./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.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_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/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_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/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_d1807183-c635-420e-b227-fee1d3ab4eae/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 83a0614c205e8509abb6374f77d17b7065a071e3abf638495a02812bdb5a5d68
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:05:51,680 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:05:51,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 08:05:51,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:05:51,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:05:51,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:05:51,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:05:51,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:05:51,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:05:51,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:05:51,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:05:51,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:05:51,788 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:05:51,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:05:51,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:05:51,790 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:05:51,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:05:51,791 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:05:51,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:05:51,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:05:51,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:05:51,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:05:51,794 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:05:51,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:05:51,796 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:05:51,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:05:51,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:05:51,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:05:51,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:51,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:05:51,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:05:51,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:05:51,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:05:51,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:05:51,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:05:51,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:05:51,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:05:51,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:05:51,803 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:05:51,803 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_d1807183-c635-420e-b227-fee1d3ab4eae/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83a0614c205e8509abb6374f77d17b7065a071e3abf638495a02812bdb5a5d68
[2023-11-19 08:05:52,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:05:52,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:05:52,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:05:52,140 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:05:52,142 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:05:52,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i
[2023-11-19 08:05:55,307 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:05:55,627 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:05:55,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i
[2023-11-19 08:05:55,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data/950dbb112/3152345108204e5abed4de689adcbd97/FLAGb18d0627d
[2023-11-19 08:05:55,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data/950dbb112/3152345108204e5abed4de689adcbd97
[2023-11-19 08:05:55,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:05:55,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:05:55,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:55,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:05:55,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:05:55,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:55" (1/1) ...
[2023-11-19 08:05:55,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460a2e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:55, skipping insertion in model container
[2023-11-19 08:05:55,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:55" (1/1) ...
[2023-11-19 08:05:55,746 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:05:55,908 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_d1807183-c635-420e-b227-fee1d3ab4eae/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i[913,926]
[2023-11-19 08:05:55,960 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:55,974 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:05:55,987 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_d1807183-c635-420e-b227-fee1d3ab4eae/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i[913,926]
[2023-11-19 08:05:56,016 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:56,036 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:05:56,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56 WrapperNode
[2023-11-19 08:05:56,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:56,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:56,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:05:56,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:05:56,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,111 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143
[2023-11-19 08:05:56,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:56,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:05:56,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:05:56,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:05:56,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:05:56,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:05:56,152 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:05:56,152 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:05:56,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (1/1) ...
[2023-11-19 08:05:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:56,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:05:56,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:05:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:05:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:05:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 08:05:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 08:05:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:05:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:05:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:05:56,399 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:05:56,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:05:56,796 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:05:56,807 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:05:56,811 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 08:05:56,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:56 BoogieIcfgContainer
[2023-11-19 08:05:56,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:05:56,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:05:56,843 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:05:56,847 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:05:56,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:55" (1/3) ...
[2023-11-19 08:05:56,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1b815e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:56, skipping insertion in model container
[2023-11-19 08:05:56,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:56" (2/3) ...
[2023-11-19 08:05:56,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1b815e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:56, skipping insertion in model container
[2023-11-19 08:05:56,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:56" (3/3) ...
[2023-11-19 08:05:56,850 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-30.i
[2023-11-19 08:05:56,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:05:56,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 08:05:56,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:05:56,949 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;@62bdff7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:05:56,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 08:05:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 45 states have (on average 1.511111111111111) internal successors, (68), 46 states have internal predecessors, (68), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 08:05:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-11-19 08:05:56,965 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:56,966 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:56,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:56,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:56,972 INFO L85 PathProgramCache]: Analyzing trace with hash -784794591, now seen corresponding path program 1 times
[2023-11-19 08:05:56,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:56,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707910329]
[2023-11-19 08:05:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 08:05:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 08:05:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 08:05:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 08:05:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 08:05:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 08:05:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 08:05:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:05:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2023-11-19 08:05:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 08:05:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 08:05:57,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:05:57,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707910329]
[2023-11-19 08:05:57,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707910329] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:05:57,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:05:57,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:05:57,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457104521]
[2023-11-19 08:05:57,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:05:57,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:05:57,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:05:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:05:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:05:57,387 INFO L87 Difference]: Start difference. First operand has 58 states, 45 states have (on average 1.511111111111111) internal successors, (68), 46 states have internal predecessors, (68), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 08:05:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:05:57,433 INFO L93 Difference]: Finished difference Result 109 states and 180 transitions.
