./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/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_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/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_003b2525-88ec-42e1-b95a-45e69ef1176f/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 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:53:56,986 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:53:57,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:53:57,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:53:57,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:53:57,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:53:57,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:53:57,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:53:57,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:53:57,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:53:57,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:53:57,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:53:57,173 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:53:57,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:53:57,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:53:57,176 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:53:57,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:53:57,177 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:53:57,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:53:57,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:53:57,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:53:57,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:53:57,180 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:53:57,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:53:57,181 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:53:57,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:53:57,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:53:57,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:53:57,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:53:57,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:53:57,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:53:57,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:53:57,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:53:57,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:53:57,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:53:57,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:53:57,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:53:57,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:53:57,188 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:53:57,188 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_003b2525-88ec-42e1-b95a-45e69ef1176f/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831
[2023-11-19 07:53:57,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:53:57,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:53:57,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:53:57,489 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:53:57,490 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:53:57,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i
[2023-11-19 07:54:00,768 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:54:01,092 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:54:01,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i
[2023-11-19 07:54:01,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data/e0b7087ee/0fd678379a884a49927b4a681333d6ad/FLAGcfaf146c5
[2023-11-19 07:54:01,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data/e0b7087ee/0fd678379a884a49927b4a681333d6ad
[2023-11-19 07:54:01,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:54:01,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:54:01,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:01,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:54:01,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:54:01,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcd20cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01, skipping insertion in model container
[2023-11-19 07:54:01,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,198 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:54:01,395 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_003b2525-88ec-42e1-b95a-45e69ef1176f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i[913,926]
[2023-11-19 07:54:01,466 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:01,488 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:54:01,500 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_003b2525-88ec-42e1-b95a-45e69ef1176f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i[913,926]
[2023-11-19 07:54:01,542 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:01,560 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:54:01,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01 WrapperNode
[2023-11-19 07:54:01,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:01,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:01,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:54:01,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:54:01,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,632 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114
[2023-11-19 07:54:01,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:01,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:54:01,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:54:01,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:54:01,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:54:01,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:54:01,675 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:54:01,675 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:54:01,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:01,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:01,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:01,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:54:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:54:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:54:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:54:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:54:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:54:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:54:01,893 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:54:01,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:54:02,288 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:54:02,309 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:54:02,309 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:54:02,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:02 BoogieIcfgContainer
[2023-11-19 07:54:02,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:54:02,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:54:02,321 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:54:02,324 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:54:02,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:01" (1/3) ...
[2023-11-19 07:54:02,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1831937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:02, skipping insertion in model container
[2023-11-19 07:54:02,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (2/3) ...
[2023-11-19 07:54:02,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1831937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:02, skipping insertion in model container
[2023-11-19 07:54:02,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:02" (3/3) ...
[2023-11-19 07:54:02,330 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-89.i
[2023-11-19 07:54:02,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:54:02,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:54:02,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:54:02,402 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;@1edede13, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:54:02,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:54:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:54:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:02,419 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:02,420 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:02,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:02,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:02,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1954295536, now seen corresponding path program 1 times
[2023-11-19 07:54:02,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:02,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729660726]
[2023-11-19 07:54:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:02,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:02,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:02,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729660726]
[2023-11-19 07:54:02,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-11-19 07:54:02,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520223084]
[2023-11-19 07:54:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:02,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:02,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:54:02,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:54:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:02,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:54:02,797 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:54:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2023-11-19 07:54:02,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:54:02,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520223084] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:02,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:02,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:02,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517612648]
[2023-11-19 07:54:02,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:02,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:54:02,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:02,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:54:02,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:54:02,896 INFO L87 Difference]: Start difference. First operand has 52 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:54:02,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:02,924 INFO L93 Difference]: Finished difference Result 97 states and 164 transitions.
[2023-11-19 07:54:02,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:54:02,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83
[2023-11-19 07:54:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:02,938 INFO L225 Difference]: With dead ends: 97
[2023-11-19 07:54:02,938 INFO L226 Difference]: Without dead ends: 48
[2023-11-19 07:54:02,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:54:02,950 INFO L413 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:02,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:02,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2023-11-19 07:54:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2023-11-19 07:54:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:54:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions.
