./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-76.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/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_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/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 32bit --witnessprinter.graph.data.programhash 53f56ada378bb0c37d2572871baea3e6e471c6fc42badf64010dad779eb8adc8
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:36:44,736 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:36:44,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:36:44,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:36:44,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:36:44,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:36:44,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:36:44,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:36:44,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:36:44,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:36:44,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:36:44,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:36:44,843 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:36:44,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:36:44,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:36:44,845 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:36:44,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:36:44,846 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:36:44,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:36:44,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:36:44,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:36:44,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:36:44,849 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:36:44,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:36:44,850 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:36:44,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:36:44,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:36:44,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:36:44,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:44,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:36:44,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:36:44,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:36:44,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:36:44,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:36:44,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:36:44,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:36:44,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:36:44,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:36:44,855 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:36:44,856 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53f56ada378bb0c37d2572871baea3e6e471c6fc42badf64010dad779eb8adc8
[2023-11-19 07:36:45,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:36:45,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:36:45,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:36:45,232 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:36:45,232 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:36:45,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-76.i
[2023-11-19 07:36:48,335 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:36:48,578 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:36:48,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-76.i
[2023-11-19 07:36:48,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/data/1216c4a71/3c66ea90b0154055b347b4cb631bce99/FLAG62f619a67
[2023-11-19 07:36:48,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/data/1216c4a71/3c66ea90b0154055b347b4cb631bce99
[2023-11-19 07:36:48,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:36:48,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:36:48,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:48,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:36:48,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:36:48,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:48,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503dd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48, skipping insertion in model container
[2023-11-19 07:36:48,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:48,662 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:36:48,823 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_bb9aee6e-6387-4ac7-9554-03f586cc493b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-76.i[913,926]
[2023-11-19 07:36:48,875 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:48,889 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:36:48,899 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_bb9aee6e-6387-4ac7-9554-03f586cc493b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-76.i[913,926]
[2023-11-19 07:36:48,921 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:48,938 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:36:48,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48 WrapperNode
[2023-11-19 07:36:48,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:48,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:48,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:36:48,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:36:48,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:48,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:48,986 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110
[2023-11-19 07:36:48,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:48,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:36:48,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:36:48,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:36:48,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:48,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:36:49,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:36:49,021 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:36:49,021 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:36:49,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (1/1) ...
[2023-11-19 07:36:49,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:49,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:49,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:49,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:36:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:36:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:36:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:36:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:36:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:36:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:36:49,236 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:36:49,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:36:49,577 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:36:49,589 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:36:49,590 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:36:49,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:49 BoogieIcfgContainer
[2023-11-19 07:36:49,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:36:49,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:36:49,597 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:36:49,604 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:36:49,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:48" (1/3) ...
[2023-11-19 07:36:49,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e99aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:49, skipping insertion in model container
[2023-11-19 07:36:49,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48" (2/3) ...
[2023-11-19 07:36:49,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e99aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:49, skipping insertion in model container
[2023-11-19 07:36:49,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:49" (3/3) ...
[2023-11-19 07:36:49,607 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-76.i
[2023-11-19 07:36:49,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:36:49,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:36:49,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:36:49,716 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;@3a21dbfc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:36:49,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:36:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:36:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-11-19 07:36:49,740 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:49,742 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:49,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:49,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:49,752 INFO L85 PathProgramCache]: Analyzing trace with hash -286747828, now seen corresponding path program 1 times
[2023-11-19 07:36:49,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:49,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849197146]
[2023-11-19 07:36:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-19 07:36:50,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:50,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849197146]
[2023-11-19 07:36:50,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849197146] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:50,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:50,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:36:50,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487668505]
[2023-11-19 07:36:50,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:50,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:36:50,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:50,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:36:50,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:50,313 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:50,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:50,346 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions.
[2023-11-19 07:36:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:36:50,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97
[2023-11-19 07:36:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:50,358 INFO L225 Difference]: With dead ends: 95
[2023-11-19 07:36:50,358 INFO L226 Difference]: Without dead ends: 47
[2023-11-19 07:36:50,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:50,367 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:50,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:50,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-19 07:36:50,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2023-11-19 07:36:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:36:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions.
[2023-11-19 07:36:50,417 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 97
[2023-11-19 07:36:50,420 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:50,420 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions.
[2023-11-19 07:36:50,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions.
