./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu --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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:50:52,913 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:50:52,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-19 07:50:53,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:50:53,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:50:53,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:50:53,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:50:53,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:50:53,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:50:53,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:50:53,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:50:53,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:50:53,034 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:50:53,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:50:53,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:50:53,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:50:53,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:50:53,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:50:53,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:50:53,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:50:53,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:50:53,039 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:50:53,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:50:53,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:50:53,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:50:53,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:50:53,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:50:53,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:50:53,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:50:53,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:50:53,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:50:53,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:50:53,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:50:53,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:50:53,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:50:53,047 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:50:53,047 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_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6
[2023-11-19 07:50:53,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:50:53,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:50:53,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:50:53,377 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:50:53,379 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:50:53,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c
[2023-11-19 07:50:56,465 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:50:56,697 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:50:56,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c
[2023-11-19 07:50:56,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data/c1d4d6b7e/b3fe7cc35cad4060b1a88bf7d8198e61/FLAGcbd4b23e8
[2023-11-19 07:50:56,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data/c1d4d6b7e/b3fe7cc35cad4060b1a88bf7d8198e61
[2023-11-19 07:50:56,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:50:56,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:50:56,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:50:56,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:50:56,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:50:56,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:56" (1/1) ...
[2023-11-19 07:50:56,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6775adb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:56, skipping insertion in model container
[2023-11-19 07:50:56,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:56" (1/1) ...
[2023-11-19 07:50:56,773 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:50:56,956 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262]
[2023-11-19 07:50:57,043 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:50:57,058 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:50:57,070 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_6c3bd158-560e-427a-8cce-d220bfb6da79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262]
[2023-11-19 07:50:57,118 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:50:57,134 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:50:57,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57 WrapperNode
[2023-11-19 07:50:57,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:50:57,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:50:57,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:50:57,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:50:57,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,265 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 459
[2023-11-19 07:50:57,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:50:57,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:50:57,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:50:57,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:50:57,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:50:57,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:50:57,353 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:50:57,354 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:50:57,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ...
[2023-11-19 07:50:57,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:50:57,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:50:57,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:50:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:50:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:50:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:50:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:50:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:50:57,592 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:50:57,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:50:58,373 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:50:58,385 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:50:58,386 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:50:58,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:58 BoogieIcfgContainer
[2023-11-19 07:50:58,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:50:58,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:50:58,400 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:50:58,403 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:50:58,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:56" (1/3) ...
[2023-11-19 07:50:58,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d460f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:58, skipping insertion in model container
[2023-11-19 07:50:58,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (2/3) ...
[2023-11-19 07:50:58,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d460f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:58, skipping insertion in model container
[2023-11-19 07:50:58,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:58" (3/3) ...
[2023-11-19 07:50:58,410 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v2.c
[2023-11-19 07:50:58,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:50:58,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:50:58,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:50:58,491 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;@e2b680b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:50:58,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:50:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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)
[2023-11-19 07:50:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2023-11-19 07:50:58,506 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:50:58,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:58,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:50:58,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:58,515 INFO L85 PathProgramCache]: Analyzing trace with hash -140115078, now seen corresponding path program 1 times
[2023-11-19 07:50:58,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:58,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322334874]
[2023-11-19 07:50:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:50:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:50:59,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:50:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322334874]
[2023-11-19 07:50:59,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322334874] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:50:59,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:50:59,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:50:59,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71690017]
[2023-11-19 07:50:59,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:50:59,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:50:59,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:50:59,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:50:59,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:50:59,368 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:50:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:50:59,447 INFO L93 Difference]: Finished difference Result 108 states and 174 transitions.