[2023-11-19 08:05:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:05:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78
[2023-11-19 08:05:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:05:57,447 INFO L225 Difference]: With dead ends: 109
[2023-11-19 08:05:57,447 INFO L226 Difference]: Without dead ends: 54
[2023-11-19 08:05:57,452 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 08:05:57,461 INFO L413 NwaCegarLoop]: 81 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, 81 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 08:05:57,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:05:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 08:05:57,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 08:05:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 42 states have internal predecessors, (61), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 08:05:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions.
[2023-11-19 08:05:57,529 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 78
[2023-11-19 08:05:57,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:05:57,531 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions.
[2023-11-19 08:05:57,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 08:05:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions.
[2023-11-19 08:05:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-11-19 08:05:57,541 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:57,541 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:57,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:05:57,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:57,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:57,543 INFO L85 PathProgramCache]: Analyzing trace with hash -185818663, now seen corresponding path program 1 times
[2023-11-19 08:05:57,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:57,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915432075]
[2023-11-19 08:05:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 08:05:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 08:05:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 08:05:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 08:05:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 08:05:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 08:05:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 08:05:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:05:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2023-11-19 08:05:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 08:05:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 08:05:58,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:05:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915432075]
[2023-11-19 08:05:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915432075] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:05:58,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:05:58,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:05:58,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426495352]
[2023-11-19 08:05:58,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:05:58,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:05:58,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:05:58,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:05:58,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:05:58,142 INFO L87 Difference]: Start difference. First operand 54 states and 81 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:05:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:05:58,256 INFO L93 Difference]: Finished difference Result 181 states and 277 transitions.
[2023-11-19 08:05:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:05:58,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78
[2023-11-19 08:05:58,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:05:58,260 INFO L225 Difference]: With dead ends: 181
[2023-11-19 08:05:58,260 INFO L226 Difference]: Without dead ends: 130
[2023-11-19 08:05:58,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:05:58,263 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 104 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:05:58,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 255 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:05:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2023-11-19 08:05:58,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 103.
[2023-11-19 08:05:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:05:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions.
[2023-11-19 08:05:58,286 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 78
[2023-11-19 08:05:58,287 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:05:58,287 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions.
[2023-11-19 08:05:58,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:05:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions.
[2023-11-19 08:05:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2023-11-19 08:05:58,290 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:58,290 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:58,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:05:58,290 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:58,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:58,291 INFO L85 PathProgramCache]: Analyzing trace with hash -834475364, now seen corresponding path program 1 times
[2023-11-19 08:05:58,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:58,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768920091]
[2023-11-19 08:05:58,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:58,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 08:05:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 08:05:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 08:05:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 08:05:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 08:05:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 08:05:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 08:05:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:05:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2023-11-19 08:05:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 08:05:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2023-11-19 08:05:58,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:05:58,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768920091]
[2023-11-19 08:05:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768920091] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:05:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062524334]
[2023-11-19 08:05:58,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:58,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:05:58,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:05:58,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:05:58,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 08:05:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:58,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-11-19 08:05:58,846 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:05:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-11-19 08:05:59,369 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:05:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2023-11-19 08:05:59,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062524334] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:05:59,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:05:59,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13
[2023-11-19 08:05:59,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506198660]
[2023-11-19 08:05:59,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:05:59,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-19 08:05:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:05:59,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-19 08:05:59,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2023-11-19 08:05:59,614 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20)
[2023-11-19 08:06:00,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:00,009 INFO L93 Difference]: Finished difference Result 198 states and 288 transitions.
[2023-11-19 08:06:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-19 08:06:00,012 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 79
[2023-11-19 08:06:00,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:00,020 INFO L225 Difference]: With dead ends: 198
[2023-11-19 08:06:00,020 INFO L226 Difference]: Without dead ends: 147
[2023-11-19 08:06:00,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 171 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506
[2023-11-19 08:06:00,028 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 298 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:00,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 231 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:06:00,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2023-11-19 08:06:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119.