[2023-11-19 07:36:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2023-11-19 07:36:50,426 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:50,426 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:50,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:36:50,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:50,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash 357321277, now seen corresponding path program 1 times
[2023-11-19 07:36:50,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:50,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044758069]
[2023-11-19 07:36:50,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-19 07:36:50,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044758069]
[2023-11-19 07:36:50,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044758069] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:50,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:50,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:36:50,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872989075]
[2023-11-19 07:36:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:50,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:50,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:50,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:50,771 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:50,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:50,820 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions.
[2023-11-19 07:36:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:36:50,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 98
[2023-11-19 07:36:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:50,824 INFO L225 Difference]: With dead ends: 91
[2023-11-19 07:36:50,827 INFO L226 Difference]: Without dead ends: 47
[2023-11-19 07:36:50,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:50,830 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 15 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:50,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 114 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-19 07:36:50,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2023-11-19 07:36:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:36:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions.
[2023-11-19 07:36:50,854 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 98
[2023-11-19 07:36:50,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:50,856 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions.
[2023-11-19 07:36:50,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions.
[2023-11-19 07:36:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2023-11-19 07:36:50,859 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:50,859 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:50,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:36:50,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:50,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash -35705733, now seen corresponding path program 1 times
[2023-11-19 07:36:50,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:50,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884836713]
[2023-11-19 07:36:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-19 07:36:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884836713]
[2023-11-19 07:36:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884836713] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:51,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:51,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:36:51,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314162322]
[2023-11-19 07:36:51,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:51,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:51,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:51,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:51,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:51,172 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:51,214 INFO L93 Difference]: Finished difference Result 91 states and 131 transitions.
[2023-11-19 07:36:51,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:36:51,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 98
[2023-11-19 07:36:51,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:51,221 INFO L225 Difference]: With dead ends: 91
[2023-11-19 07:36:51,223 INFO L226 Difference]: Without dead ends: 47
[2023-11-19 07:36:51,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:51,228 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:51,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 116 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:51,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-19 07:36:51,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2023-11-19 07:36:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:36:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions.
[2023-11-19 07:36:51,246 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 98
[2023-11-19 07:36:51,247 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:51,247 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions.
[2023-11-19 07:36:51,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions.
[2023-11-19 07:36:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:36:51,257 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:51,258 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:51,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:36:51,260 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:51,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:51,260 INFO L85 PathProgramCache]: Analyzing trace with hash -105577621, now seen corresponding path program 1 times
[2023-11-19 07:36:51,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:51,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862209169]
[2023-11-19 07:36:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-19 07:36:51,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:51,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862209169]
[2023-11-19 07:36:51,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862209169] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:51,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:51,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:36:51,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887561770]
[2023-11-19 07:36:51,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:51,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:51,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:51,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:51,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:51,435 INFO L87 Difference]: Start difference. First operand 47 states and 66 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:51,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:51,505 INFO L93 Difference]: Finished difference Result 131 states and 185 transitions.
[2023-11-19 07:36:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:36:51,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99
[2023-11-19 07:36:51,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:51,513 INFO L225 Difference]: With dead ends: 131
[2023-11-19 07:36:51,513 INFO L226 Difference]: Without dead ends: 87
[2023-11-19 07:36:51,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:51,524 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 56 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:51,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 125 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2023-11-19 07:36:51,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 51.
[2023-11-19 07:36:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:36:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions.
[2023-11-19 07:36:51,541 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 99
[2023-11-19 07:36:51,541 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:51,541 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions.
[2023-11-19 07:36:51,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions.
[2023-11-19 07:36:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:36:51,547 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:51,548 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:51,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:36:51,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:51,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:51,549 INFO L85 PathProgramCache]: Analyzing trace with hash -48319319, now seen corresponding path program 1 times
[2023-11-19 07:36:51,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:51,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107444409]
[2023-11-19 07:36:51,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:51,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-19 07:36:53,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:53,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107444409]
[2023-11-19 07:36:53,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107444409] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:53,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:53,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-11-19 07:36:53,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151811899]
[2023-11-19 07:36:53,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:53,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:36:53,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:53,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:36:53,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:36:53,199 INFO L87 Difference]: Start difference. First operand 51 states and 70 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:53,847 INFO L93 Difference]: Finished difference Result 179 states and 243 transitions.
[2023-11-19 07:36:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2023-11-19 07:36:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99
[2023-11-19 07:36:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:53,850 INFO L225 Difference]: With dead ends: 179
[2023-11-19 07:36:53,850 INFO L226 Difference]: Without dead ends: 131
[2023-11-19 07:36:53,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210
[2023-11-19 07:36:53,852 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 108 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:53,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 394 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-19 07:36:53,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2023-11-19 07:36:53,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 76.