[2023-11-19 07:54:02,997 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 83
[2023-11-19 07:54:02,997 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:02,997 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions.
[2023-11-19 07:54:02,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:54:02,998 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions.
[2023-11-19 07:54:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:03,002 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:03,003 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:03,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:54:03,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-11-19 07:54:03,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:03,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:03,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1061366768, now seen corresponding path program 1 times
[2023-11-19 07:54:03,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:03,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998532479]
[2023-11-19 07:54:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:03,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:03,274 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:54:03,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010078628]
[2023-11-19 07:54:03,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:03,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:03,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:03,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:54:03,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:54:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:03,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:54:03,387 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:54:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2023-11-19 07:54:03,496 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:54:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked.
[2023-11-19 07:54:03,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:03,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998532479]
[2023-11-19 07:54:03,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:54:03,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010078628]
[2023-11-19 07:54:03,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010078628] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:54:03,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:54:03,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-11-19 07:54:03,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080940710]
[2023-11-19 07:54:03,712 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:54:03,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:54:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:03,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:54:03,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:54:03,721 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2023-11-19 07:54:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:03,925 INFO L93 Difference]: Finished difference Result 101 states and 148 transitions.
[2023-11-19 07:54:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:54:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 83
[2023-11-19 07:54:03,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:03,928 INFO L225 Difference]: With dead ends: 101
[2023-11-19 07:54:03,929 INFO L226 Difference]: Without dead ends: 56
[2023-11-19 07:54:03,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 158 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:54:03,931 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:03,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 134 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:54:03,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-11-19 07:54:03,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52.
[2023-11-19 07:54:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 37 states have internal predecessors, (50), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:54:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions.
[2023-11-19 07:54:03,947 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 83
[2023-11-19 07:54:03,948 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:03,949 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions.
[2023-11-19 07:54:03,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2023-11-19 07:54:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions.
[2023-11-19 07:54:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:03,952 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:03,953 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:03,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:54:04,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:04,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:04,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:04,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1063213810, now seen corresponding path program 1 times
[2023-11-19 07:54:04,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:04,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120083411]
[2023-11-19 07:54:04,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:04,216 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:54:04,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729233438]
[2023-11-19 07:54:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:04,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:04,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:54:04,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:54:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:04,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:54:04,349 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:54:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2023-11-19 07:54:04,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:54:04,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:04,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120083411]
[2023-11-19 07:54:04,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:54:04,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729233438]
[2023-11-19 07:54:04,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729233438] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:04,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:04,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:04,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783235332]
[2023-11-19 07:54:04,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:04,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:04,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:04,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:04,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:04,515 INFO L87 Difference]: Start difference. First operand 52 states and 74 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-11-19 07:54:04,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:04,581 INFO L93 Difference]: Finished difference Result 149 states and 215 transitions.
[2023-11-19 07:54:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:54:04,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83
[2023-11-19 07:54:04,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:04,587 INFO L225 Difference]: With dead ends: 149
[2023-11-19 07:54:04,588 INFO L226 Difference]: Without dead ends: 100
[2023-11-19 07:54:04,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:04,590 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 20 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:04,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 125 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:04,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2023-11-19 07:54:04,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96.
[2023-11-19 07:54:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2023-11-19 07:54:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions.
[2023-11-19 07:54:04,612 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 83
[2023-11-19 07:54:04,613 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:04,613 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions.
[2023-11-19 07:54:04,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-11-19 07:54:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions.
[2023-11-19 07:54:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:04,616 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:04,616 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:04,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:54:04,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:04,835 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:04,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:04,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1299635186, now seen corresponding path program 1 times
[2023-11-19 07:54:04,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:04,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866982569]
[2023-11-19 07:54:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:04,870 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:54:04,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710701719]
[2023-11-19 07:54:04,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:04,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:54:04,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:54:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:54:04,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:54:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:54:05,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:54:05,113 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:54:05,114 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:54:05,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:54:05,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:54:05,340 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:54:05,345 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:54:05,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:05 BoogieIcfgContainer
[2023-11-19 07:54:05,453 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:54:05,454 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:54:05,455 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:54:05,455 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:54:05,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:02" (3/4) ...
[2023-11-19 07:54:05,458 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:54:05,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:54:05,461 INFO L158 Benchmark]: Toolchain (without parser) took 4325.38ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 119.2MB in the beginning and 170.2MB in the end (delta: -51.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:54:05,461 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 104.9MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:54:05,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.88ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 105.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-19 07:54:05,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.91ms. Allocated memory is still 161.5MB. Free memory was 105.4MB in the beginning and 102.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:54:05,463 INFO L158 Benchmark]: Boogie Preprocessor took 40.32ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 100.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:54:05,463 INFO L158 Benchmark]: RCFGBuilder took 638.93ms. Allocated memory is still 161.5MB. Free memory was 100.2MB in the beginning and 129.9MB in the end (delta: -29.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:54:05,464 INFO L158 Benchmark]: TraceAbstraction took 3137.78ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 129.7MB in the beginning and 170.2MB in the end (delta: -40.6MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB.
[2023-11-19 07:54:05,464 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 203.4MB. Free memory is still 170.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:54:05,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.59ms. Allocated memory is still 104.9MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 421.88ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 105.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 70.91ms. Allocated memory is still 161.5MB. Free memory was 105.4MB in the beginning and 102.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.32ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 100.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 638.93ms. Allocated memory is still 161.5MB. Free memory was 100.2MB in the beginning and 129.9MB in the end (delta: -29.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 3137.78ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 129.7MB in the beginning and 170.2MB in the end (delta: -40.6MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB.
* Witness Printer took 5.58ms. Allocated memory is still 203.4MB. Free memory is still 170.2MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 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.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] signed long int var_1_1 = 32;
[L23] unsigned char var_1_4 = 0;
[L24] unsigned short int var_1_8 = 32;
[L25] signed long int var_1_9 = -16;
[L26] unsigned short int var_1_10 = 5;
[L27] unsigned char var_1_12 = 32;
[L28] unsigned char var_1_13 = 1;
[L29] unsigned char var_1_14 = 0;
[L30] unsigned char var_1_15 = 0;
[L31] double var_1_16 = 63.75;
[L32] double var_1_17 = 8.5;
[L33] signed short int var_1_18 = -64;
[L34] signed long int last_1_var_1_1 = 32;
[L35] unsigned char last_1_var_1_12 = 32;
[L36] signed short int last_1_var_1_18 = -64;
VAL [isInitial=0, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16]
[L124] isInitial = 1
[L125] FCALL initially()
[L126] COND TRUE 1
[L127] CALL updateLastVariables()
[L115] last_1_var_1_1 = var_1_1
[L116] last_1_var_1_12 = var_1_12
[L117] last_1_var_1_18 = var_1_18
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16]
[L127] RET updateLastVariables()
[L128] CALL updateVariables()
[L95] var_1_4 = __VERIFIER_nondet_uchar()
[L96] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16]
[L96] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16]
[L97] CALL assume_abort_if_not(var_1_4 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16]
[L97] RET assume_abort_if_not(var_1_4 <= 1)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16]
[L98] var_1_9 = __VERIFIER_nondet_long()
[L99] CALL assume_abort_if_not(var_1_9 >= -2147483648)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L99] RET assume_abort_if_not(var_1_9 >= -2147483648)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L100] CALL assume_abort_if_not(var_1_9 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L100] RET assume_abort_if_not(var_1_9 <= 2147483647)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L101] CALL assume_abort_if_not(var_1_9 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L101] RET assume_abort_if_not(var_1_9 != 0)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L102] var_1_10 = __VERIFIER_nondet_ushort()
[L103] CALL assume_abort_if_not(var_1_10 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L103] RET assume_abort_if_not(var_1_10 >= 0)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L104] CALL assume_abort_if_not(var_1_10 <= 65534)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L104] RET assume_abort_if_not(var_1_10 <= 65534)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L105] var_1_13 = __VERIFIER_nondet_uchar()
[L106] CALL assume_abort_if_not(var_1_13 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L106] RET assume_abort_if_not(var_1_13 >= 0)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L107] CALL assume_abort_if_not(var_1_13 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L107] RET assume_abort_if_not(var_1_13 <= 254)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L108] var_1_15 = __VERIFIER_nondet_uchar()
[L109] CALL assume_abort_if_not(var_1_15 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L109] RET assume_abort_if_not(var_1_15 >= 0)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L110] CALL assume_abort_if_not(var_1_15 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L110] RET assume_abort_if_not(var_1_15 <= 0)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L111] var_1_17 = __VERIFIER_nondet_double()
[L112] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L112] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L128] RET updateVariables()
[L129] CALL step()
[L40] signed long int stepLocal_1 = last_1_var_1_18;
[L41] signed long int stepLocal_0 = last_1_var_1_18;
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L42] COND FALSE !(stepLocal_1 >= (last_1_var_1_18 / var_1_9))
[L49] var_1_8 = last_1_var_1_12
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L51] var_1_18 = var_1_8
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L52] COND FALSE !(var_1_10 < var_1_18)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L63] unsigned short int stepLocal_2 = var_1_8;
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L64] COND FALSE !(stepLocal_2 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12))
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L75] COND FALSE !(var_1_18 != var_1_12)
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L80] COND FALSE !(\read(var_1_14))
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L87] COND FALSE !(\read(var_1_14))
[L90] var_1_16 = var_1_17
VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L129] RET step()
[L130] CALL, EXPR property()
[L120-L121] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8))
;
VAL [\result=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[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_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=64]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 192 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 321 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 2 NumberOfNonLiveVariables, 646 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1050/1056 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 07:54:05,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/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_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/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_003b2525-88ec-42e1-b95a-45e69ef1176f/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 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:54:08,273 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:54:08,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 07:54:08,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:54:08,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:54:08,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:54:08,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:54:08,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:54:08,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:54:08,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:54:08,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:54:08,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:54:08,398 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:54:08,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:54:08,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:54:08,399 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:54:08,400 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:54:08,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:54:08,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:54:08,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:54:08,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:54:08,403 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:54:08,403 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:54:08,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:54:08,404 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:54:08,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:54:08,405 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:54:08,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:54:08,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:54:08,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:54:08,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:08,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:54:08,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:54:08,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:54:08,409 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:54:08,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:54:08,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:54:08,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:54:08,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:54:08,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:54:08,412 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:54:08,413 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:54:08,413 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_003b2525-88ec-42e1-b95a-45e69ef1176f/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831
[2023-11-19 07:54:08,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:54:08,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:54:08,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:54:08,933 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:54:08,933 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:54:08,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i
[2023-11-19 07:54:12,215 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:54:12,531 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:54:12,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i
[2023-11-19 07:54:12,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data/e394d4e28/0040d7e402f14b589928b0a6048a4d32/FLAG14f6d1736
[2023-11-19 07:54:12,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/data/e394d4e28/0040d7e402f14b589928b0a6048a4d32
[2023-11-19 07:54:12,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:54:12,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:54:12,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:12,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:54:12,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:54:12,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:12" (1/1) ...
[2023-11-19 07:54:12,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab5abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:12, skipping insertion in model container
[2023-11-19 07:54:12,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:12" (1/1) ...
[2023-11-19 07:54:12,628 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:54:12,820 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_003b2525-88ec-42e1-b95a-45e69ef1176f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i[913,926]
[2023-11-19 07:54:12,904 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:12,938 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:54:12,962 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_003b2525-88ec-42e1-b95a-45e69ef1176f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-89.i[913,926]
[2023-11-19 07:54:13,025 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:13,055 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:54:13,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13 WrapperNode
[2023-11-19 07:54:13,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:13,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:13,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:54:13,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:54:13,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,153 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113
[2023-11-19 07:54:13,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:13,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:54:13,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:54:13,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:54:13,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:54:13,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:54:13,223 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:54:13,223 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:54:13,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (1/1) ...
[2023-11-19 07:54:13,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:13,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:13,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:13,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:54:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:54:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:54:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:54:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:54:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:54:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:54:13,454 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:54:13,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:54:14,213 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:54:14,222 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:54:14,223 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:54:14,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:14 BoogieIcfgContainer
[2023-11-19 07:54:14,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:54:14,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:54:14,231 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:54:14,234 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:54:14,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:12" (1/3) ...
[2023-11-19 07:54:14,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc13097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:14, skipping insertion in model container
[2023-11-19 07:54:14,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:13" (2/3) ...
[2023-11-19 07:54:14,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc13097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:14, skipping insertion in model container
[2023-11-19 07:54:14,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:14" (3/3) ...
[2023-11-19 07:54:14,238 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-89.i
[2023-11-19 07:54:14,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:54:14,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:54:14,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:54:14,321 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;@1c6a7172, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:54:14,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:54:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:54:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:14,340 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:14,341 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:14,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:14,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:14,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1954295536, now seen corresponding path program 1 times
[2023-11-19 07:54:14,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:54:14,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465309807]
[2023-11-19 07:54:14,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:14,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:54:14,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:54:14,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:14,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-19 07:54:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:14,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:54:14,681 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:54:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked.
[2023-11-19 07:54:14,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:54:14,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:54:14,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465309807]
[2023-11-19 07:54:14,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465309807] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:14,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:14,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:14,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041157989]
[2023-11-19 07:54:14,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:14,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:54:14,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:54:14,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:54:14,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:54:14,817 INFO L87 Difference]: Start difference. First operand has 52 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:54:14,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:14,867 INFO L93 Difference]: Finished difference Result 97 states and 164 transitions.
[2023-11-19 07:54:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:54:14,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83
[2023-11-19 07:54:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:14,881 INFO L225 Difference]: With dead ends: 97
[2023-11-19 07:54:14,881 INFO L226 Difference]: Without dead ends: 48
[2023-11-19 07:54:14,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:54:14,891 INFO L413 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:14,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2023-11-19 07:54:14,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2023-11-19 07:54:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:54:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions.
[2023-11-19 07:54:14,953 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 83
[2023-11-19 07:54:14,954 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:14,954 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions.
[2023-11-19 07:54:14,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:54:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions.
[2023-11-19 07:54:14,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:14,963 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:14,964 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:14,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:54:15,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:54:15,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:15,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:15,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1061366768, now seen corresponding path program 1 times
[2023-11-19 07:54:15,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:54:15,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039799140]
[2023-11-19 07:54:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:54:15,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:54:15,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:15,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-19 07:54:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:15,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:54:15,500 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:54:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2023-11-19 07:54:15,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:54:15,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:54:15,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039799140]
[2023-11-19 07:54:15,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039799140] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:15,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:15,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:15,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924940628]
[2023-11-19 07:54:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:15,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:15,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:54:15,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:15,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:15,816 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-11-19 07:54:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:16,050 INFO L93 Difference]: Finished difference Result 136 states and 206 transitions.
[2023-11-19 07:54:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:54:16,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83
[2023-11-19 07:54:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:16,054 INFO L225 Difference]: With dead ends: 136
[2023-11-19 07:54:16,054 INFO L226 Difference]: Without dead ends: 91
[2023-11-19 07:54:16,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:16,056 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 20 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:16,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 126 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:54:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2023-11-19 07:54:16,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87.
[2023-11-19 07:54:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2023-11-19 07:54:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions.
[2023-11-19 07:54:16,083 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 83
[2023-11-19 07:54:16,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:16,084 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions.
[2023-11-19 07:54:16,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-11-19 07:54:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions.
[2023-11-19 07:54:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-19 07:54:16,086 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:54:16,086 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:16,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:54:16,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:54:16,294 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:54:16,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:16,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1299635186, now seen corresponding path program 1 times
[2023-11-19 07:54:16,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:54:16,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814996266]
[2023-11-19 07:54:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:16,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:54:16,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:54:16,297 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:16,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003b2525-88ec-42e1-b95a-45e69ef1176f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-19 07:54:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:16,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 23 conjunts are in the unsatisfiable core
[2023-11-19 07:54:16,591 INFO L285 TraceCheckSpWp]: Computing forward predicates...