[2023-11-19 08:06:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:06:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions.
[2023-11-19 08:06:00,074 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 79
[2023-11-19 08:06:00,075 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:00,075 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions.
[2023-11-19 08:06:00,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20)
[2023-11-19 08:06:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions.
[2023-11-19 08:06:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2023-11-19 08:06:00,082 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:00,082 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:00,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:00,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:00,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:00,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:00,305 INFO L85 PathProgramCache]: Analyzing trace with hash 427770879, now seen corresponding path program 1 times
[2023-11-19 08:06:00,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:00,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617460336]
[2023-11-19 08:06:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 08:06:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 08:06:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 08:06:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 08:06:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 08:06:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 08:06:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 08:06:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:06:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2023-11-19 08:06:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 08:06:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 08:06:00,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617460336]
[2023-11-19 08:06:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617460336] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:00,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:00,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:06:00,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888621185]
[2023-11-19 08:06:00,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:00,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:00,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:00,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:00,419 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:00,470 INFO L93 Difference]: Finished difference Result 235 states and 327 transitions.
[2023-11-19 08:06:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:00,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80
[2023-11-19 08:06:00,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:00,475 INFO L225 Difference]: With dead ends: 235
[2023-11-19 08:06:00,476 INFO L226 Difference]: Without dead ends: 119
[2023-11-19 08:06:00,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 08:06:00,485 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 20 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:00,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 113 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2023-11-19 08:06:00,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2023-11-19 08:06:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 92 states have internal predecessors, (123), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:06:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 163 transitions.
[2023-11-19 08:06:00,531 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 163 transitions. Word has length 80
[2023-11-19 08:06:00,533 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:00,533 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 163 transitions.
[2023-11-19 08:06:00,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions.
[2023-11-19 08:06:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-19 08:06:00,535 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:00,535 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:00,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:06:00,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:00,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:00,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1244967451, now seen corresponding path program 1 times
[2023-11-19 08:06:00,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:00,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359906084]
[2023-11-19 08:06:00,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 08:06:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 08:06:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 08:06:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 08:06:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 08:06:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 08:06:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 08:06:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:06:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2023-11-19 08:06:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 08:06:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 08:06:01,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:01,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359906084]
[2023-11-19 08:06:01,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359906084] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:01,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:01,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:06:01,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141099574]
[2023-11-19 08:06:01,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:01,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:06:01,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:01,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:06:01,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:06:01,081 INFO L87 Difference]: Start difference. First operand 119 states and 163 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:01,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:01,198 INFO L93 Difference]: Finished difference Result 204 states and 282 transitions.
[2023-11-19 08:06:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:06:01,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 81
[2023-11-19 08:06:01,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:01,201 INFO L225 Difference]: With dead ends: 204
[2023-11-19 08:06:01,201 INFO L226 Difference]: Without dead ends: 145
[2023-11-19 08:06:01,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-11-19 08:06:01,203 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 54 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:01,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 275 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2023-11-19 08:06:01,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 123.
[2023-11-19 08:06:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 96 states have (on average 1.3229166666666667) internal successors, (127), 96 states have internal predecessors, (127), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:06:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions.
[2023-11-19 08:06:01,237 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 81
[2023-11-19 08:06:01,238 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:01,238 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions.
[2023-11-19 08:06:01,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions.
[2023-11-19 08:06:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-19 08:06:01,239 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:01,240 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:01,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:06:01,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:01,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:01,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1503132889, now seen corresponding path program 1 times
[2023-11-19 08:06:01,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:01,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217605011]
[2023-11-19 08:06:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:06:01,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:06:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:06:01,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:06:01,372 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 08:06:01,373 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 08:06:01,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:06:01,378 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:01,382 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:06:01,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
[2023-11-19 08:06:01,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated
[2023-11-19 08:06:01,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:06:01 BoogieIcfgContainer
[2023-11-19 08:06:01,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:06:01,465 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:06:01,465 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:06:01,466 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:06:01,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:56" (3/4) ...