[2023-11-19 07:36:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 56 states have internal predecessors, (64), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:36:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions.
[2023-11-19 07:36:53,871 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 99
[2023-11-19 07:36:53,872 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:53,872 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions.
[2023-11-19 07:36:53,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions.
[2023-11-19 07:36:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2023-11-19 07:36:53,874 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:53,874 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:53,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:36:53,875 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:53,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:53,875 INFO L85 PathProgramCache]: Analyzing trace with hash 786500757, now seen corresponding path program 1 times
[2023-11-19 07:36:53,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:53,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038188828]
[2023-11-19 07:36:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:53,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2023-11-19 07:36:54,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:54,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038188828]
[2023-11-19 07:36:54,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038188828] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:36:54,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475207965]
[2023-11-19 07:36:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:36:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:54,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:36:54,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:36:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:54,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:36:54,364 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:36:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 204 proven. 27 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2023-11-19 07:36:54,555 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:36:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2023-11-19 07:36:54,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475207965] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:36:54,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:36:54,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9
[2023-11-19 07:36:54,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979028272]
[2023-11-19 07:36:54,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:36:54,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 07:36:54,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:54,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 07:36:54,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:36:54,770 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2023-11-19 07:36:55,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:55,295 INFO L93 Difference]: Finished difference Result 189 states and 241 transitions.
[2023-11-19 07:36:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2023-11-19 07:36:55,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 100
[2023-11-19 07:36:55,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:55,298 INFO L225 Difference]: With dead ends: 189
[2023-11-19 07:36:55,299 INFO L226 Difference]: Without dead ends: 116
[2023-11-19 07:36:55,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462
[2023-11-19 07:36:55,300 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 68 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:55,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 181 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-19 07:36:55,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2023-11-19 07:36:55,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 70.
[2023-11-19 07:36:55,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 49 states have internal predecessors, (50), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:36:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions.
[2023-11-19 07:36:55,322 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 100
[2023-11-19 07:36:55,322 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:55,322 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions.
[2023-11-19 07:36:55,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2023-11-19 07:36:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions.
[2023-11-19 07:36:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2023-11-19 07:36:55,324 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:55,324 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:55,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:36:55,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:36:55,538 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:55,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:55,539 INFO L85 PathProgramCache]: Analyzing trace with hash 216621469, now seen corresponding path program 1 times
[2023-11-19 07:36:55,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:55,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365728978]
[2023-11-19 07:36:55,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:55,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:36:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:36:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:36:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:36:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:36:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 07:36:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:36:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:36:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:36:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2023-11-19 07:36:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:36:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-11-19 07:36:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:36:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-19 07:36:56,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:56,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365728978]
[2023-11-19 07:36:56,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365728978] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:56,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:56,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-11-19 07:36:56,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636747113]
[2023-11-19 07:36:56,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:56,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:36:56,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:56,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:36:56,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:36:56,455 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:56,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:56,754 INFO L93 Difference]: Finished difference Result 121 states and 151 transitions.
[2023-11-19 07:36:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-19 07:36:56,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100
[2023-11-19 07:36:56,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:56,757 INFO L225 Difference]: With dead ends: 121
[2023-11-19 07:36:56,758 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:36:56,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:36:56,761 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 56 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:56,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 557 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:36:56,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:36:56,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:36:56,763 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 07:36:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:36:56,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100
[2023-11-19 07:36:56,763 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:56,764 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:36:56,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-19 07:36:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:36:56,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:36:56,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:36:56,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:36:56,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:36:57,076 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,077 INFO L895 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 103 114) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point L94(lines 71 95) no Hoare annotation was computed.
[2023-11-19 07:36:57,077 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,078 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 70) no Hoare annotation was computed.
[2023-11-19 07:36:57,078 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed.
[2023-11-19 07:36:57,078 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,078 INFO L895 garLoopResultBuilder]: At program point L87-1(line 87) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,078 INFO L902 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: true
[2023-11-19 07:36:57,078 INFO L902 garLoopResultBuilder]: At program point L79-1(line 79) the Hoare annotation is: true
[2023-11-19 07:36:57,078 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,078 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed.
[2023-11-19 07:36:57,078 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 53) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 37 70) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 60) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L899 garLoopResultBuilder]: For program point L56-1(lines 37 70) no Hoare annotation was computed.
[2023-11-19 07:36:57,079 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,079 INFO L895 garLoopResultBuilder]: At program point L73-1(line 73) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,079 INFO L895 garLoopResultBuilder]: At program point L106-2(lines 106 112) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,080 INFO L899 garLoopResultBuilder]: For program point L106-3(lines 106 112) no Hoare annotation was computed.