[2023-11-19 07:50:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:50:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39
[2023-11-19 07:50:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:50:59,461 INFO L225 Difference]: With dead ends: 108
[2023-11-19 07:50:59,461 INFO L226 Difference]: Without dead ends: 72
[2023-11-19 07:50:59,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:50:59,472 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:50:59,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 324 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:50:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2023-11-19 07:50:59,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2023-11-19 07:50:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.6056338028169015) internal successors, (114), 71 states have internal predecessors, (114), 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)
[2023-11-19 07:50:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 114 transitions.
[2023-11-19 07:50:59,514 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 114 transitions. Word has length 39
[2023-11-19 07:50:59,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:50:59,515 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 114 transitions.
[2023-11-19 07:50:59,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:50:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions.
[2023-11-19 07:50:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2023-11-19 07:50:59,517 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:50:59,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:59,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:50:59,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:50:59,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:59,519 INFO L85 PathProgramCache]: Analyzing trace with hash -46874970, now seen corresponding path program 1 times
[2023-11-19 07:50:59,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:59,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614487817]
[2023-11-19 07:50:59,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:59,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:50:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:50:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:50:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614487817]
[2023-11-19 07:50:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614487817] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:50:59,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:50:59,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:50:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638332150]
[2023-11-19 07:50:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:50:59,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:50:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:50:59,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:50:59,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:50:59,689 INFO L87 Difference]: Start difference. First operand 72 states and 114 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:50:59,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:50:59,750 INFO L93 Difference]: Finished difference Result 109 states and 170 transitions.
[2023-11-19 07:50:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:50:59,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40
[2023-11-19 07:50:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:50:59,755 INFO L225 Difference]: With dead ends: 109
[2023-11-19 07:50:59,755 INFO L226 Difference]: Without dead ends: 75
[2023-11-19 07:50:59,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:50:59,757 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:50:59,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 321 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:50:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2023-11-19 07:50:59,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74.
[2023-11-19 07:50:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.5890410958904109) internal successors, (116), 73 states have internal predecessors, (116), 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)
[2023-11-19 07:50:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions.
[2023-11-19 07:50:59,779 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 40
[2023-11-19 07:50:59,779 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:50:59,782 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions.
[2023-11-19 07:50:59,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:50:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions.
[2023-11-19 07:50:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-19 07:50:59,786 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:50:59,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:50:59,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:50:59,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:50:59,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:50:59,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1663556332, now seen corresponding path program 1 times
[2023-11-19 07:50:59,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:50:59,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195499879]
[2023-11-19 07:50:59,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:50:59,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:50:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:51:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:00,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:51:00,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195499879]
[2023-11-19 07:51:00,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195499879] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:51:00,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:51:00,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:51:00,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267701288]
[2023-11-19 07:51:00,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:51:00,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:51:00,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:51:00,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:51:00,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:51:00,223 INFO L87 Difference]: Start difference. First operand 74 states and 116 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:51:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:51:00,277 INFO L93 Difference]: Finished difference Result 118 states and 184 transitions.
[2023-11-19 07:51:00,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:51:00,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41
[2023-11-19 07:51:00,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:51:00,305 INFO L225 Difference]: With dead ends: 118
[2023-11-19 07:51:00,305 INFO L226 Difference]: Without dead ends: 82
[2023-11-19 07:51:00,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:51:00,307 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 124 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:51:00,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 197 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:51:00,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2023-11-19 07:51:00,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72.
[2023-11-19 07:51:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 71 states have internal predecessors, (112), 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)
[2023-11-19 07:51:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions.
[2023-11-19 07:51:00,316 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 41
[2023-11-19 07:51:00,316 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:51:00,316 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions.
[2023-11-19 07:51:00,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:51:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions.