[2023-11-19 08:06:01,468 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 08:06:01,470 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:06:01,471 INFO L158 Benchmark]: Toolchain (without parser) took 5802.45ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 84.7MB in the beginning and 83.1MB in the end (delta: 1.6MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB.
[2023-11-19 08:06:01,471 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:06:01,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.94ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 71.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 08:06:01,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.87ms. Allocated memory is still 130.0MB. Free memory was 71.5MB in the beginning and 69.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:06:01,473 INFO L158 Benchmark]: Boogie Preprocessor took 38.44ms. Allocated memory is still 130.0MB. Free memory was 69.0MB in the beginning and 67.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:06:01,473 INFO L158 Benchmark]: RCFGBuilder took 689.05ms. Allocated memory is still 130.0MB. Free memory was 67.4MB in the beginning and 100.5MB in the end (delta: -33.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB.
[2023-11-19 08:06:01,473 INFO L158 Benchmark]: TraceAbstraction took 4621.41ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 99.7MB in the beginning and 84.1MB in the end (delta: 15.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB.
[2023-11-19 08:06:01,474 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 169.9MB. Free memory was 84.1MB in the beginning and 83.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:06:01,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 356.94ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 71.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 73.87ms. Allocated memory is still 130.0MB. Free memory was 71.5MB in the beginning and 69.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 38.44ms. Allocated memory is still 130.0MB. Free memory was 69.0MB in the beginning and 67.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 689.05ms. Allocated memory is still 130.0MB. Free memory was 67.4MB in the beginning and 100.5MB in the end (delta: -33.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 4621.41ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 99.7MB in the beginning and 84.1MB in the end (delta: 15.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB.
* Witness Printer took 5.38ms. Allocated memory is still 169.9MB. Free memory was 84.1MB in the beginning and 83.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryArithmeticDOUBLEoperation at line 78.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 1;
[L23] unsigned char var_1_4 = 0;
[L24] double var_1_5 = 127.5;
[L25] double var_1_7 = 10000000000000.125;
[L26] double var_1_8 = 1.25;
[L27] double var_1_10 = 25.7;
[L28] signed long int var_1_11 = -2;
[L29] signed long int var_1_13 = 5;
[L30] signed long int var_1_14 = 128;
[L31] signed long int var_1_15 = 1000;
[L32] double var_1_16 = 0.2;
[L33] double var_1_17 = 0.25;
[L34] double var_1_18 = 99999999999999.5;
[L35] unsigned char last_1_var_1_1 = 1;
[L36] signed long int last_1_var_1_11 = -2;
[L37] signed long int last_1_var_1_15 = 1000;
[L38] double last_1_var_1_16 = 0.2;
VAL [isInitial=0, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L124] isInitial = 1
[L125] FCALL initially()
[L126] COND TRUE 1
[L127] CALL updateLastVariables()
[L114] last_1_var_1_1 = var_1_1
[L115] last_1_var_1_11 = var_1_11
[L116] last_1_var_1_15 = var_1_15
[L117] last_1_var_1_16 = var_1_16
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L127] RET updateLastVariables()
[L128] CALL updateVariables()
[L95] var_1_4 = __VERIFIER_nondet_uchar()
[L96] CALL assume_abort_if_not(var_1_4 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L96] RET assume_abort_if_not(var_1_4 >= 1)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L97] CALL assume_abort_if_not(var_1_4 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L97] RET assume_abort_if_not(var_1_4 <= 1)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4]
[L98] var_1_7 = __VERIFIER_nondet_double()
[L99] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L99] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L100] var_1_10 = __VERIFIER_nondet_double()
[L101] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L101] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L102] var_1_13 = __VERIFIER_nondet_long()
[L103] CALL assume_abort_if_not(var_1_13 >= -1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L103] RET assume_abort_if_not(var_1_13 >= -1)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L104] CALL assume_abort_if_not(var_1_13 <= 2147483646)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L104] RET assume_abort_if_not(var_1_13 <= 2147483646)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L105] var_1_14 = __VERIFIER_nondet_long()
[L106] CALL assume_abort_if_not(var_1_14 >= -2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L106] RET assume_abort_if_not(var_1_14 >= -2147483647)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L107] CALL assume_abort_if_not(var_1_14 <= 2147483646)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L107] RET assume_abort_if_not(var_1_14 <= 2147483646)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L108] var_1_17 = __VERIFIER_nondet_double()
[L109] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L109] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L110] var_1_18 = __VERIFIER_nondet_double()
[L111] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L111] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L128] RET updateVariables()
[L129] CALL step()
[L42] COND TRUE \read(last_1_var_1_1)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L43] COND TRUE ((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16
[L44] var_1_11 = ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L49] signed long int stepLocal_0 = last_1_var_1_11;
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L50] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0
[L51] var_1_1 = var_1_4
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L53] signed long int stepLocal_2 = var_1_11;
[L54] unsigned char stepLocal_1 = var_1_1;
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L55] COND TRUE \read(var_1_1)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L56] COND TRUE var_1_11 >= stepLocal_2
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4]
[L57] COND TRUE stepLocal_1 || (var_1_11 < var_1_11)
[L58] var_1_5 = var_1_7
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4]
[L64] EXPR var_1_11 & var_1_13
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4]
[L64] COND FALSE !((- var_1_11) > (var_1_11 & var_1_13))
[L75] var_1_15 = var_1_13
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4]
[L77] COND TRUE ((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7
[L78] var_1_16 = (var_1_17 + (var_1_18 + 16.75))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4]
[L82] COND FALSE !(10.55f < var_1_16)
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4]
[L87] COND TRUE var_1_16 > var_1_7
[L88] var_1_8 = var_1_10
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007]
[L129] RET step()
[L130] CALL, EXPR property()
[L120] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))
VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007]
[L120-L121] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17)))
;
[L130] RET, EXPR property()
[L130] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=4, var_1_14=0, var_1_15=4, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 477 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 476 mSDsluCounter, 955 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 208 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 401 mSDtfsCounter, 208 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 272 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 1931 SizeOfPredicates, 5 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1158/1260 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 08:06:01,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/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_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/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 83a0614c205e8509abb6374f77d17b7065a071e3abf638495a02812bdb5a5d68
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:06:04,115 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:06:04,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 08:06:04,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:06:04,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:06:04,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:06:04,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:06:04,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:06:04,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:06:04,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:06:04,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:06:04,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:06:04,239 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:06:04,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:06:04,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:06:04,241 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:06:04,242 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:06:04,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:06:04,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:06:04,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:06:04,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:06:04,245 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 08:06:04,245 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 08:06:04,246 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 08:06:04,246 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:06:04,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:06:04,247 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:06:04,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:06:04,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:06:04,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:06:04,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:04,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:06:04,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:06:04,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:06:04,250 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 08:06:04,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 08:06:04,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:06:04,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:06:04,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:06:04,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:06:04,251 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 08:06:04,252 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:06:04,252 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_d1807183-c635-420e-b227-fee1d3ab4eae/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83a0614c205e8509abb6374f77d17b7065a071e3abf638495a02812bdb5a5d68
[2023-11-19 08:06:04,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:06:04,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:06:04,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:06:04,689 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:06:04,689 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:06:04,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i
[2023-11-19 08:06:08,015 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:06:08,334 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:06:08,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i
[2023-11-19 08:06:08,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data/88e2cc687/a5b2db3aaa6443c5afe7e00d7df70732/FLAGa5221d3ac
[2023-11-19 08:06:08,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/data/88e2cc687/a5b2db3aaa6443c5afe7e00d7df70732
[2023-11-19 08:06:08,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:06:08,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:06:08,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:08,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:06:08,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:06:08,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4d6ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08, skipping insertion in model container
[2023-11-19 08:06:08,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,436 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:06:08,592 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_d1807183-c635-420e-b227-fee1d3ab4eae/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i[913,926]
[2023-11-19 08:06:08,641 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:08,658 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:06:08,671 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_d1807183-c635-420e-b227-fee1d3ab4eae/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-30.i[913,926]
[2023-11-19 08:06:08,695 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:08,716 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:06:08,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08 WrapperNode
[2023-11-19 08:06:08,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:08,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:08,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:06:08,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:06:08,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,801 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116
[2023-11-19 08:06:08,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:08,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:06:08,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:06:08,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:06:08,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:06:08,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:06:08,922 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:06:08,922 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:06:08,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (1/1) ...