[2023-11-19 07:36:57,080 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,080 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,080 INFO L895 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,080 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 59) no Hoare annotation was computed.
[2023-11-19 07:36:57,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed.
[2023-11-19 07:36:57,080 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,080 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 99 102) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L899 garLoopResultBuilder]: For program point L50-2(lines 44 54) no Hoare annotation was computed.
[2023-11-19 07:36:57,081 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,081 INFO L895 garLoopResultBuilder]: At program point L84-1(line 84) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,082 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,082 INFO L895 garLoopResultBuilder]: At program point L76-1(line 76) the Hoare annotation is: (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))
[2023-11-19 07:36:57,082 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 36) no Hoare annotation was computed.
[2023-11-19 07:36:57,082 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true
[2023-11-19 07:36:57,082 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed.
[2023-11-19 07:36:57,082 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed.
[2023-11-19 07:36:57,082 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed.
[2023-11-19 07:36:57,087 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:57,089 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:36:57,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:57 BoogieIcfgContainer
[2023-11-19 07:36:57,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:36:57,103 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:36:57,103 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:36:57,103 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:36:57,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:49" (3/4) ...
[2023-11-19 07:36:57,106 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:36:57,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2023-11-19 07:36:57,121 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2023-11-19 07:36:57,121 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:36:57,122 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:36:57,122 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:36:57,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:36:57,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:36:57,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:36:57,244 INFO L158 Benchmark]: Toolchain (without parser) took 8634.90ms. Allocated memory was 203.4MB in the beginning and 276.8MB in the end (delta: 73.4MB). Free memory was 158.4MB in the beginning and 138.9MB in the end (delta: 19.4MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,244 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 203.4MB. Free memory was 179.3MB in the beginning and 179.0MB in the end (delta: 344.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:57,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.58ms. Allocated memory is still 203.4MB. Free memory was 158.0MB in the beginning and 145.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.68ms. Allocated memory is still 203.4MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,246 INFO L158 Benchmark]: Boogie Preprocessor took 32.74ms. Allocated memory is still 203.4MB. Free memory was 143.3MB in the beginning and 142.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:57,246 INFO L158 Benchmark]: RCFGBuilder took 573.27ms. Allocated memory is still 203.4MB. Free memory was 141.6MB in the beginning and 126.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,247 INFO L158 Benchmark]: TraceAbstraction took 7505.58ms. Allocated memory was 203.4MB in the beginning and 276.8MB in the end (delta: 73.4MB). Free memory was 126.1MB in the beginning and 145.2MB in the end (delta: -19.1MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,247 INFO L158 Benchmark]: Witness Printer took 140.22ms. Allocated memory is still 276.8MB. Free memory was 144.2MB in the beginning and 138.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.86ms. Allocated memory is still 203.4MB. Free memory was 179.3MB in the beginning and 179.0MB in the end (delta: 344.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 328.58ms. Allocated memory is still 203.4MB. Free memory was 158.0MB in the beginning and 145.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.68ms. Allocated memory is still 203.4MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.74ms. Allocated memory is still 203.4MB. Free memory was 143.3MB in the beginning and 142.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 573.27ms. Allocated memory is still 203.4MB. Free memory was 141.6MB in the beginning and 126.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 7505.58ms. Allocated memory was 203.4MB in the beginning and 276.8MB in the end (delta: 73.4MB). Free memory was 126.1MB in the beginning and 145.2MB in the end (delta: -19.1MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB.
* Witness Printer took 140.22ms. Allocated memory is still 276.8MB. Free memory was 144.2MB in the beginning and 138.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: 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 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 7, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 342 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 310 mSDsluCounter, 1555 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1005 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 613 IncrementalHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 550 mSDtfsCounter, 613 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 426 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=5, InterpolantAutomatonStates: 58, 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, 7 MinimizatonAttempts, 137 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 142 PreInvPairs, 179 NumberOfFragments, 101 HoareAnnotationTreeSize, 142 FomulaSimplifications, 2266 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 17 FomulaSimplificationsInter, 1321 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 791 NumberOfCodeBlocks, 791 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 2041 SizeOfPredicates, 4 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 3699/3780 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: 106]: Loop Invariant
Derived loop invariant: (var_1_5 == ((var_1_5 / 256) * 256))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:36:57,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb9aee6e-6387-4ac7-9554-03f586cc493b/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
Writing output log to file Ultimate.log
Result:
TRUE