./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/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_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/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_64318387-c6b5-4e8d-9779-acfd4f5837e1/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 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:37:39,264 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:37:39,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:37:39,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:37:39,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:37:39,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:37:39,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:37:39,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:37:39,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:37:39,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:37:39,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:37:39,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:37:39,401 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:37:39,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:37:39,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:37:39,403 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:37:39,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:37:39,404 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:37:39,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:37:39,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:37:39,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:37:39,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:37:39,417 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:37:39,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:37:39,418 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:37:39,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:37:39,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:37:39,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:37:39,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:37:39,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:37:39,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:37:39,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:37:39,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:37:39,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:37:39,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:37:39,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:37:39,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:37:39,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:37:39,429 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:37:39,430 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_64318387-c6b5-4e8d-9779-acfd4f5837e1/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3
[2023-11-19 07:37:39,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:37:39,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:37:39,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:37:39,767 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:37:39,768 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:37:39,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i
[2023-11-19 07:37:42,897 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:37:43,135 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:37:43,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i
[2023-11-19 07:37:43,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data/edfcecf2e/aa676b54aa6243aabf16238d7f7b49fe/FLAG7efda481e
[2023-11-19 07:37:43,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data/edfcecf2e/aa676b54aa6243aabf16238d7f7b49fe
[2023-11-19 07:37:43,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:37:43,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:37:43,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:37:43,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:37:43,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:37:43,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1edd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43, skipping insertion in model container
[2023-11-19 07:37:43,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,230 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:37:43,456 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_64318387-c6b5-4e8d-9779-acfd4f5837e1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928]
[2023-11-19 07:37:43,518 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:37:43,532 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:37:43,549 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_64318387-c6b5-4e8d-9779-acfd4f5837e1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928]
[2023-11-19 07:37:43,585 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:37:43,603 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:37:43,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43 WrapperNode
[2023-11-19 07:37:43,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:37:43,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:37:43,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:37:43,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:37:43,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,675 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74
[2023-11-19 07:37:43,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:37:43,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:37:43,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:37:43,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:37:43,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:37:43,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:37:43,718 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:37:43,718 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:37:43,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (1/1) ...
[2023-11-19 07:37:43,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:37:43,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:37:43,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:37:43,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:37:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:37:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:37:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:37:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:37:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:37:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:37:43,879 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:37:43,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:37:44,138 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:37:44,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:37:44,151 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:37:44,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:44 BoogieIcfgContainer
[2023-11-19 07:37:44,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:37:44,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:37:44,159 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:37:44,163 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:37:44,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:43" (1/3) ...
[2023-11-19 07:37:44,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d39111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:44, skipping insertion in model container
[2023-11-19 07:37:44,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:43" (2/3) ...
[2023-11-19 07:37:44,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d39111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:44, skipping insertion in model container
[2023-11-19 07:37:44,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:44" (3/3) ...
[2023-11-19 07:37:44,166 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i
[2023-11-19 07:37:44,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:37:44,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:37:44,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:37:44,247 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;@76110aed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:37:44,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:37:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:37:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2023-11-19 07:37:44,265 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:37:44,266 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:37:44,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:37:44,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:44,274 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times
[2023-11-19 07:37:44,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:37:44,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159858341]
[2023-11-19 07:37:44,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:44,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:37:44,479 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:37:44,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323645935]
[2023-11-19 07:37:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:44,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:37:44,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:37:44,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:37:44,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:37:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:37:44,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:37:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:37:44,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:37:44,801 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:37:44,802 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:37:44,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:37:45,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-11-19 07:37:45,016 INFO L445 BasicCegarLoop]: Path program histogram: [1]
[2023-11-19 07:37:45,020 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:37:45,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:37:45 BoogieIcfgContainer
[2023-11-19 07:37:45,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:37:45,101 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:37:45,102 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:37:45,102 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:37:45,103 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:44" (3/4) ...
[2023-11-19 07:37:45,106 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:37:45,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:37:45,108 INFO L158 Benchmark]: Toolchain (without parser) took 1941.38ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 74.7MB in the beginning and 85.9MB in the end (delta: -11.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB.
[2023-11-19 07:37:45,109 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:37:45,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.13ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 63.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:37:45,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 119.5MB. Free memory was 63.3MB in the beginning and 61.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:37:45,111 INFO L158 Benchmark]: Boogie Preprocessor took 40.50ms. Allocated memory is still 119.5MB. Free memory was 61.3MB in the beginning and 60.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:37:45,112 INFO L158 Benchmark]: RCFGBuilder took 437.86ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 112.0MB in the end (delta: -51.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
[2023-11-19 07:37:45,113 INFO L158 Benchmark]: TraceAbstraction took 940.85ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 85.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-11-19 07:37:45,113 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 144.7MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:37:45,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 436.13ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 63.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 70.73ms. Allocated memory is still 119.5MB. Free memory was 63.3MB in the beginning and 61.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.50ms. Allocated memory is still 119.5MB. Free memory was 61.3MB in the beginning and 60.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 437.86ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 112.0MB in the end (delta: -51.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 940.85ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 85.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 5.95ms. Allocated memory is still 144.7MB. Free memory is still 85.9MB. 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 62, overapproximation of someBinaryFLOATComparisonOperation at line 62.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] double var_1_1 = 0.375;
[L23] double var_1_2 = 16.5;
[L24] unsigned short int var_1_3 = 64;
[L25] unsigned long int var_1_4 = 128;
[L26] unsigned long int var_1_5 = 256;
[L27] unsigned short int var_1_6 = 32;
[L28] unsigned short int var_1_7 = 16;
[L29] double var_1_8 = 1.5;
[L30] float var_1_9 = 2.25;
VAL [isInitial=0, var_1_1=3/8, var_1_2=33/2, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L66] isInitial = 1
[L67] FCALL initially()
[L68] COND TRUE 1
[L69] FCALL updateLastVariables()
[L70] CALL updateVariables()
[L43] var_1_2 = __VERIFIER_nondet_double()
[L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F ))
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L45] var_1_4 = __VERIFIER_nondet_ulong()
[L46] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L46] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L47] CALL assume_abort_if_not(var_1_4 <= 4294967295)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L47] RET assume_abort_if_not(var_1_4 <= 4294967295)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L48] var_1_5 = __VERIFIER_nondet_ulong()
[L49] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L49] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L50] CALL assume_abort_if_not(var_1_5 <= 4294967295)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L50] RET assume_abort_if_not(var_1_5 <= 4294967295)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L51] CALL assume_abort_if_not(var_1_5 != 0)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L51] RET assume_abort_if_not(var_1_5 != 0)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L52] var_1_6 = __VERIFIER_nondet_ushort()
[L53] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L53] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L54] CALL assume_abort_if_not(var_1_6 <= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L54] RET assume_abort_if_not(var_1_6 <= 32767)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4]
[L55] var_1_7 = __VERIFIER_nondet_ushort()
[L56] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4]
[L56] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4]
[L57] CALL assume_abort_if_not(var_1_7 <= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4]
[L57] RET assume_abort_if_not(var_1_7 <= 32767)
VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4]
[L70] RET updateVariables()
[L71] CALL step()
[L34] var_1_1 = var_1_2
[L35] var_1_8 = var_1_2
[L36] var_1_9 = var_1_2
[L37] unsigned char stepLocal_0 = var_1_9 < var_1_2;
VAL [isInitial=1, stepLocal_0=1, var_1_1=2, var_1_2=2, var_1_3=64, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2]
[L38] COND TRUE (32u < (var_1_4 / var_1_5)) && stepLocal_0
[L39] var_1_3 = (var_1_6 + var_1_7)
VAL [isInitial=1, stepLocal_0=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2]
[L71] RET step()
[L72] CALL, EXPR property()
[L62-L63] return (((var_1_1 == ((double) var_1_2)) && (((32u < (var_1_4 / var_1_5)) && (var_1_9 < var_1_2)) ? (var_1_3 == ((unsigned short int) (var_1_6 + var_1_7))) : 1)) && (var_1_8 == ((double) var_1_2))) && (var_1_9 == ((float) var_1_2))
;
VAL [\result=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2]
[L72] RET, EXPR property()
[L72] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=66, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 07:37:45,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/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_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/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_64318387-c6b5-4e8d-9779-acfd4f5837e1/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 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:37:47,937 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:37:48,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 07:37:48,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:37:48,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:37:48,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:37:48,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:37:48,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:37:48,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:37:48,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:37:48,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:37:48,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:37:48,144 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:37:48,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:37:48,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:37:48,145 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:37:48,146 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:37:48,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:37:48,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:37:48,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:37:48,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:37:48,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:37:48,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:37:48,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:37:48,149 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:37:48,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:37:48,150 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:37:48,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:37:48,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:37:48,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:37:48,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:37:48,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:37:48,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:37:48,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:37:48,156 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:37:48,156 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:37:48,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:37:48,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:37:48,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:37:48,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:37:48,158 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:37:48,159 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:37:48,159 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_64318387-c6b5-4e8d-9779-acfd4f5837e1/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3
[2023-11-19 07:37:48,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:37:48,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:37:48,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:37:48,649 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:37:48,650 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:37:48,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i
[2023-11-19 07:37:51,801 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:37:52,109 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:37:52,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i
[2023-11-19 07:37:52,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data/bc259e128/35bb268c630843439db42d3ff850b3fd/FLAG939808c67
[2023-11-19 07:37:52,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/data/bc259e128/35bb268c630843439db42d3ff850b3fd
[2023-11-19 07:37:52,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:37:52,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:37:52,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:37:52,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:37:52,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:37:52,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d10bf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52, skipping insertion in model container
[2023-11-19 07:37:52,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,175 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:37:52,381 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_64318387-c6b5-4e8d-9779-acfd4f5837e1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928]
[2023-11-19 07:37:52,433 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:37:52,461 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:37:52,481 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_64318387-c6b5-4e8d-9779-acfd4f5837e1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928]
[2023-11-19 07:37:52,516 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:37:52,538 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:37:52,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52 WrapperNode
[2023-11-19 07:37:52,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:37:52,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:37:52,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:37:52,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:37:52,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,610 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74
[2023-11-19 07:37:52,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:37:52,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:37:52,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:37:52,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:37:52,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:37:52,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:37:52,674 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:37:52,674 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:37:52,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ...
[2023-11-19 07:37:52,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:37:52,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:37:52,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:37:52,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:37:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:37:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:37:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:37:52,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:37:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:37:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:37:52,847 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:37:52,849 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:37:54,346 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:37:54,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:37:54,355 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:37:54,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:54 BoogieIcfgContainer
[2023-11-19 07:37:54,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:37:54,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:37:54,361 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:37:54,365 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:37:54,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:52" (1/3) ...
[2023-11-19 07:37:54,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fdcaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:54, skipping insertion in model container
[2023-11-19 07:37:54,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (2/3) ...
[2023-11-19 07:37:54,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fdcaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:54, skipping insertion in model container
[2023-11-19 07:37:54,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:54" (3/3) ...
[2023-11-19 07:37:54,368 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i
[2023-11-19 07:37:54,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:37:54,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:37:54,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:37:54,443 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;@2eab1811, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:37:54,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:37:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:37:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2023-11-19 07:37:54,459 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:37:54,460 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:37:54,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:37:54,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:54,466 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times
[2023-11-19 07:37:54,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:37:54,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775179548]
[2023-11-19 07:37:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:54,481 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 07:37:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:37:54,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/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 07:37:54,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64318387-c6b5-4e8d-9779-acfd4f5837e1/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 07:37:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:37:54,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-11-19 07:37:54,772 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:38:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2023-11-19 07:38:28,109 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:38:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-11-19 07:38:44,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:38:44,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775179548]
[2023-11-19 07:38:44,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [775179548] provided 1 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:38:44,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:38:44,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14
[2023-11-19 07:38:44,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455882361]
[2023-11-19 07:38:44,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:38:44,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:38:44,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:38:44,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:38:44,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:38:44,717 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)