[2023-11-19 08:06:08,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:08,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:08,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:08,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:06:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:06:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 08:06:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 08:06:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 08:06:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:06:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:06:09,110 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:06:09,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:06:16,396 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:06:16,415 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:06:16,415 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 08:06:16,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:16 BoogieIcfgContainer
[2023-11-19 08:06:16,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:06:16,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:06:16,423 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:06:16,432 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:06:16,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:08" (1/3) ...
[2023-11-19 08:06:16,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5847fc53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:16, skipping insertion in model container
[2023-11-19 08:06:16,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:08" (2/3) ...
[2023-11-19 08:06:16,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5847fc53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:16, skipping insertion in model container
[2023-11-19 08:06:16,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:16" (3/3) ...
[2023-11-19 08:06:16,435 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-30.i
[2023-11-19 08:06:16,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:06:16,460 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 08:06:16,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:06:16,525 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;@54f0e2d0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:06:16,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 08:06:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 08:06:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2023-11-19 08:06:16,544 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:16,545 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:16,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:16,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:16,552 INFO L85 PathProgramCache]: Analyzing trace with hash 8599864, now seen corresponding path program 1 times
[2023-11-19 08:06:16,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:06:16,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376013104]
[2023-11-19 08:06:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:16,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:06:16,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-19 08:06:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:17,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 08:06:17,245 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2023-11-19 08:06:17,285 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:06:17,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:06:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376013104]
[2023-11-19 08:06:17,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376013104] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:17,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:17,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936473946]
[2023-11-19 08:06:17,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:17,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:06:17,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:06:17,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:06:17,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:06:17,345 INFO L87 Difference]: Start difference. First operand has 51 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 08:06:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:17,399 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions.
[2023-11-19 08:06:17,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:06:17,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75
[2023-11-19 08:06:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:17,409 INFO L225 Difference]: With dead ends: 95
[2023-11-19 08:06:17,409 INFO L226 Difference]: Without dead ends: 47
[2023-11-19 08:06:17,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 08:06:17,417 INFO L413 NwaCegarLoop]: 69 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, 69 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 08:06:17,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-19 08:06:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2023-11-19 08:06:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 08:06:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions.
[2023-11-19 08:06:17,464 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 75
[2023-11-19 08:06:17,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:17,465 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions.
[2023-11-19 08:06:17,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 08:06:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions.
[2023-11-19 08:06:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2023-11-19 08:06:17,470 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:17,470 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:17,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-11-19 08:06:17,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:17,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:17,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:17,686 INFO L85 PathProgramCache]: Analyzing trace with hash -657445248, now seen corresponding path program 1 times
[2023-11-19 08:06:17,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:06:17,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254534147]
[2023-11-19 08:06:17,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:17,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:17,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:06:17,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:17,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-19 08:06:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:18,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 08:06:18,279 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 08:06:19,072 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:06:19,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:06:19,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254534147]
[2023-11-19 08:06:19,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254534147] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:19,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:19,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:06:19,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783952172]
[2023-11-19 08:06:19,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:19,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:06:19,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:06:19,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:06:19,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:06:19,077 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:21,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:23,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:25,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:27,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:29,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:29,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:29,981 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions.
[2023-11-19 08:06:30,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:06:30,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75
[2023-11-19 08:06:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:30,027 INFO L225 Difference]: With dead ends: 153
[2023-11-19 08:06:30,028 INFO L226 Difference]: Without dead ends: 109
[2023-11-19 08:06:30,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:06:30,030 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 77 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 23 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:30,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 208 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 15 Invalid, 5 Unknown, 0 Unchecked, 10.8s Time]
[2023-11-19 08:06:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2023-11-19 08:06:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 89.
[2023-11-19 08:06:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:06:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 131 transitions.
[2023-11-19 08:06:30,064 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 131 transitions. Word has length 75
[2023-11-19 08:06:30,065 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:30,065 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 131 transitions.
[2023-11-19 08:06:30,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions.
[2023-11-19 08:06:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 08:06:30,074 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:30,074 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:30,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:30,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:30,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:30,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:30,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1180210163, now seen corresponding path program 1 times
[2023-11-19 08:06:30,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:06:30,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963687171]
[2023-11-19 08:06:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:30,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:06:30,298 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:30,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-19 08:06:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:30,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 08:06:30,869 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-11-19 08:06:32,425 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:06:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2023-11-19 08:06:33,275 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:06:33,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963687171]
[2023-11-19 08:06:33,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963687171] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:06:33,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 08:06:33,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12
[2023-11-19 08:06:33,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449429620]
[2023-11-19 08:06:33,276 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:06:33,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-19 08:06:33,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:06:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-19 08:06:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2023-11-19 08:06:33,286 INFO L87 Difference]: Start difference. First operand 89 states and 131 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20)
[2023-11-19 08:06:36,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:38,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:40,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:42,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:44,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:44,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:44,728 INFO L93 Difference]: Finished difference Result 151 states and 211 transitions.
[2023-11-19 08:06:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-19 08:06:44,729 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 76
[2023-11-19 08:06:44,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:44,732 INFO L225 Difference]: With dead ends: 151
[2023-11-19 08:06:44,732 INFO L226 Difference]: Without dead ends: 107
[2023-11-19 08:06:44,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380
[2023-11-19 08:06:44,735 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 123 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 41 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:44,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 171 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 119 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time]
[2023-11-19 08:06:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-11-19 08:06:44,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105.
[2023-11-19 08:06:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.294871794871795) internal successors, (101), 78 states have internal predecessors, (101), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:06:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions.
[2023-11-19 08:06:44,759 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 76
[2023-11-19 08:06:44,760 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:44,760 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions.
[2023-11-19 08:06:44,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20)
[2023-11-19 08:06:44,761 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions.
[2023-11-19 08:06:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2023-11-19 08:06:44,763 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:44,763 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:44,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:44,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:44,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:44,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash 317856794, now seen corresponding path program 1 times
[2023-11-19 08:06:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:06:44,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015747201]
[2023-11-19 08:06:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:44,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:44,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:06:44,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:44,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-11-19 08:06:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:45,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 08:06:45,520 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 08:06:45,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:06:45,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:06:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015747201]
[2023-11-19 08:06:45,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015747201] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:45,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:45,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:06:45,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239664993]
[2023-11-19 08:06:45,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:45,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:45,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:06:45,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:45,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:45,577 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:47,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:49,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 08:06:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:49,817 INFO L93 Difference]: Finished difference Result 207 states and 279 transitions.
[2023-11-19 08:06:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:49,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 77
[2023-11-19 08:06:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:49,820 INFO L225 Difference]: With dead ends: 207
[2023-11-19 08:06:49,820 INFO L226 Difference]: Without dead ends: 105
[2023-11-19 08:06:49,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 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 08:06:49,823 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:49,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 100 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time]
[2023-11-19 08:06:49,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2023-11-19 08:06:49,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105.
[2023-11-19 08:06:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:06:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 139 transitions.
[2023-11-19 08:06:49,846 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 139 transitions. Word has length 77
[2023-11-19 08:06:49,847 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:49,847 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 139 transitions.
[2023-11-19 08:06:49,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-11-19 08:06:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions.
[2023-11-19 08:06:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-11-19 08:06:49,850 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:49,850 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:49,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:50,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:50,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:50,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:50,066 INFO L85 PathProgramCache]: Analyzing trace with hash -538392732, now seen corresponding path program 1 times
[2023-11-19 08:06:50,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:06:50,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153603408]
[2023-11-19 08:06:50,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:50,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 08:06:50,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:06:50,069 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:50,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1807183-c635-420e-b227-fee1d3ab4eae/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-11-19 08:06:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:50,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-19 08:06:50,598 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-11-19 08:06:52,067 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:06:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2023-11-19 08:06:52,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:06:52,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153603408]
[2023-11-19 08:06:52,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153603408] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:06:52,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 08:06:52,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14
[2023-11-19 08:06:52,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049779523]
[2023-11-19 08:06:52,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:06:52,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 08:06:52,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:06:52,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 08:06:52,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182
[2023-11-19 08:06:52,902 INFO L87 Difference]: Start difference. First operand 105 states and 139 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20)