[2023-11-19 07:51:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-19 07:51:00,318 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:51:00,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:51:00,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:51:00,319 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:51:00,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:51:00,326 INFO L85 PathProgramCache]: Analyzing trace with hash 111451030, now seen corresponding path program 1 times
[2023-11-19 07:51:00,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:51:00,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184204776]
[2023-11-19 07:51:00,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:51:00,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:51:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:51:00,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:51:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:51:00,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:51:00,420 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:51:00,421 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:51:00,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:51:00,427 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:51:00,430 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:51:00,465 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated
[2023-11-19 07:51:00,466 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
[2023-11-19 07:51:00,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated
[2023-11-19 07:51:00,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated
[2023-11-19 07:51:00,468 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated
[2023-11-19 07:51:00,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated
[2023-11-19 07:51:00,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated
[2023-11-19 07:51:00,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated
[2023-11-19 07:51:00,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated
[2023-11-19 07:51:00,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated
[2023-11-19 07:51:00,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated
[2023-11-19 07:51:00,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated
[2023-11-19 07:51:00,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated
[2023-11-19 07:51:00,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated
[2023-11-19 07:51:00,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated
[2023-11-19 07:51:00,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated
[2023-11-19 07:51:00,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated
[2023-11-19 07:51:00,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated
[2023-11-19 07:51:00,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated
[2023-11-19 07:51:00,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated
[2023-11-19 07:51:00,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated
[2023-11-19 07:51:00,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated
[2023-11-19 07:51:00,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated
[2023-11-19 07:51:00,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated
[2023-11-19 07:51:00,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated
[2023-11-19 07:51:00,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated
[2023-11-19 07:51:00,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated
[2023-11-19 07:51:00,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
[2023-11-19 07:51:00,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated
[2023-11-19 07:51:00,498 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null
[2023-11-19 07:51:00,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:51:00 BoogieIcfgContainer
[2023-11-19 07:51:00,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:51:00,518 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:51:00,519 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:51:00,519 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:51:00,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:58" (3/4) ...
[2023-11-19 07:51:00,522 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:51:00,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:51:00,524 INFO L158 Benchmark]: Toolchain (without parser) took 3795.41ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 103.0MB in the beginning and 101.0MB in the end (delta: 2.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB.
[2023-11-19 07:51:00,525 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 80.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:51:00,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.86ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 86.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:51:00,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.22ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 77.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:51:00,529 INFO L158 Benchmark]: Boogie Preprocessor took 85.69ms. Allocated memory is still 151.0MB. Free memory was 77.8MB in the beginning and 74.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:51:00,529 INFO L158 Benchmark]: RCFGBuilder took 1043.30ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 89.8MB in the end (delta: -15.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB.
[2023-11-19 07:51:00,530 INFO L158 Benchmark]: TraceAbstraction took 2118.22ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 89.1MB in the beginning and 101.0MB in the end (delta: -12.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
[2023-11-19 07:51:00,530 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 188.7MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:51:00,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.62ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 80.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 403.86ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 86.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 130.22ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 77.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 85.69ms. Allocated memory is still 151.0MB. Free memory was 77.8MB in the beginning and 74.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1043.30ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 89.8MB in the end (delta: -15.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 2118.22ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 89.1MB in the beginning and 101.0MB in the end (delta: -12.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
* Witness Printer took 5.16ms. Allocated memory is still 188.7MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of bitwiseAnd at line 98.
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_1 var_9 = 0;
[L30] const SORT_1 var_17 = 1;
[L32] SORT_1 input_2;
[L33] SORT_1 input_3;
[L34] SORT_1 input_4;
[L35] SORT_1 input_5;
[L36] SORT_1 input_6;
[L37] SORT_1 input_7;
[L38] SORT_1 input_8;
[L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, var_17=1, var_9=0]
[L40] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, var_17=1, var_9=0]
[L41] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, var_17=1, var_9=0]
[L42] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, var_17=1, var_9=0]
[L43] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, var_17=1, var_9=0]
[L44] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, var_17=1, var_9=0]
[L45] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, var_17=1, var_9=0]
[L46] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, var_17=1, var_9=0]
[L47] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, var_17=1, var_9=0]
[L48] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, var_17=1, var_9=0]
[L49] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, var_17=1, var_9=0]
[L50] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, var_17=1, var_9=0]
[L51] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L53] SORT_1 init_11_arg_1 = var_9;
[L54] state_10 = init_11_arg_1
[L55] SORT_1 init_13_arg_1 = var_9;
[L56] state_12 = init_13_arg_1
[L57] SORT_1 init_22_arg_1 = var_9;
[L58] state_21 = init_22_arg_1
[L59] SORT_1 init_24_arg_1 = var_9;
[L60] state_23 = init_24_arg_1
[L61] SORT_1 init_26_arg_1 = var_9;
[L62] state_25 = init_26_arg_1
[L63] SORT_1 init_28_arg_1 = var_9;
[L64] state_27 = init_28_arg_1
[L65] SORT_1 init_30_arg_1 = var_9;
[L66] state_29 = init_30_arg_1
[L67] SORT_1 init_32_arg_1 = var_9;
[L68] state_31 = init_32_arg_1
[L69] SORT_1 init_34_arg_1 = var_9;
[L70] state_33 = init_34_arg_1
[L71] SORT_1 init_36_arg_1 = var_9;
[L72] state_35 = init_36_arg_1
[L73] SORT_1 init_39_arg_1 = var_9;
[L74] state_38 = init_39_arg_1
[L75] SORT_1 init_41_arg_1 = var_9;
[L76] state_40 = init_41_arg_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0]
[L79] input_2 = __VERIFIER_nondet_uchar()
[L80] input_3 = __VERIFIER_nondet_uchar()
[L81] input_4 = __VERIFIER_nondet_uchar()
[L82] input_5 = __VERIFIER_nondet_uchar()
[L83] input_6 = __VERIFIER_nondet_uchar()
[L84] EXPR input_6 & mask_SORT_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0]
[L84] input_6 = input_6 & mask_SORT_1
[L85] input_7 = __VERIFIER_nondet_uchar()
[L86] EXPR input_7 & mask_SORT_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0]
[L86] input_7 = input_7 & mask_SORT_1
[L87] input_8 = __VERIFIER_nondet_uchar()
[L88] EXPR input_8 & mask_SORT_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0]
[L88] input_8 = input_8 & mask_SORT_1
[L91] SORT_1 var_14_arg_0 = state_10;
[L92] SORT_1 var_14_arg_1 = state_12;
[L93] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1;
[L94] SORT_1 var_18_arg_0 = var_14;
[L95] SORT_1 var_18 = ~var_18_arg_0;
[L96] SORT_1 var_19_arg_0 = var_17;
[L97] SORT_1 var_19_arg_1 = var_18;
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_9=0]
[L98] EXPR var_19_arg_0 & var_19_arg_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_9=0]
[L98] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1;
[L99] EXPR var_19 & mask_SORT_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=1, var_19_arg_0=1, var_19_arg_1=254, var_9=0]
[L99] var_19 = var_19 & mask_SORT_1
[L100] SORT_1 bad_20_arg_0 = var_19;
[L101] CALL __VERIFIER_assert(!(bad_20_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, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 842 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 502 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 340 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 07:51:00,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu --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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:51:03,162 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:51:03,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-11-19 07:51:03,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:51:03,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:51:03,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:51:03,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:51:03,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:51:03,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:51:03,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:51:03,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:51:03,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:51:03,348 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:51:03,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:51:03,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:51:03,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:51:03,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:51:03,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:51:03,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:51:03,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:51:03,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:51:03,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:51:03,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:51:03,356 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:51:03,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:51:03,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:51:03,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:51:03,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:51:03,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:51:03,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:51:03,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:51:03,360 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:51:03,361 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:51:03,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:51:03,361 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:51:03,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:51:03,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:51:03,362 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:51:03,363 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:51:03,364 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_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6
[2023-11-19 07:51:03,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:51:03,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:51:03,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:51:03,758 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:51:03,759 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:51:03,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c
[2023-11-19 07:51:06,960 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:51:07,275 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:51:07,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c
[2023-11-19 07:51:07,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data/034e89a03/c6ddc42c8e444d16915bd0763a3f36e3/FLAG572af115b
[2023-11-19 07:51:07,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/data/034e89a03/c6ddc42c8e444d16915bd0763a3f36e3
[2023-11-19 07:51:07,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:51:07,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:51:07,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:51:07,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:51:07,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:51:07,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:07,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd8c780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07, skipping insertion in model container
[2023-11-19 07:51:07,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:07,399 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:51:07,632 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_6c3bd158-560e-427a-8cce-d220bfb6da79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262]
[2023-11-19 07:51:07,755 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:51:07,785 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:51:07,804 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_6c3bd158-560e-427a-8cce-d220bfb6da79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262]
[2023-11-19 07:51:07,871 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:51:07,896 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:51:07,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07 WrapperNode
[2023-11-19 07:51:07,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:51:07,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:51:07,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:51:07,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:51:07,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:07,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:07,995 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249
[2023-11-19 07:51:07,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:51:07,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:51:07,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:51:07,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:51:08,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:51:08,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:51:08,108 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:51:08,109 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:51:08,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (1/1) ...
[2023-11-19 07:51:08,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:51:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:51:08,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:51:08,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:51:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:51:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:51:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:51:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:51:08,399 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:51:08,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:51:08,787 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:51:08,795 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:51:08,797 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:51:08,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:08 BoogieIcfgContainer
[2023-11-19 07:51:08,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:51:08,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:51:08,806 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:51:08,810 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:51:08,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:07" (1/3) ...
[2023-11-19 07:51:08,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16011ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:08, skipping insertion in model container
[2023-11-19 07:51:08,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:07" (2/3) ...
[2023-11-19 07:51:08,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16011ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:08, skipping insertion in model container
[2023-11-19 07:51:08,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:08" (3/3) ...
[2023-11-19 07:51:08,814 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v2.c
[2023-11-19 07:51:08,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:51:08,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:51:08,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:51:08,890 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;@6d7bd4f0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:51:08,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:51:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 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)
[2023-11-19 07:51:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:51:08,903 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:51:08,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:51:08,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:51:08,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:51:08,916 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times
[2023-11-19 07:51:08,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:51:08,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435922216]
[2023-11-19 07:51:08,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:51:08,931 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
[2023-11-19 07:51:08,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:51:08,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:51:08,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:51:09,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-11-19 07:51:09,076 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:51:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:09,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:51:09,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:51:09,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435922216]
[2023-11-19 07:51:09,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435922216] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:51:09,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:51:09,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:51:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789314745]
[2023-11-19 07:51:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:51:09,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:51:09,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:51:09,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:51:09,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:51:09,374 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2023-11-19 07:51:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:51:09,436 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions.
[2023-11-19 07:51:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:51:09,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2023-11-19 07:51:09,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:51:09,447 INFO L225 Difference]: With dead ends: 19
[2023-11-19 07:51:09,447 INFO L226 Difference]: Without dead ends: 10
[2023-11-19 07:51:09,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:51:09,454 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:51:09,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:51:09,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-19 07:51:09,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9.
[2023-11-19 07:51:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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)
[2023-11-19 07:51:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2023-11-19 07:51:09,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2023-11-19 07:51:09,488 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:51:09,488 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2023-11-19 07:51:09,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2023-11-19 07:51:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2023-11-19 07:51:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 07:51:09,490 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:51:09,490 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:51:09,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:51:09,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:09,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:51:09,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:51:09,694 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times
[2023-11-19 07:51:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:51:09,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642721304]
[2023-11-19 07:51:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:51:09,697 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
[2023-11-19 07:51:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:51:09,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:51:09,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:51:09,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core
[2023-11-19 07:51:09,869 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:51:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:10,696 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:51:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:11,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:51:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642721304]
[2023-11-19 07:51:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642721304] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:51:11,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:51:11,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2023-11-19 07:51:11,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946972737]
[2023-11-19 07:51:11,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:51:11,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-19 07:51:11,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:51:11,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-19 07:51:11,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:51:11,874 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:51:12,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:51:12,079 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2023-11-19 07:51:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:51:12,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-11-19 07:51:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:51:12,081 INFO L225 Difference]: With dead ends: 15
[2023-11-19 07:51:12,081 INFO L226 Difference]: Without dead ends: 13
[2023-11-19 07:51:12,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:51:12,085 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:51:12,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 20 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:51:12,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2023-11-19 07:51:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12.
[2023-11-19 07:51:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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)
[2023-11-19 07:51:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2023-11-19 07:51:12,097 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8
[2023-11-19 07:51:12,097 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:51:12,098 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2023-11-19 07:51:12,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:51:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2023-11-19 07:51:12,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 07:51:12,100 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:51:12,100 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2023-11-19 07:51:12,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:12,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:12,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:51:12,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:51:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times
[2023-11-19 07:51:12,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:51:12,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564986593]
[2023-11-19 07:51:12,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:51:12,306 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
[2023-11-19 07:51:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:51:12,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:51:12,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:12,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:51:12,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:51:12,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 71 conjunts are in the unsatisfiable core
[2023-11-19 07:51:12,594 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:51:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:13,290 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:51:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:18,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:51:18,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564986593]
[2023-11-19 07:51:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564986593] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:51:18,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:51:18,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2023-11-19 07:51:18,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897476639]
[2023-11-19 07:51:18,408 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:51:18,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-19 07:51:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:51:18,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-19 07:51:18,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:51:18,413 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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)
[2023-11-19 07:51:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:51:18,722 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions.
[2023-11-19 07:51:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:51:18,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11
[2023-11-19 07:51:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:51:18,724 INFO L225 Difference]: With dead ends: 18
[2023-11-19 07:51:18,724 INFO L226 Difference]: Without dead ends: 16
[2023-11-19 07:51:18,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210
[2023-11-19 07:51:18,726 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:51:18,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 24 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:51:18,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2023-11-19 07:51:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15.
[2023-11-19 07:51:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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)
[2023-11-19 07:51:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2023-11-19 07:51:18,731 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11
[2023-11-19 07:51:18,731 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:51:18,731 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2023-11-19 07:51:18,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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)
[2023-11-19 07:51:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2023-11-19 07:51:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:51:18,735 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:51:18,735 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1]
[2023-11-19 07:51:18,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:51:18,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:18,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:51:18,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:51:18,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times
[2023-11-19 07:51:18,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:51:18,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649717771]
[2023-11-19 07:51:18,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-19 07:51:18,941 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
[2023-11-19 07:51:18,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:51:18,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:51:18,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-11-19 07:51:19,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2023-11-19 07:51:19,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:51:19,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 134 conjunts are in the unsatisfiable core
[2023-11-19 07:51:19,313 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:51:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:23,761 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:51:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:51:37,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:51:37,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649717771]
[2023-11-19 07:51:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649717771] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:51:37,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:51:37,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17
[2023-11-19 07:51:37,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943511258]
[2023-11-19 07:51:37,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:51:37,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-11-19 07:51:37,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:51:37,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-11-19 07:51:37,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272
[2023-11-19 07:51:37,981 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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)
[2023-11-19 07:51:40,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:51:40,578 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2023-11-19 07:51:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:51:40,579 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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 14
[2023-11-19 07:51:40,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:51:40,580 INFO L225 Difference]: With dead ends: 15
[2023-11-19 07:51:40,580 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:51:40,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2023-11-19 07:51:40,582 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:51:40,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2023-11-19 07:51:40,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:51:40,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:51:40,584 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)
[2023-11-19 07:51:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:51:40,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2023-11-19 07:51:40,584 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:51:40,585 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:51:40,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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)
[2023-11-19 07:51:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:51:40,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:51:40,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:51:40,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:51:40,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:51:40,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:51:41,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:51:41,687 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2023-11-19 07:51:41,687 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2023-11-19 07:51:41,687 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2023-11-19 07:51:41,688 INFO L895 garLoopResultBuilder]: At program point L77-2(lines 77 226) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_17~0#1|)) (.cse18 (= (_ bv0 8) |ULTIMATE.start_main_~state_27~0#1|)) (.cse11 (= |ULTIMATE.start_main_~var_9~0#1| (_ bv0 8)))) (or (and .cse0 .cse1 (or (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse2))) |ULTIMATE.start_main_~state_31~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse3 .cse4))))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse4)) ((_ zero_extend 24) ((_ extract 7 0) .cse3)))))))) |ULTIMATE.start_main_~state_35~0#1|)))) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse5 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse5))) |ULTIMATE.start_main_~state_31~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse5) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 .cse7))))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse7)) ((_ zero_extend 24) ((_ extract 7 0) .cse6)))))))) |ULTIMATE.start_main_~state_35~0#1|))))) (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_23| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_6~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_23|) (_ bv1 32))))) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse8)) (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse9)))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse10))))))))))) (_ bv1 32))) |ULTIMATE.start_main_~state_12~0#1|) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 (bvneg .cse9)))))) .cse10))))))))))) (_ bv1 32))) |ULTIMATE.start_main_~state_10~0#1|)))) (exists ((|v_ULTIMATE.start_main_#t~nondet22#1_25| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_8~0#1| ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet22#1_25|))))) .cse11 (or (and (or (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) .cse12) |ULTIMATE.start_main_~state_21~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_38~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse13) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse12 (bvneg .cse14))))))))))))) (= ((_ extract 7 0) .cse14) |ULTIMATE.start_main_~state_23~0#1|))))))) (= ((_ extract 7 0) .cse13) |ULTIMATE.start_main_~state_25~0#1|)))) (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse15) |ULTIMATE.start_main_~state_25~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) .cse16) |ULTIMATE.start_main_~state_21~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse17) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse16 (bvneg .cse17)))))) .cse15)))))) |ULTIMATE.start_main_~state_38~0#1|))))))))))) .cse18) (and (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_23| (_ BitVec 8))) (let ((.cse19 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_23|) (_ bv1 32))))) (and (not (= .cse19 (_ bv0 8))) (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse19))))) |ULTIMATE.start_main_~state_27~0#1|)))) (or (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse20) |ULTIMATE.start_main_~state_25~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse21) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse20) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse21))))))))))) |ULTIMATE.start_main_~state_38~0#1|)))) (= ((_ extract 7 0) .cse22) |ULTIMATE.start_main_~state_21~0#1|))))))) (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse25 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) .cse23) |ULTIMATE.start_main_~state_21~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse24) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 .cse24))))))))))) |ULTIMATE.start_main_~state_38~0#1|))))))) (= ((_ extract 7 0) .cse25) |ULTIMATE.start_main_~state_25~0#1|)))))))) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_21~0#1|) .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|) .cse1 .cse18 (= (_ bv0 8) |ULTIMATE.start_main_~state_31~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_29~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_25~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_40~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_35~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_38~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_12~0#1|) .cse11 (= (_ bv0 8) |ULTIMATE.start_main_~state_33~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|))))
[2023-11-19 07:51:41,689 INFO L899 garLoopResultBuilder]: For program point L77-3(lines 77 226) no Hoare annotation was computed.
[2023-11-19 07:51:41,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:51:41,689 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 23 228) no Hoare annotation was computed.
[2023-11-19 07:51:41,689 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:51:41,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:51:41,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed.
[2023-11-19 07:51:41,693 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1]
[2023-11-19 07:51:41,695 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:51:41,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated
[2023-11-19 07:51:41,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated
[2023-11-19 07:51:41,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated
[2023-11-19 07:51:41,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0]))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_12~0 && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_10~0) could not be translated
[2023-11-19 07:51:41,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_25 : bv8 :: ~input_8~0 == ~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_25))[7:0]) could not be translated
[2023-11-19 07:51:41,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated
[2023-11-19 07:51:41,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0))) could not be translated
[2023-11-19 07:51:41,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0) could not be translated
[2023-11-19 07:51:41,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0)) could not be translated
[2023-11-19 07:51:41,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated
[2023-11-19 07:51:41,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:51:41 BoogieIcfgContainer
[2023-11-19 07:51:41,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:51:41,720 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:51:41,720 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:51:41,721 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:51:41,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:08" (3/4) ...
[2023-11-19 07:51:41,723 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:51:41,735 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:51:41,736 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:51:41,736 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:51:41,737 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:51:41,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:51:41,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:51:41,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:51:41,852 INFO L158 Benchmark]: Toolchain (without parser) took 34525.37ms. Allocated memory was 96.5MB in the beginning and 436.2MB in the end (delta: 339.7MB). Free memory was 71.9MB in the beginning and 241.3MB in the end (delta: -169.4MB). Peak memory consumption was 172.9MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,852 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 47.0MB in the end (delta: 61.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:51:41,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.53ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 56.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.92ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,853 INFO L158 Benchmark]: Boogie Preprocessor took 93.71ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 74.8MB in the end (delta: -21.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,854 INFO L158 Benchmark]: RCFGBuilder took 695.37ms. Allocated memory is still 96.5MB. Free memory was 74.8MB in the beginning and 51.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,854 INFO L158 Benchmark]: TraceAbstraction took 32913.71ms. Allocated memory was 96.5MB in the beginning and 436.2MB in the end (delta: 339.7MB). Free memory was 51.0MB in the beginning and 248.7MB in the end (delta: -197.6MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,855 INFO L158 Benchmark]: Witness Printer took 130.78ms. Allocated memory is still 436.2MB. Free memory was 248.7MB in the beginning and 241.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:51:41,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 47.0MB in the end (delta: 61.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 565.53ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 56.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 96.92ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 93.71ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 74.8MB in the end (delta: -21.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 695.37ms. Allocated memory is still 96.5MB. Free memory was 74.8MB in the beginning and 51.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 32913.71ms. Allocated memory was 96.5MB in the beginning and 436.2MB in the end (delta: 339.7MB). Free memory was 51.0MB in the beginning and 248.7MB in the end (delta: -197.6MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB.
* Witness Printer took 130.78ms. Allocated memory is still 436.2MB. Free memory was 248.7MB in the beginning and 241.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0]))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_12~0 && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_10~0) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_25 : bv8 :: ~input_8~0 == ~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_25))[7:0]) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0))) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0)) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated
* 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 14 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 5 NumberOfFragments, 426 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1399 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 1068 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.8s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 32 QuantifiedInterpolants, 24147 SizeOfPredicates, 256 NumberOfNonLiveVariables, 1022 ConjunctsInSsa, 269 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3/48 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: 77]: Loop Invariant
Derived loop invariant: ((((1 == mask_SORT_1) && (1 == var_17)) && (var_9 == 0)) || (((((((((((((((0 == state_21) && (1 == mask_SORT_1)) && (0 == state_10)) && (1 == var_17)) && (0 == state_27)) && (0 == state_31)) && (0 == state_29)) && (0 == state_25)) && (0 == state_40)) && (0 == state_35)) && (0 == state_38)) && (0 == state_12)) && (var_9 == 0)) && (0 == state_33)) && (0 == state_23)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:51:41,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3bd158-560e-427a-8cce-d220bfb6da79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE