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:57,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:58,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:58,519 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:06:58,521 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:06:58,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:06:58,527 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:06:58,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:06:58,591 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 22:06:58,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:06:58 BoogieIcfgContainer [2023-11-21 22:06:58,624 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:06:58,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:06:58,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:06:58,627 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:06:58,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:56" (3/4) ... [2023-11-21 22:06:58,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:06:58,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:06:58,637 INFO L158 Benchmark]: Toolchain (without parser) took 4059.33ms. Allocated memory was 148.9MB in the beginning and 224.4MB in the end (delta: 75.5MB). Free memory was 118.5MB in the beginning and 90.1MB in the end (delta: 28.4MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. [2023-11-21 22:06:58,638 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:58,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.90ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 100.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:06:58,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.15ms. Allocated memory is still 148.9MB. Free memory was 100.5MB in the beginning and 93.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:06:58,646 INFO L158 Benchmark]: Boogie Preprocessor took 147.17ms. Allocated memory is still 148.9MB. Free memory was 93.0MB in the beginning and 88.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:06:58,648 INFO L158 Benchmark]: RCFGBuilder took 1393.43ms. Allocated memory was 148.9MB in the beginning and 224.4MB in the end (delta: 75.5MB). Free memory was 87.7MB in the beginning and 161.4MB in the end (delta: -73.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-11-21 22:06:58,648 INFO L158 Benchmark]: TraceAbstraction took 1898.86ms. Allocated memory is still 224.4MB. Free memory was 160.3MB in the beginning and 91.1MB in the end (delta: 69.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:58,650 INFO L158 Benchmark]: Witness Printer took 9.33ms. Allocated memory is still 224.4MB. Free memory was 91.1MB in the beginning and 90.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:58,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.90ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 100.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.15ms. Allocated memory is still 148.9MB. Free memory was 100.5MB in the beginning and 93.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.17ms. Allocated memory is still 148.9MB. Free memory was 93.0MB in the beginning and 88.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1393.43ms. Allocated memory was 148.9MB in the beginning and 224.4MB in the end (delta: 75.5MB). Free memory was 87.7MB in the beginning and 161.4MB in the end (delta: -73.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1898.86ms. Allocated memory is still 224.4MB. Free memory was 160.3MB in the beginning and 91.1MB in the end (delta: 69.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Witness Printer took 9.33ms. Allocated memory is still 224.4MB. Free memory was 91.1MB in the beginning and 90.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 104. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 20); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (20 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 3); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (3 - 1); [L38] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 32); [L39] const SORT_13 msb_SORT_13 = (SORT_13)1 << (32 - 1); [L41] const SORT_90 mask_SORT_90 = (SORT_90)-1 >> (sizeof(SORT_90) * 8 - 4); [L42] const SORT_90 msb_SORT_90 = (SORT_90)1 << (4 - 1); [L44] const SORT_6 var_7 = 196596; [L45] const SORT_6 var_8 = 829275; [L46] const SORT_9 var_10 = 0; [L47] const SORT_13 var_15 = 6; [L48] const SORT_13 var_20 = 5; [L49] const SORT_13 var_25 = 4; [L50] const SORT_13 var_30 = 3; [L51] const SORT_13 var_35 = 2; [L52] const SORT_13 var_40 = 1; [L53] const SORT_13 var_45 = 0; [L54] const SORT_6 var_48 = 1047464; [L55] const SORT_6 var_60 = 1048430; [L56] const SORT_6 var_70 = 1046202; [L57] const SORT_6 var_78 = 692223; [L58] const SORT_6 var_84 = 236898; [L59] const SORT_6 var_88 = 522618; [L60] const SORT_1 var_96 = 1; [L61] const SORT_1 var_107 = 0; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_1 input_5; [L66] SORT_6 input_18; [L67] SORT_6 input_23; [L68] SORT_6 input_28; [L69] SORT_6 input_33; [L70] SORT_6 input_38; [L71] SORT_6 input_43; [L72] SORT_6 input_50; [L73] SORT_6 input_52; [L74] SORT_6 input_54; [L75] SORT_6 input_56; [L76] SORT_6 input_58; [L77] SORT_6 input_62; [L78] SORT_6 input_64; [L79] SORT_6 input_66; [L80] SORT_6 input_68; [L81] SORT_6 input_72; [L82] SORT_6 input_74; [L83] SORT_6 input_76; [L84] SORT_6 input_80; [L85] SORT_6 input_82; [L86] SORT_6 input_86; [L87] SORT_3 input_100; [L88] SORT_90 input_102; [L89] SORT_90 input_104; [L90] SORT_1 input_113; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L92] SORT_9 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_9 init_12_arg_1 = var_10; [L96] state_11 = init_12_arg_1 [L97] SORT_1 init_109_arg_1 = var_107; [L98] state_108 = init_109_arg_1 VAL [init_109_arg_1=0, init_12_arg_1=0, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_6=1048575, mask_SORT_90=15, mask_SORT_9=7, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_6=524288, msb_SORT_90=8, msb_SORT_9=4, state_108=0, state_11=0, var_107=0, var_10=0, var_15=6, var_20=5, var_25=4, var_30=3, var_35=2, var_40=1, var_45=0, var_48=1047464, var_60=1048430, var_70=1046202, var_78=692223, var_7=196596, var_84=236898, var_88=522618, var_8=829275, var_96=1] [L101] input_2 = __VERIFIER_nondet_uchar() [L102] input_4 = __VERIFIER_nondet_uchar() [L103] input_5 = __VERIFIER_nondet_uchar() [L104] EXPR input_5 & mask_SORT_1 [L104] input_5 = input_5 & mask_SORT_1 [L105] input_18 = __VERIFIER_nondet_uint() [L106] input_23 = __VERIFIER_nondet_uint() [L107] input_28 = __VERIFIER_nondet_uint() [L108] input_33 = __VERIFIER_nondet_uint() [L109] input_38 = __VERIFIER_nondet_uint() [L110] input_43 = __VERIFIER_nondet_uint() [L111] input_50 = __VERIFIER_nondet_uint() [L112] input_52 = __VERIFIER_nondet_uint() [L113] input_54 = __VERIFIER_nondet_uint() [L114] input_56 = __VERIFIER_nondet_uint() [L115] input_58 = __VERIFIER_nondet_uint() [L116] input_62 = __VERIFIER_nondet_uint() [L117] input_64 = __VERIFIER_nondet_uint() [L118] input_66 = __VERIFIER_nondet_uint() [L119] input_68 = __VERIFIER_nondet_uint() [L120] input_72 = __VERIFIER_nondet_uint() [L121] input_74 = __VERIFIER_nondet_uint() [L122] input_76 = __VERIFIER_nondet_uint() [L123] input_80 = __VERIFIER_nondet_uint() [L124] input_82 = __VERIFIER_nondet_uint() [L125] input_86 = __VERIFIER_nondet_uint() [L126] input_100 = __VERIFIER_nondet_uchar() [L127] input_102 = __VERIFIER_nondet_uchar() [L128] input_104 = __VERIFIER_nondet_uchar() [L129] input_113 = __VERIFIER_nondet_uchar() [L132] SORT_9 var_44_arg_0 = state_11; [L133] EXPR var_44_arg_0 & mask_SORT_9 [L133] var_44_arg_0 = var_44_arg_0 & mask_SORT_9 [L134] SORT_13 var_44 = var_44_arg_0; [L135] SORT_13 var_46_arg_0 = var_44; [L136] SORT_13 var_46_arg_1 = var_45; [L137] SORT_1 var_46 = var_46_arg_0 == var_46_arg_1; [L138] SORT_9 var_39_arg_0 = state_11; [L139] EXPR var_39_arg_0 & mask_SORT_9 [L139] var_39_arg_0 = var_39_arg_0 & mask_SORT_9 [L140] SORT_13 var_39 = var_39_arg_0; [L141] SORT_13 var_41_arg_0 = var_39; [L142] SORT_13 var_41_arg_1 = var_40; [L143] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L144] SORT_9 var_34_arg_0 = state_11; [L145] EXPR var_34_arg_0 & mask_SORT_9 [L145] var_34_arg_0 = var_34_arg_0 & mask_SORT_9 [L146] SORT_13 var_34 = var_34_arg_0; [L147] SORT_13 var_36_arg_0 = var_34; [L148] SORT_13 var_36_arg_1 = var_35; [L149] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L150] SORT_9 var_29_arg_0 = state_11; [L151] EXPR var_29_arg_0 & mask_SORT_9 [L151] var_29_arg_0 = var_29_arg_0 & mask_SORT_9 [L152] SORT_13 var_29 = var_29_arg_0; [L153] SORT_13 var_31_arg_0 = var_29; [L154] SORT_13 var_31_arg_1 = var_30; [L155] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L156] SORT_9 var_24_arg_0 = state_11; [L157] EXPR var_24_arg_0 & mask_SORT_9 [L157] var_24_arg_0 = var_24_arg_0 & mask_SORT_9 [L158] SORT_13 var_24 = var_24_arg_0; [L159] SORT_13 var_26_arg_0 = var_24; [L160] SORT_13 var_26_arg_1 = var_25; [L161] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L162] SORT_9 var_19_arg_0 = state_11; [L163] EXPR var_19_arg_0 & mask_SORT_9 [L163] var_19_arg_0 = var_19_arg_0 & mask_SORT_9 [L164] SORT_13 var_19 = var_19_arg_0; [L165] SORT_13 var_21_arg_0 = var_19; [L166] SORT_13 var_21_arg_1 = var_20; [L167] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L168] SORT_9 var_14_arg_0 = state_11; [L169] EXPR var_14_arg_0 & mask_SORT_9 [L169] var_14_arg_0 = var_14_arg_0 & mask_SORT_9 [L170] SORT_13 var_14 = var_14_arg_0; [L171] SORT_13 var_16_arg_0 = var_14; [L172] SORT_13 var_16_arg_1 = var_15; [L173] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L174] SORT_1 var_17_arg_0 = var_16; [L175] SORT_6 var_17_arg_1 = var_8; [L176] SORT_6 var_17_arg_2 = var_7; [L177] SORT_6 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L178] SORT_1 var_22_arg_0 = var_21; [L179] SORT_6 var_22_arg_1 = input_18; [L180] SORT_6 var_22_arg_2 = var_17; [L181] SORT_6 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L182] SORT_1 var_27_arg_0 = var_26; [L183] SORT_6 var_27_arg_1 = input_23; [L184] SORT_6 var_27_arg_2 = var_22; [L185] SORT_6 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L186] SORT_1 var_32_arg_0 = var_31; [L187] SORT_6 var_32_arg_1 = input_28; [L188] SORT_6 var_32_arg_2 = var_27; [L189] SORT_6 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L190] SORT_1 var_37_arg_0 = var_36; [L191] SORT_6 var_37_arg_1 = input_33; [L192] SORT_6 var_37_arg_2 = var_32; [L193] SORT_6 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L194] SORT_1 var_42_arg_0 = var_41; [L195] SORT_6 var_42_arg_1 = input_38; [L196] SORT_6 var_42_arg_2 = var_37; [L197] SORT_6 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L198] SORT_1 var_47_arg_0 = var_46; [L199] SORT_6 var_47_arg_1 = input_43; [L200] SORT_6 var_47_arg_2 = var_42; [L201] SORT_6 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L202] SORT_1 var_49_arg_0 = var_21; [L203] SORT_6 var_49_arg_1 = var_48; [L204] SORT_6 var_49_arg_2 = var_47; [L205] SORT_6 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L206] SORT_1 var_51_arg_0 = var_26; [L207] SORT_6 var_51_arg_1 = input_50; [L208] SORT_6 var_51_arg_2 = var_49; [L209] SORT_6 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L210] SORT_1 var_53_arg_0 = var_31; [L211] SORT_6 var_53_arg_1 = input_52; [L212] SORT_6 var_53_arg_2 = var_51; [L213] SORT_6 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L214] SORT_1 var_55_arg_0 = var_36; [L215] SORT_6 var_55_arg_1 = input_54; [L216] SORT_6 var_55_arg_2 = var_53; [L217] SORT_6 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L218] SORT_1 var_57_arg_0 = var_41; [L219] SORT_6 var_57_arg_1 = input_56; [L220] SORT_6 var_57_arg_2 = var_55; [L221] SORT_6 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L222] SORT_1 var_59_arg_0 = var_46; [L223] SORT_6 var_59_arg_1 = input_58; [L224] SORT_6 var_59_arg_2 = var_57; [L225] SORT_6 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L226] SORT_1 var_61_arg_0 = var_26; [L227] SORT_6 var_61_arg_1 = var_60; [L228] SORT_6 var_61_arg_2 = var_59; [L229] SORT_6 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L230] SORT_1 var_63_arg_0 = var_31; [L231] SORT_6 var_63_arg_1 = input_62; [L232] SORT_6 var_63_arg_2 = var_61; [L233] SORT_6 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L234] SORT_1 var_65_arg_0 = var_36; [L235] SORT_6 var_65_arg_1 = input_64; [L236] SORT_6 var_65_arg_2 = var_63; [L237] SORT_6 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L238] SORT_1 var_67_arg_0 = var_41; [L239] SORT_6 var_67_arg_1 = input_66; [L240] SORT_6 var_67_arg_2 = var_65; [L241] SORT_6 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L242] SORT_1 var_69_arg_0 = var_46; [L243] SORT_6 var_69_arg_1 = input_68; [L244] SORT_6 var_69_arg_2 = var_67; [L245] SORT_6 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L246] SORT_1 var_71_arg_0 = var_31; [L247] SORT_6 var_71_arg_1 = var_70; [L248] SORT_6 var_71_arg_2 = var_69; [L249] SORT_6 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L250] SORT_1 var_73_arg_0 = var_36; [L251] SORT_6 var_73_arg_1 = input_72; [L252] SORT_6 var_73_arg_2 = var_71; [L253] SORT_6 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L254] SORT_1 var_75_arg_0 = var_41; [L255] SORT_6 var_75_arg_1 = input_74; [L256] SORT_6 var_75_arg_2 = var_73; [L257] SORT_6 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L258] SORT_1 var_77_arg_0 = var_46; [L259] SORT_6 var_77_arg_1 = input_76; [L260] SORT_6 var_77_arg_2 = var_75; [L261] SORT_6 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L262] SORT_1 var_79_arg_0 = var_36; [L263] SORT_6 var_79_arg_1 = var_78; [L264] SORT_6 var_79_arg_2 = var_77; [L265] SORT_6 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L266] SORT_1 var_81_arg_0 = var_41; [L267] SORT_6 var_81_arg_1 = input_80; [L268] SORT_6 var_81_arg_2 = var_79; [L269] SORT_6 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L270] SORT_1 var_83_arg_0 = var_46; [L271] SORT_6 var_83_arg_1 = input_82; [L272] SORT_6 var_83_arg_2 = var_81; [L273] SORT_6 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L274] SORT_1 var_85_arg_0 = var_41; [L275] SORT_6 var_85_arg_1 = var_84; [L276] SORT_6 var_85_arg_2 = var_83; [L277] SORT_6 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L278] SORT_1 var_87_arg_0 = var_46; [L279] SORT_6 var_87_arg_1 = input_86; [L280] SORT_6 var_87_arg_2 = var_85; [L281] SORT_6 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L282] SORT_1 var_89_arg_0 = var_46; [L283] SORT_6 var_89_arg_1 = var_88; [L284] SORT_6 var_89_arg_2 = var_87; [L285] SORT_6 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L286] SORT_6 var_91_arg_0 = var_89; [L287] SORT_90 var_91 = var_91_arg_0 >> 0; [L288] SORT_90 var_92_arg_0 = var_91; [L289] EXPR var_92_arg_0 & mask_SORT_90 [L289] var_92_arg_0 = var_92_arg_0 & mask_SORT_90 [L290] SORT_13 var_92 = var_92_arg_0; [L291] SORT_13 var_93_arg_0 = var_92; [L292] SORT_13 var_93_arg_1 = var_45; [L293] SORT_1 var_93 = var_93_arg_0 != var_93_arg_1; [L294] SORT_1 var_97_arg_0 = var_93; [L295] SORT_1 var_97 = ~var_97_arg_0; [L296] SORT_1 var_98_arg_0 = var_96; [L297] SORT_1 var_98_arg_1 = var_97; [L298] EXPR var_98_arg_0 & var_98_arg_1 [L298] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L299] EXPR var_98 & mask_SORT_1 [L299] var_98 = var_98 & mask_SORT_1 [L300] SORT_1 bad_99_arg_0 = var_98; [L301] CALL __VERIFIER_assert(!(bad_99_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:06:58,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f849895f3b33bb52cfb29e0d9e7838b143b412485c8add4ec69cb2104446783f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:01,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:01,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-21 22:07:01,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:01,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:01,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:01,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:01,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:01,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:01,835 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:01,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:01,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:01,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:01,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:01,840 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:01,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:01,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:01,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:01,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:01,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:01,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:01,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:07:01,845 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:07:01,846 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:07:01,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:01,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:01,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:01,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:01,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:07:01,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:01,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:01,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:01,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:01,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:01,853 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:07:01,853 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:07:01,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:01,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:01,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:01,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:01,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:01,856 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:07:01,856 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_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f849895f3b33bb52cfb29e0d9e7838b143b412485c8add4ec69cb2104446783f [2023-11-21 22:07:02,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:02,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:02,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:02,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:02,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:02,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2023-11-21 22:07:05,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:06,131 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:06,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2023-11-21 22:07:06,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data/5f1bcf54d/1b4d48f1eedc4a4d96eb564ad202f55a/FLAGaf3abe040 [2023-11-21 22:07:06,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/data/5f1bcf54d/1b4d48f1eedc4a4d96eb564ad202f55a [2023-11-21 22:07:06,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:06,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:06,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:06,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:06,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:06,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8b049f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06, skipping insertion in model container [2023-11-21 22:07:06,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:06,522 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_99d52e37-c1ee-4915-90f8-6e7bf51266e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1245,1258] [2023-11-21 22:07:06,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:06,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:06,734 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1245,1258] [2023-11-21 22:07:06,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:06,858 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:06,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06 WrapperNode [2023-11-21 22:07:06,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:06,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:06,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:06,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:06,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,948 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 376 [2023-11-21 22:07:06,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:06,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:06,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:06,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:06,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,975 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,991 INFO L187 HeapSplitter]: Split 10 memory accesses to 2 slices as follows [2, 8] [2023-11-21 22:07:06,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:06,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:07,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:07,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:07,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:07,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:07,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:07,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:07,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:07,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:07,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (1/1) ... [2023-11-21 22:07:07,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:07,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:07,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:07:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:07:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:07,346 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:07,349 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:07,861 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:07,968 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:07,969 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:07:07,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:07 BoogieIcfgContainer [2023-11-21 22:07:07,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:07,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:07,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:07,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:07,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:06" (1/3) ... [2023-11-21 22:07:07,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64592736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:07, skipping insertion in model container [2023-11-21 22:07:07,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:06" (2/3) ... [2023-11-21 22:07:07,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64592736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:07, skipping insertion in model container [2023-11-21 22:07:07,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:07" (3/3) ... [2023-11-21 22:07:07,985 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b08.c [2023-11-21 22:07:08,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:08,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:07:08,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:08,090 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;@5c9bf3f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:08,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:07:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:07:08,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:08,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:07:08,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:08,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:08,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-21 22:07:08,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:08,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129637644] [2023-11-21 22:07:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:07:08,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:08,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:07:08,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:07:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:08,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 22:07:08,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:09,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:07:09,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:07:09,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129637644] [2023-11-21 22:07:09,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129637644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:09,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:09,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:07:09,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748999901] [2023-11-21 22:07:09,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:09,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:07:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:07:09,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:07:09,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:07:09,073 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:09,206 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-21 22:07:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:07:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-21 22:07:09,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:09,218 INFO L225 Difference]: With dead ends: 15 [2023-11-21 22:07:09,218 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 22:07:09,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:07:09,226 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:09,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:07:09,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 22:07:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-21 22:07:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-21 22:07:09,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-21 22:07:09,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:09,260 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-21 22:07:09,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-21 22:07:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:07:09,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:09,261 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-21 22:07:09,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-21 22:07:09,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:07:09,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:09,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:09,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-21 22:07:09,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:09,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814940194] [2023-11-21 22:07:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:09,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:07:09,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:09,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:07:09,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:07:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:09,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 22:07:09,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:10,517 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:07:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:11,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:07:11,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814940194] [2023-11-21 22:07:11,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814940194] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:07:11,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:07:11,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-21 22:07:11,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195254676] [2023-11-21 22:07:11,478 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:07:11,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:07:11,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:07:11,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:07:11,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:07:11,482 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:11,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:11,682 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-21 22:07:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:07:11,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 22:07:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:11,683 INFO L225 Difference]: With dead ends: 14 [2023-11-21 22:07:11,683 INFO L226 Difference]: Without dead ends: 12 [2023-11-21 22:07:11,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:07:11,685 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:11,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:07:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-21 22:07:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-21 22:07:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-21 22:07:11,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-21 22:07:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:11,691 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-21 22:07:11,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-21 22:07:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 22:07:11,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:11,692 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-21 22:07:11,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:11,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:07:11,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:11,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:11,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-21 22:07:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:11,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076375317] [2023-11-21 22:07:11,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:07:11,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:07:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:11,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:07:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-21 22:07:12,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 22:07:12,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:07:12,161 WARN L260 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 116 conjunts are in the unsatisfiable core [2023-11-21 22:07:12,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 22:07:18,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:07:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 22:07:24,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:07:24,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076375317] [2023-11-21 22:07:24,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076375317] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:07:24,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:07:24,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-21 22:07:24,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231670527] [2023-11-21 22:07:24,751 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:07:24,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:24,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:07:24,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:24,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:24,754 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:24,852 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2023-11-21 22:07:24,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:07:24,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-21 22:07:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:24,854 INFO L225 Difference]: With dead ends: 11 [2023-11-21 22:07:24,854 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:07:24,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:07:24,856 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:24,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:07:24,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:07:24,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:07:24,858 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) [2023-11-21 22:07:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:07:24,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-11-21 22:07:24,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:24,859 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:07:24,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:07:24,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:07:24,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:07:24,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-21 22:07:25,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:07:25,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:07:25,194 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 328) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv1048430 32) |ULTIMATE.start_main_~var_60~0#1|) (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_90~0#1|) (= (_ bv236898 32) |ULTIMATE.start_main_~var_84~0#1|) (= (_ bv522618 32) |ULTIMATE.start_main_~var_88~0#1|) (= |ULTIMATE.start_main_~var_78~0#1| (_ bv692223 32)) (= (_ bv196596 32) |ULTIMATE.start_main_~var_7~0#1|) (= (_ bv1047464 32) |ULTIMATE.start_main_~var_48~0#1|) (= (_ bv1046202 32) |ULTIMATE.start_main_~var_70~0#1|) (= (_ bv829275 32) |ULTIMATE.start_main_~var_8~0#1|) (= |ULTIMATE.start_main_~var_45~0#1| (_ bv0 32))) [2023-11-21 22:07:25,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:07:25,194 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-21 22:07:25,194 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-21 22:07:25,195 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-21 22:07:25,195 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:07:25,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-21 22:07:25,197 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-21 22:07:25,199 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:07:25,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:07:25 BoogieIcfgContainer [2023-11-21 22:07:25,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:07:25,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:25,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:25,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:25,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:07" (3/4) ... [2023-11-21 22:07:25,220 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:07:25,240 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 22:07:25,241 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 22:07:25,242 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:07:25,243 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:07:25,243 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:07:25,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:07:25,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:07:25,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:25,388 INFO L158 Benchmark]: Toolchain (without parser) took 19199.94ms. Allocated memory was 98.6MB in the beginning and 394.3MB in the end (delta: 295.7MB). Free memory was 73.7MB in the beginning and 348.9MB in the end (delta: -275.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,388 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:25,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.23ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 55.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.91ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 52.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,389 INFO L158 Benchmark]: Boogie Preprocessor took 72.33ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 48.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,390 INFO L158 Benchmark]: RCFGBuilder took 948.15ms. Allocated memory is still 98.6MB. Free memory was 48.7MB in the beginning and 68.8MB in the end (delta: -20.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,390 INFO L158 Benchmark]: TraceAbstraction took 17242.46ms. Allocated memory was 98.6MB in the beginning and 394.3MB in the end (delta: 295.7MB). Free memory was 67.9MB in the beginning and 357.3MB in the end (delta: -289.4MB). Peak memory consumption was 230.8MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,391 INFO L158 Benchmark]: Witness Printer took 170.26ms. Allocated memory is still 394.3MB. Free memory was 357.3MB in the beginning and 348.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:07:25,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.23ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 55.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.91ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 52.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.33ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 48.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 948.15ms. Allocated memory is still 98.6MB. Free memory was 48.7MB in the beginning and 68.8MB in the end (delta: -20.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17242.46ms. Allocated memory was 98.6MB in the beginning and 394.3MB in the end (delta: 295.7MB). Free memory was 67.9MB in the beginning and 357.3MB in the end (delta: -289.4MB). Peak memory consumption was 230.8MB. Max. memory is 16.1GB. * Witness Printer took 170.26ms. Allocated memory is still 394.3MB. Free memory was 357.3MB in the beginning and 348.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 4 NumberOfFragments, 34 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 21 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 11 QuantifiedInterpolants, 3944 SizeOfPredicates, 209 NumberOfNonLiveVariables, 844 ConjunctsInSsa, 186 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 10/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((((((((1 == mask_SORT_1) && (1048430 == var_60)) && (15 == mask_SORT_90)) && (236898 == var_84)) && (522618 == var_88)) && (var_78 == 692223)) && (196596 == var_7)) && (1047464 == var_48)) && (1046202 == var_70)) && (829275 == var_8)) && (var_45 == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:07:25,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d52e37-c1ee-4915-90f8-6e7bf51266e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE