./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --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_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/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_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/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_b220496c-4ee4-44dd-a0bd-fa234b8ad781/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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:39:06,402 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:39:06,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:39:06,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:39:06,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:39:06,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:39:06,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:39:06,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:39:06,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:39:06,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:39:06,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:39:06,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:39:06,589 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:39:06,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:39:06,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:39:06,591 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:39:06,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:39:06,592 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:39:06,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:39:06,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:39:06,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:39:06,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:39:06,595 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:39:06,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:39:06,597 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:39:06,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:39:06,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:39:06,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:39:06,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:06,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:39:06,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:39:06,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:39:06,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:39:06,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:39:06,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:39:06,603 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:39:06,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:39:06,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:39:06,603 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:39:06,604 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_b220496c-4ee4-44dd-a0bd-fa234b8ad781/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d
[2023-11-19 07:39:06,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:39:06,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:39:06,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:39:06,984 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:39:06,984 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:39:06,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c
[2023-11-19 07:39:10,077 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:39:10,443 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:39:10,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c
[2023-11-19 07:39:10,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/data/edb7ac4b5/5b18ad186f004893bd863e97fa87e7b9/FLAG4ab1888d7
[2023-11-19 07:39:10,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/data/edb7ac4b5/5b18ad186f004893bd863e97fa87e7b9
[2023-11-19 07:39:10,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:39:10,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:39:10,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:10,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:39:10,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:39:10,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:10" (1/1) ...
[2023-11-19 07:39:10,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43742d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:10, skipping insertion in model container
[2023-11-19 07:39:10,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:10" (1/1) ...
[2023-11-19 07:39:10,575 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:39:10,790 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_b220496c-4ee4-44dd-a0bd-fa234b8ad781/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731]
[2023-11-19 07:39:10,862 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:10,878 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:39:10,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2023-11-19 07:39:10,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
[2023-11-19 07:39:10,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444]
[2023-11-19 07:39:10,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
[2023-11-19 07:39:10,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563]
[2023-11-19 07:39:10,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665]
[2023-11-19 07:39:10,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
[2023-11-19 07:39:10,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926]
[2023-11-19 07:39:10,967 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_b220496c-4ee4-44dd-a0bd-fa234b8ad781/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731]
[2023-11-19 07:39:11,002 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:11,039 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:39:11,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11 WrapperNode
[2023-11-19 07:39:11,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:11,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:11,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:39:11,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:39:11,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,120 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 230
[2023-11-19 07:39:11,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:11,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:39:11,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:39:11,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:39:11,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:39:11,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:39:11,187 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:39:11,187 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:39:11,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (1/1) ...
[2023-11-19 07:39:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:11,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:11,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:39:11,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-11-19 07:39:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-11-19 07:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 07:39:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 07:39:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 07:39:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 07:39:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:39:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:39:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 07:39:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 07:39:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:39:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 07:39:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 07:39:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:39:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:39:11,401 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:39:11,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:39:11,770 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:39:11,780 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:39:11,780 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:39:11,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:11 BoogieIcfgContainer
[2023-11-19 07:39:11,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:39:11,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:39:11,801 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:39:11,804 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:39:11,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:10" (1/3) ...
[2023-11-19 07:39:11,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e348c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:11, skipping insertion in model container
[2023-11-19 07:39:11,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:11" (2/3) ...
[2023-11-19 07:39:11,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e348c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:11, skipping insertion in model container
[2023-11-19 07:39:11,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:11" (3/3) ...
[2023-11-19 07:39:11,808 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c
[2023-11-19 07:39:11,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:39:11,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:39:11,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:39:11,892 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;@1cb85ab6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:39:11,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:39:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:39:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 07:39:11,907 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:11,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:11,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:11,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:11,914 INFO L85 PathProgramCache]: Analyzing trace with hash -644164364, now seen corresponding path program 1 times
[2023-11-19 07:39:11,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:11,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36712808]
[2023-11-19 07:39:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:11,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:12,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:12,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36712808]
[2023-11-19 07:39:12,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36712808] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:12,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:12,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:12,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733742930]
[2023-11-19 07:39:12,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:12,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:39:12,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:12,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:39:12,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:39:12,158 INFO L87 Difference]: Start difference. First operand has 87 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:12,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:12,216 INFO L93 Difference]: Finished difference Result 166 states and 227 transitions.
[2023-11-19 07:39:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:39:12,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2023-11-19 07:39:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:12,228 INFO L225 Difference]: With dead ends: 166
[2023-11-19 07:39:12,229 INFO L226 Difference]: Without dead ends: 78
[2023-11-19 07:39:12,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 07:39:12,239 INFO L413 NwaCegarLoop]: 110 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, 110 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 07:39:12,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:12,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2023-11-19 07:39:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2023-11-19 07:39:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2023-11-19 07:39:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 101 transitions.
[2023-11-19 07:39:12,307 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 101 transitions. Word has length 19
[2023-11-19 07:39:12,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:12,308 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 101 transitions.
[2023-11-19 07:39:12,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions.
[2023-11-19 07:39:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 07:39:12,313 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:12,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:12,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:39:12,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:12,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1321297108, now seen corresponding path program 1 times
[2023-11-19 07:39:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:12,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54530717]
[2023-11-19 07:39:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:12,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:12,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54530717]
[2023-11-19 07:39:12,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54530717] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:12,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:12,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504392356]
[2023-11-19 07:39:12,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:12,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:12,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:12,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:12,488 INFO L87 Difference]: Start difference. First operand 78 states and 101 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:12,504 INFO L93 Difference]: Finished difference Result 121 states and 157 transitions.
[2023-11-19 07:39:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:12,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2023-11-19 07:39:12,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:12,506 INFO L225 Difference]: With dead ends: 121
[2023-11-19 07:39:12,507 INFO L226 Difference]: Without dead ends: 69
[2023-11-19 07:39:12,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 07:39:12,510 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:12,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:12,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 07:39:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-11-19 07:39:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 63 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7)
[2023-11-19 07:39:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions.
[2023-11-19 07:39:12,522 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 20
[2023-11-19 07:39:12,522 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:12,522 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions.
[2023-11-19 07:39:12,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions.
[2023-11-19 07:39:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:39:12,524 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:12,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:12,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:39:12,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:12,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:12,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2055869510, now seen corresponding path program 1 times
[2023-11-19 07:39:12,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:12,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603219822]
[2023-11-19 07:39:12,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:12,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:12,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:12,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603219822]
[2023-11-19 07:39:12,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603219822] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:12,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:12,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:12,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628153662]
[2023-11-19 07:39:12,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:12,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:12,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:12,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:12,628 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:12,644 INFO L93 Difference]: Finished difference Result 131 states and 172 transitions.
[2023-11-19 07:39:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25
[2023-11-19 07:39:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:12,646 INFO L225 Difference]: With dead ends: 131
[2023-11-19 07:39:12,646 INFO L226 Difference]: Without dead ends: 69
[2023-11-19 07:39:12,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:39:12,649 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:12,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:12,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 07:39:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-11-19 07:39:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7)
[2023-11-19 07:39:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions.
[2023-11-19 07:39:12,664 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 25
[2023-11-19 07:39:12,664 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:12,664 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions.
[2023-11-19 07:39:12,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions.
[2023-11-19 07:39:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-19 07:39:12,669 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:12,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:12,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:39:12,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:12,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:12,671 INFO L85 PathProgramCache]: Analyzing trace with hash 86695610, now seen corresponding path program 1 times
[2023-11-19 07:39:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172515419]
[2023-11-19 07:39:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:12,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:12,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:12,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172515419]
[2023-11-19 07:39:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172515419] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:12,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:12,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:39:12,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928245445]
[2023-11-19 07:39:12,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:12,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:39:12,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:39:12,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:39:12,889 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:39:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:13,175 INFO L93 Difference]: Finished difference Result 195 states and 249 transitions.
[2023-11-19 07:39:13,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:39:13,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35
[2023-11-19 07:39:13,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:13,179 INFO L225 Difference]: With dead ends: 195
[2023-11-19 07:39:13,179 INFO L226 Difference]: Without dead ends: 133
[2023-11-19 07:39:13,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:39:13,182 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 159 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:13,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 241 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:39:13,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2023-11-19 07:39:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 127.
[2023-11-19 07:39:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 111 states have internal predecessors, (131), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (15), 11 states have call predecessors, (15), 10 states have call successors, (15)
[2023-11-19 07:39:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 156 transitions.
[2023-11-19 07:39:13,230 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 156 transitions. Word has length 35
[2023-11-19 07:39:13,230 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:13,230 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 156 transitions.
[2023-11-19 07:39:13,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:39:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions.
[2023-11-19 07:39:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-19 07:39:13,233 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:13,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:13,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:39:13,237 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:13,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:13,238 INFO L85 PathProgramCache]: Analyzing trace with hash 585874736, now seen corresponding path program 1 times
[2023-11-19 07:39:13,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:13,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911927092]
[2023-11-19 07:39:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:13,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:13,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911927092]
[2023-11-19 07:39:13,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911927092] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:13,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:13,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:39:13,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101487956]
[2023-11-19 07:39:13,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:13,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:39:13,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:13,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:39:13,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:13,506 INFO L87 Difference]: Start difference. First operand 127 states and 156 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:39:13,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:13,761 INFO L93 Difference]: Finished difference Result 352 states and 455 transitions.
[2023-11-19 07:39:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:39:13,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41
[2023-11-19 07:39:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:13,765 INFO L225 Difference]: With dead ends: 352
[2023-11-19 07:39:13,765 INFO L226 Difference]: Without dead ends: 232
[2023-11-19 07:39:13,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:39:13,770 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 170 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:13,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 310 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:39:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states.
[2023-11-19 07:39:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 208.
[2023-11-19 07:39:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 169 states have (on average 1.272189349112426) internal successors, (215), 180 states have internal predecessors, (215), 18 states have call successors, (18), 18 states have call predecessors, (18), 20 states have return successors, (28), 18 states have call predecessors, (28), 18 states have call successors, (28)
[2023-11-19 07:39:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 261 transitions.
[2023-11-19 07:39:13,799 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 261 transitions. Word has length 41
[2023-11-19 07:39:13,799 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:13,799 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 261 transitions.
[2023-11-19 07:39:13,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:39:13,800 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions.
[2023-11-19 07:39:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-19 07:39:13,802 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:13,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:13,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:39:13,803 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:13,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:13,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1714947854, now seen corresponding path program 1 times
[2023-11-19 07:39:13,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:13,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897241466]
[2023-11-19 07:39:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:13,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:13,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:13,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897241466]
[2023-11-19 07:39:13,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897241466] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:13,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:13,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:39:13,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223372854]
[2023-11-19 07:39:13,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:13,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:39:13,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:13,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:39:13,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:39:13,923 INFO L87 Difference]: Start difference. First operand 208 states and 261 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:39:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:14,370 INFO L93 Difference]: Finished difference Result 594 states and 775 transitions.
[2023-11-19 07:39:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-11-19 07:39:14,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41
[2023-11-19 07:39:14,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:14,375 INFO L225 Difference]: With dead ends: 594
[2023-11-19 07:39:14,376 INFO L226 Difference]: Without dead ends: 393
[2023-11-19 07:39:14,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342
[2023-11-19 07:39:14,379 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 293 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:14,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 375 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:39:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states.
[2023-11-19 07:39:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 310.
[2023-11-19 07:39:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 250 states have (on average 1.24) internal successors, (310), 268 states have internal predecessors, (310), 26 states have call successors, (26), 26 states have call predecessors, (26), 33 states have return successors, (51), 29 states have call predecessors, (51), 26 states have call successors, (51)
[2023-11-19 07:39:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 387 transitions.
[2023-11-19 07:39:14,432 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 387 transitions. Word has length 41
[2023-11-19 07:39:14,432 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:14,432 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 387 transitions.
[2023-11-19 07:39:14,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:39:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 387 transitions.
[2023-11-19 07:39:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2023-11-19 07:39:14,435 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:14,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:14,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:39:14,435 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:14,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:14,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1598724404, now seen corresponding path program 1 times
[2023-11-19 07:39:14,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:14,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453387432]
[2023-11-19 07:39:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:39:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:14,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:14,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453387432]
[2023-11-19 07:39:14,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453387432] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:14,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:14,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:39:14,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147363430]
[2023-11-19 07:39:14,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:14,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:39:14,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:14,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:39:14,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:39:14,568 INFO L87 Difference]: Start difference. First operand 310 states and 387 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:39:14,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:14,976 INFO L93 Difference]: Finished difference Result 356 states and 440 transitions.
[2023-11-19 07:39:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2023-11-19 07:39:14,977 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45
[2023-11-19 07:39:14,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:14,980 INFO L225 Difference]: With dead ends: 356
[2023-11-19 07:39:14,980 INFO L226 Difference]: Without dead ends: 354
[2023-11-19 07:39:14,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380
[2023-11-19 07:39:14,982 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 186 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:14,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 335 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:39:14,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2023-11-19 07:39:15,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 338.
[2023-11-19 07:39:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 275 states have (on average 1.229090909090909) internal successors, (338), 295 states have internal predecessors, (338), 27 states have call successors, (27), 26 states have call predecessors, (27), 35 states have return successors, (54), 30 states have call predecessors, (54), 27 states have call successors, (54)
[2023-11-19 07:39:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 419 transitions.
[2023-11-19 07:39:15,018 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 419 transitions. Word has length 45
[2023-11-19 07:39:15,018 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:15,018 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 419 transitions.
[2023-11-19 07:39:15,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:39:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 419 transitions.
[2023-11-19 07:39:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-11-19 07:39:15,021 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:15,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:15,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:39:15,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:15,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1292286815, now seen corresponding path program 1 times
[2023-11-19 07:39:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531476697]
[2023-11-19 07:39:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:39:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:15,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531476697]
[2023-11-19 07:39:15,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531476697] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:15,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:15,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:39:15,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393434589]
[2023-11-19 07:39:15,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:15,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:39:15,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:39:15,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:39:15,173 INFO L87 Difference]: Start difference. First operand 338 states and 419 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:39:15,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:15,445 INFO L93 Difference]: Finished difference Result 697 states and 882 transitions.
[2023-11-19 07:39:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:39:15,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47
[2023-11-19 07:39:15,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:15,449 INFO L225 Difference]: With dead ends: 697
[2023-11-19 07:39:15,450 INFO L226 Difference]: Without dead ends: 366
[2023-11-19 07:39:15,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:39:15,452 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 135 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:15,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 321 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:39:15,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states.
[2023-11-19 07:39:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 350.
[2023-11-19 07:39:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 285 states have (on average 1.2210526315789474) internal successors, (348), 306 states have internal predecessors, (348), 28 states have call successors, (28), 26 states have call predecessors, (28), 36 states have return successors, (56), 31 states have call predecessors, (56), 28 states have call successors, (56)
[2023-11-19 07:39:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 432 transitions.
[2023-11-19 07:39:15,489 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 432 transitions. Word has length 47
[2023-11-19 07:39:15,489 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:15,489 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 432 transitions.
[2023-11-19 07:39:15,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:39:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 432 transitions.
[2023-11-19 07:39:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-11-19 07:39:15,491 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:15,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:15,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:39:15,492 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:15,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:15,492 INFO L85 PathProgramCache]: Analyzing trace with hash -701857891, now seen corresponding path program 1 times
[2023-11-19 07:39:15,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:15,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302520928]
[2023-11-19 07:39:15,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:15,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:39:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:15,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:15,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302520928]
[2023-11-19 07:39:15,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302520928] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:15,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:15,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:39:15,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950161662]
[2023-11-19 07:39:15,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:15,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:39:15,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:15,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:39:15,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:15,583 INFO L87 Difference]: Start difference. First operand 350 states and 432 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:39:15,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:15,778 INFO L93 Difference]: Finished difference Result 638 states and 799 transitions.
[2023-11-19 07:39:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:39:15,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47
[2023-11-19 07:39:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:15,781 INFO L225 Difference]: With dead ends: 638
[2023-11-19 07:39:15,781 INFO L226 Difference]: Without dead ends: 295
[2023-11-19 07:39:15,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:39:15,784 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 139 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:15,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 255 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:39:15,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2023-11-19 07:39:15,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 293.
[2023-11-19 07:39:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 236 states have (on average 1.2033898305084745) internal successors, (284), 253 states have internal predecessors, (284), 25 states have call successors, (25), 23 states have call predecessors, (25), 31 states have return successors, (45), 27 states have call predecessors, (45), 25 states have call successors, (45)
[2023-11-19 07:39:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 354 transitions.
[2023-11-19 07:39:15,811 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 354 transitions. Word has length 47
[2023-11-19 07:39:15,811 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:15,811 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 354 transitions.
[2023-11-19 07:39:15,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:39:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 354 transitions.
[2023-11-19 07:39:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-19 07:39:15,814 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:15,814 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:15,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:39:15,815 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:15,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:15,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2145897221, now seen corresponding path program 1 times
[2023-11-19 07:39:15,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:15,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955528633]
[2023-11-19 07:39:15,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:15,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:39:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2023-11-19 07:39:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:39:16,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:16,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955528633]
[2023-11-19 07:39:16,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955528633] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:16,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729856856]
[2023-11-19 07:39:16,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:16,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:16,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:16,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:39:16,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:39:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:16,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:39:16,212 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:39:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:16,388 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:39:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:39:16,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729856856] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:39:16,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:39:16,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9
[2023-11-19 07:39:16,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544742809]
[2023-11-19 07:39:16,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:39:16,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 07:39:16,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:16,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 07:39:16,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:39:16,533 INFO L87 Difference]: Start difference. First operand 293 states and 354 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7)
[2023-11-19 07:39:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:17,027 INFO L93 Difference]: Finished difference Result 631 states and 815 transitions.
[2023-11-19 07:39:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2023-11-19 07:39:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82
[2023-11-19 07:39:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:17,032 INFO L225 Difference]: With dead ends: 631
[2023-11-19 07:39:17,032 INFO L226 Difference]: Without dead ends: 386
[2023-11-19 07:39:17,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 171 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552
[2023-11-19 07:39:17,035 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 227 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:17,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 506 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-19 07:39:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2023-11-19 07:39:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 353.
[2023-11-19 07:39:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 281 states have (on average 1.2135231316725978) internal successors, (341), 300 states have internal predecessors, (341), 34 states have call successors, (34), 33 states have call predecessors, (34), 37 states have return successors, (61), 32 states have call predecessors, (61), 34 states have call successors, (61)
[2023-11-19 07:39:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 436 transitions.
[2023-11-19 07:39:17,076 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 436 transitions. Word has length 82
[2023-11-19 07:39:17,077 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:17,078 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 436 transitions.
[2023-11-19 07:39:17,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7)
[2023-11-19 07:39:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 436 transitions.
[2023-11-19 07:39:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2023-11-19 07:39:17,080 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:17,080 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:17,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:39:17,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-11-19 07:39:17,295 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:17,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:17,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1100274715, now seen corresponding path program 2 times
[2023-11-19 07:39:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556763171]
[2023-11-19 07:39:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:39:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 07:39:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:39:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2023-11-19 07:39:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:39:17,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:17,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556763171]
[2023-11-19 07:39:17,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556763171] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:17,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069068925]
[2023-11-19 07:39:17,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:39:17,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:17,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:17,697 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:39:17,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:39:17,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:39:17,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:39:17,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-11-19 07:39:17,839 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:39:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-11-19 07:39:18,070 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:39:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-19 07:39:18,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069068925] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:39:18,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:39:18,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 19
[2023-11-19 07:39:18,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356843967]
[2023-11-19 07:39:18,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:39:18,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2023-11-19 07:39:18,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:18,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2023-11-19 07:39:18,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342
[2023-11-19 07:39:18,296 INFO L87 Difference]: Start difference. First operand 353 states and 436 transitions. Second operand has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 17 states have internal predecessors, (183), 7 states have call successors, (19), 8 states have call predecessors, (19), 6 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17)
[2023-11-19 07:39:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:19,987 INFO L93 Difference]: Finished difference Result 1027 states and 1342 transitions.
[2023-11-19 07:39:19,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states.
[2023-11-19 07:39:19,988 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 17 states have internal predecessors, (183), 7 states have call successors, (19), 8 states have call predecessors, (19), 6 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 117
[2023-11-19 07:39:19,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:19,993 INFO L225 Difference]: With dead ends: 1027
[2023-11-19 07:39:19,994 INFO L226 Difference]: Without dead ends: 721
[2023-11-19 07:39:19,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 246 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=545, Invalid=1711, Unknown=0, NotChecked=0, Total=2256
[2023-11-19 07:39:19,998 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 602 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:19,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 1526 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-19 07:39:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states.
[2023-11-19 07:39:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 642.
[2023-11-19 07:39:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 509 states have (on average 1.206286836935167) internal successors, (614), 539 states have internal predecessors, (614), 65 states have call successors, (65), 63 states have call predecessors, (65), 67 states have return successors, (111), 60 states have call predecessors, (111), 65 states have call successors, (111)
[2023-11-19 07:39:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 790 transitions.
[2023-11-19 07:39:20,065 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 790 transitions. Word has length 117
[2023-11-19 07:39:20,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:20,066 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 790 transitions.
[2023-11-19 07:39:20,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 17 states have internal predecessors, (183), 7 states have call successors, (19), 8 states have call predecessors, (19), 6 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17)
[2023-11-19 07:39:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 790 transitions.
[2023-11-19 07:39:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2023-11-19 07:39:20,073 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:20,074 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:20,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:39:20,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-19 07:39:20,296 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:20,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1976293721, now seen corresponding path program 1 times
[2023-11-19 07:39:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:20,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002092050]
[2023-11-19 07:39:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:39:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-11-19 07:39:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:39:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2023-11-19 07:39:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-11-19 07:39:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:20,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002092050]
[2023-11-19 07:39:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002092050] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:20,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:20,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-11-19 07:39:20,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571482371]
[2023-11-19 07:39:20,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:20,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:39:20,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:20,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:39:20,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:39:20,493 INFO L87 Difference]: Start difference. First operand 642 states and 790 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:39:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:20,716 INFO L93 Difference]: Finished difference Result 847 states and 1030 transitions.
[2023-11-19 07:39:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:39:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 117
[2023-11-19 07:39:20,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:20,717 INFO L225 Difference]: With dead ends: 847
[2023-11-19 07:39:20,717 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:39:20,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:39:20,720 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 106 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:20,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 269 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:39:20,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:39:20,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:39:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:20,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:39:20,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117
[2023-11-19 07:39:20,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:20,722 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:39:20,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:39:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:39:20,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:39:20,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:39:20,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-19 07:39:20,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:39:21,481 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 731 737) no Hoare annotation was computed.
[2023-11-19 07:39:21,482 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 731 737) the Hoare annotation is: true
[2023-11-19 07:39:21,482 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 487 498) no Hoare annotation was computed.
[2023-11-19 07:39:21,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 487 498) the Hoare annotation is: true
[2023-11-19 07:39:21,482 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 487 498) no Hoare annotation was computed.
[2023-11-19 07:39:21,482 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 554 562) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L895 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) .cse0)))
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 707 730) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 531 539) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L895 garLoopResultBuilder]: At program point L784(line 784) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (not .cse1) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0)))
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point L784-1(lines 765 789) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point L718-1(lines 718 724) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed.
[2023-11-19 07:39:21,483 INFO L899 garLoopResultBuilder]: For program point L908-2(lines 908 912) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point L467-2(lines 463 474) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 445 452) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 707 730) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse1) .cse0)))
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 710 729) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 816 823) no Hoare annotation was computed.
[2023-11-19 07:39:21,484 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 899 917) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 707 730) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 419 443) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 835 843) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 566 595) no Hoare annotation was computed.
[2023-11-19 07:39:21,485 INFO L902 garLoopResultBuilder]: At program point L576-2(lines 576 590) the Hoare annotation is: true
[2023-11-19 07:39:21,489 INFO L902 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: true
[2023-11-19 07:39:21,489 INFO L899 garLoopResultBuilder]: For program point L572-1(line 572) no Hoare annotation was computed.
[2023-11-19 07:39:21,490 INFO L899 garLoopResultBuilder]: For program point L591(lines 566 595) no Hoare annotation was computed.
[2023-11-19 07:39:21,490 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed.
[2023-11-19 07:39:21,490 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 566 595) the Hoare annotation is: true
[2023-11-19 07:39:21,490 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 584) no Hoare annotation was computed.
[2023-11-19 07:39:21,490 INFO L902 garLoopResultBuilder]: At program point L580-1(lines 580 584) the Hoare annotation is: true
[2023-11-19 07:39:21,490 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 918 925) no Hoare annotation was computed.
[2023-11-19 07:39:21,491 INFO L895 garLoopResultBuilder]: At program point L985(lines 936 986) the Hoare annotation is: false
[2023-11-19 07:39:21,491 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 629 638) no Hoare annotation was computed.
[2023-11-19 07:39:21,491 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 677 683) no Hoare annotation was computed.
[2023-11-19 07:39:21,491 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 642 664) no Hoare annotation was computed.
[2023-11-19 07:39:21,491 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:39:21,491 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed.
[2023-11-19 07:39:21,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:39:21,492 INFO L899 garLoopResultBuilder]: For program point L957-1(lines 957 963) no Hoare annotation was computed.
[2023-11-19 07:39:21,492 INFO L895 garLoopResultBuilder]: At program point L982(lines 937 984) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:39:21,492 INFO L895 garLoopResultBuilder]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:39:21,492 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 659) no Hoare annotation was computed.
[2023-11-19 07:39:21,492 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 659) no Hoare annotation was computed.
[2023-11-19 07:39:21,493 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 621 627) no Hoare annotation was computed.
[2023-11-19 07:39:21,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:39:21,493 INFO L899 garLoopResultBuilder]: For program point L975(lines 975 979) no Hoare annotation was computed.
[2023-11-19 07:39:21,495 INFO L895 garLoopResultBuilder]: At program point L975-2(lines 967 980) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:39:21,495 INFO L899 garLoopResultBuilder]: For program point L938(lines 937 984) no Hoare annotation was computed.
[2023-11-19 07:39:21,496 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:39:21,496 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 684 690) no Hoare annotation was computed.
[2023-11-19 07:39:21,496 INFO L899 garLoopResultBuilder]: For program point L967(lines 967 980) no Hoare annotation was computed.
[2023-11-19 07:39:21,496 INFO L895 garLoopResultBuilder]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:39:21,496 INFO L899 garLoopResultBuilder]: For program point L988(lines 927 992) no Hoare annotation was computed.
[2023-11-19 07:39:21,497 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed.
[2023-11-19 07:39:21,497 INFO L899 garLoopResultBuilder]: For program point L947-1(lines 947 953) no Hoare annotation was computed.
[2023-11-19 07:39:21,497 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 691 699) no Hoare annotation was computed.
[2023-11-19 07:39:21,497 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed.
[2023-11-19 07:39:21,497 INFO L895 garLoopResultBuilder]: At program point L758(line 758) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:39:21,497 INFO L899 garLoopResultBuilder]: For program point L758-1(lines 739 763) no Hoare annotation was computed.
[2023-11-19 07:39:21,498 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 739 763) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:39:21,498 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 812) no Hoare annotation was computed.
[2023-11-19 07:39:21,498 INFO L899 garLoopResultBuilder]: For program point L806-2(lines 799 815) no Hoare annotation was computed.
[2023-11-19 07:39:21,498 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 540 553) no Hoare annotation was computed.
[2023-11-19 07:39:21,499 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed.
[2023-11-19 07:39:21,500 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 880 898) no Hoare annotation was computed.
[2023-11-19 07:39:21,500 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 739 763) no Hoare annotation was computed.
[2023-11-19 07:39:21,500 INFO L899 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed.
[2023-11-19 07:39:21,500 INFO L899 garLoopResultBuilder]: For program point L889-2(lines 889 893) no Hoare annotation was computed.
[2023-11-19 07:39:21,500 INFO L895 garLoopResultBuilder]: At program point L753(line 753) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))))
[2023-11-19 07:39:21,500 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 499 507) no Hoare annotation was computed.
[2023-11-19 07:39:21,501 INFO L899 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed.
[2023-11-19 07:39:21,501 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 824 834) no Hoare annotation was computed.
[2023-11-19 07:39:21,501 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed.
[2023-11-19 07:39:21,501 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 790 797) no Hoare annotation was computed.
[2023-11-19 07:39:21,501 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 475 486) no Hoare annotation was computed.
[2023-11-19 07:39:21,502 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 475 486) no Hoare annotation was computed.
[2023-11-19 07:39:21,502 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 475 486) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0 .cse1)))
[2023-11-19 07:39:21,505 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:21,507 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:39:21,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:39:21 BoogieIcfgContainer
[2023-11-19 07:39:21,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:39:21,526 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:39:21,526 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:39:21,526 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:39:21,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:11" (3/4) ...
[2023-11-19 07:39:21,528 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:39:21,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2023-11-19 07:39:21,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 07:39:21,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 07:39:21,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 07:39:21,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:39:21,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 07:39:21,547 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2023-11-19 07:39:21,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:39:21,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:39:21,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:39:21,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:39:21,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:39:21,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:39:21,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:39:21,701 INFO L158 Benchmark]: Toolchain (without parser) took 11218.08ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 110.9MB in the beginning and 49.3MB in the end (delta: 61.6MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,702 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 101.3MB in the end (delta: 129.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:39:21,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.03ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 91.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.32ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,704 INFO L158 Benchmark]: Boogie Preprocessor took 64.79ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,704 INFO L158 Benchmark]: RCFGBuilder took 598.33ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 111.7MB in the end (delta: -24.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,704 INFO L158 Benchmark]: TraceAbstraction took 9725.01ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 113.9MB in the beginning and 56.7MB in the end (delta: 57.2MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,705 INFO L158 Benchmark]: Witness Printer took 174.62ms. Allocated memory is still 182.5MB. Free memory was 56.7MB in the beginning and 49.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:39:21,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.57ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 101.3MB in the end (delta: 129.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 556.03ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 91.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 79.32ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 64.79ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 598.33ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 111.7MB in the end (delta: -24.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 9725.01ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 113.9MB in the beginning and 56.7MB in the end (delta: 57.2MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB.
* Witness Printer took 174.62ms. Allocated memory is still 182.5MB. Free memory was 56.7MB in the beginning and 49.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
- GenericResultAtLocation [Line: 444]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444]
- GenericResultAtLocation [Line: 453]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
- GenericResultAtLocation [Line: 563]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563]
- GenericResultAtLocation [Line: 665]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665]
- GenericResultAtLocation [Line: 700]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
- GenericResultAtLocation [Line: 926]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 449]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2122 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2099 mSDsluCounter, 4494 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3472 mSDsCounter, 415 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3042 IncrementalHoareTripleChecker+Invalid, 3457 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 415 mSolverCounterUnsat, 1022 mSDtfsCounter, 3042 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 644 GetRequests, 483 SyntacticMatches, 14 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=642occurred in iteration=11, InterpolantAutomatonStates: 144, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 259 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 471 PreInvPairs, 497 NumberOfFragments, 281 HoareAnnotationTreeSize, 471 FomulaSimplifications, 2095 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1803 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 835 NumberOfCodeBlocks, 835 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1018 ConstructedInterpolants, 0 QuantifiedInterpolants, 2039 SizeOfPredicates, 11 NumberOfNonLiveVariables, 691 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 322/371 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 937]: Loop Invariant
Derived loop invariant: ((((2 <= waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel)))
- InvariantResult [Line: 576]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 936]: Loop Invariant
Derived loop invariant: 0
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:39:21,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b220496c-4ee4-44dd-a0bd-fa234b8ad781/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE