./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 839c364b
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd523f7f98069bc15a8892c75be26f15a858863c31fc6ea863dcd5f92e46c458
--- Real Ultimate output ---
This is Ultimate 0.2.2-hotfix-svcomp22-839c364
[2021-11-25 04:33:51,317 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-25 04:33:51,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-25 04:33:51,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-25 04:33:51,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-25 04:33:51,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-25 04:33:51,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-25 04:33:51,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-25 04:33:51,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-25 04:33:51,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-25 04:33:51,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-25 04:33:51,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-25 04:33:51,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-25 04:33:51,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-25 04:33:51,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-25 04:33:51,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-25 04:33:51,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-25 04:33:51,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-25 04:33:51,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-25 04:33:51,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-25 04:33:51,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-25 04:33:51,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-25 04:33:51,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-25 04:33:51,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-25 04:33:51,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-25 04:33:51,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-25 04:33:51,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-25 04:33:51,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-25 04:33:51,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-25 04:33:51,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-25 04:33:51,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-25 04:33:51,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-25 04:33:51,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-25 04:33:51,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-25 04:33:51,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-25 04:33:51,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-25 04:33:51,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-25 04:33:51,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-25 04:33:51,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-25 04:33:51,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-25 04:33:51,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-25 04:33:51,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2021-11-25 04:33:51,431 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-25 04:33:51,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-25 04:33:51,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-25 04:33:51,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-25 04:33:51,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-25 04:33:51,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-25 04:33:51,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-25 04:33:51,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-25 04:33:51,434 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-25 04:33:51,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-25 04:33:51,435 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-25 04:33:51,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-25 04:33:51,435 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-25 04:33:51,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-25 04:33:51,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-25 04:33:51,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-25 04:33:51,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-25 04:33:51,436 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-25 04:33:51,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-25 04:33:51,436 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-25 04:33:51,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-25 04:33:51,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-25 04:33:51,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-25 04:33:51,437 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-11-25 04:33:51,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-25 04:33:51,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:33:51,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-25 04:33:51,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-25 04:33:51,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-25 04:33:51,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-25 04:33:51,439 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2021-11-25 04:33:51,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-25 04:33:51,439 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-25 04:33:51,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-25 04:33:51,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-25 04:33:51,440 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-25 04:33:51,440 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-25 04:33:51,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd523f7f98069bc15a8892c75be26f15a858863c31fc6ea863dcd5f92e46c458
[2021-11-25 04:33:51,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-25 04:33:51,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-25 04:33:51,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-25 04:33:51,777 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-25 04:33:51,778 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-25 04:33:51,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c
[2021-11-25 04:33:51,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/data/fad603229/20e265b142c948719263508fe9864c5f/FLAG3f36ccc15
[2021-11-25 04:33:52,312 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-25 04:33:52,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c
[2021-11-25 04:33:52,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/data/fad603229/20e265b142c948719263508fe9864c5f/FLAG3f36ccc15
[2021-11-25 04:33:52,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/data/fad603229/20e265b142c948719263508fe9864c5f
[2021-11-25 04:33:52,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-25 04:33:52,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-25 04:33:52,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-25 04:33:52,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-25 04:33:52,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-25 04:33:52,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:52" (1/1) ...
[2021-11-25 04:33:52,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cb50cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:52, skipping insertion in model container
[2021-11-25 04:33:52,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:52" (1/1) ...
[2021-11-25 04:33:52,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-25 04:33:52,753 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-25 04:33:52,985 WARN L230 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_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c[2087,2100]
[2021-11-25 04:33:52,989 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:33:53,000 INFO L203 MainTranslator]: Completed pre-run
[2021-11-25 04:33:53,045 WARN L230 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_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c[2087,2100]
[2021-11-25 04:33:53,053 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:33:53,075 INFO L208 MainTranslator]: Completed translation
[2021-11-25 04:33:53,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53 WrapperNode
[2021-11-25 04:33:53,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-25 04:33:53,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-25 04:33:53,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-25 04:33:53,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-25 04:33:53,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,138 INFO L137 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76
[2021-11-25 04:33:53,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-25 04:33:53,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-25 04:33:53,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-25 04:33:53,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-25 04:33:53,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-25 04:33:53,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-25 04:33:53,204 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-25 04:33:53,204 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-25 04:33:53,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (1/1) ...
[2021-11-25 04:33:53,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:33:53,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:33:53,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-25 04:33:53,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-25 04:33:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-25 04:33:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2021-11-25 04:33:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-25 04:33:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2021-11-25 04:33:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-25 04:33:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-25 04:33:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-25 04:33:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-25 04:33:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-11-25 04:33:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-11-25 04:33:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-25 04:33:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-25 04:33:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-25 04:33:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-25 04:33:53,316 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-25 04:33:53,439 INFO L236 CfgBuilder]: Building ICFG
[2021-11-25 04:33:53,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-25 04:33:53,678 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-25 04:33:53,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-25 04:33:53,735 INFO L301 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-25 04:33:53,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:53 BoogieIcfgContainer
[2021-11-25 04:33:53,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-25 04:33:53,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-25 04:33:53,741 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-25 04:33:53,745 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-25 04:33:53,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:33:52" (1/3) ...
[2021-11-25 04:33:53,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a36a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:33:53, skipping insertion in model container
[2021-11-25 04:33:53,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:53" (2/3) ...
[2021-11-25 04:33:53,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a36a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:33:53, skipping insertion in model container
[2021-11-25 04:33:53,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:53" (3/3) ...
[2021-11-25 04:33:53,749 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c
[2021-11-25 04:33:53,756 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-25 04:33:53,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-25 04:33:53,757 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-25 04:33:53,757 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-25 04:33:53,792 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,792 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,793 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,793 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,793 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,794 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,796 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,797 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,798 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,798 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,815 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,815 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:53,818 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-11-25 04:33:53,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-25 04:33:53,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:33:53,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-25 04:33:53,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-25 04:33:53,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-11-25 04:33:53,962 INFO L339 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-25 04:33:53,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-11-25 04:33:54,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:33:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:33:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1674043605, now seen corresponding path program 1 times
[2021-11-25 04:33:54,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:33:54,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281477347]
[2021-11-25 04:33:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:54,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:33:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:33:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:54,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:33:54,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281477347]
[2021-11-25 04:33:54,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281477347] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:33:54,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:33:54,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:33:54,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643777544]
[2021-11-25 04:33:54,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:33:54,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-25 04:33:54,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:33:54,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-25 04:33:54,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-25 04:33:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:54,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:33:54,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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)
[2021-11-25 04:33:54,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:54,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-25 04:33:54,621 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:33:54,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:33:54,622 INFO L85 PathProgramCache]: Analyzing trace with hash 74265331, now seen corresponding path program 1 times
[2021-11-25 04:33:54,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:33:54,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373312266]
[2021-11-25 04:33:54,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:54,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:33:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:33:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:55,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:33:55,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373312266]
[2021-11-25 04:33:55,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373312266] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:33:55,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:33:55,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2021-11-25 04:33:55,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732027953]
[2021-11-25 04:33:55,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:33:55,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-25 04:33:55,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:33:55,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-25 04:33:55,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2021-11-25 04:33:55,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:55,597 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:33:55,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2021-11-25 04:33:55,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:55,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:56,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:56,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:33:56,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-25 04:33:56,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:33:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:33:56,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1905362225, now seen corresponding path program 1 times
[2021-11-25 04:33:56,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:33:56,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523822412]
[2021-11-25 04:33:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:56,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:33:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:33:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:56,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:33:56,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523822412]
[2021-11-25 04:33:56,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523822412] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:33:56,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275500264]
[2021-11-25 04:33:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:56,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:33:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:33:56,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:33:56,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-25 04:33:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:33:56,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-25 04:33:56,967 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:33:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:58,108 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:33:59,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:59,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275500264] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:33:59,005 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:33:59,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 37
[2021-11-25 04:33:59,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836382277]
[2021-11-25 04:33:59,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:33:59,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2021-11-25 04:33:59,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:33:59,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2021-11-25 04:33:59,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1120, Unknown=0, NotChecked=0, Total=1332
[2021-11-25 04:33:59,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:59,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:33:59,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.6216216216216215) internal successors, (134), 37 states have internal predecessors, (134), 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)
[2021-11-25 04:33:59,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:59,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:33:59,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2021-11-25 04:34:01,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2021-11-25 04:34:01,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:01,869 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:01,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2022628993, now seen corresponding path program 2 times
[2021-11-25 04:34:01,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:01,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266181921]
[2021-11-25 04:34:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:01,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:02,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:02,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266181921]
[2021-11-25 04:34:02,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266181921] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:02,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543427188]
[2021-11-25 04:34:02,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-25 04:34:02,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:02,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:02,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-25 04:34:02,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-25 04:34:02,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:02,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-11-25 04:34:02,405 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:03,491 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:04,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543427188] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:04,805 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:04,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46
[2021-11-25 04:34:04,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759764886]
[2021-11-25 04:34:04,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:04,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2021-11-25 04:34:04,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2021-11-25 04:34:04,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1845, Unknown=0, NotChecked=0, Total=2070
[2021-11-25 04:34:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:04,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:04,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.239130434782609) internal successors, (149), 46 states have internal predecessors, (149), 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)
[2021-11-25 04:34:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states.
[2021-11-25 04:34:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2021-11-25 04:34:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states.
[2021-11-25 04:34:07,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-11-25 04:34:07,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:07,240 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:07,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 32700943, now seen corresponding path program 3 times
[2021-11-25 04:34:07,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:07,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078281302]
[2021-11-25 04:34:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:07,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-25 04:34:07,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:07,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078281302]
[2021-11-25 04:34:07,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078281302] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:07,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919583116]
[2021-11-25 04:34:07,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-25 04:34:07,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:07,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:07,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:07,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-25 04:34:07,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2021-11-25 04:34:07,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:07,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 34 conjunts are in the unsatisfiable core
[2021-11-25 04:34:07,779 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:08,966 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:10,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919583116] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:10,029 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:10,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 54
[2021-11-25 04:34:10,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138303460]
[2021-11-25 04:34:10,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:10,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2021-11-25 04:34:10,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:10,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2021-11-25 04:34:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=2602, Unknown=0, NotChecked=0, Total=2862
[2021-11-25 04:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:10,034 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:10,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.037037037037037) internal successors, (164), 54 states have internal predecessors, (164), 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)
[2021-11-25 04:34:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states.
[2021-11-25 04:34:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states.
[2021-11-25 04:34:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states.
[2021-11-25 04:34:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states.
[2021-11-25 04:34:15,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2021-11-25 04:34:16,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:16,026 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:16,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:16,027 INFO L85 PathProgramCache]: Analyzing trace with hash -19620675, now seen corresponding path program 1 times
[2021-11-25 04:34:16,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:16,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910482148]
[2021-11-25 04:34:16,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:16,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:16,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:16,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910482148]
[2021-11-25 04:34:16,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910482148] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:16,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115593222]
[2021-11-25 04:34:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:16,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:16,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:16,356 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:16,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-25 04:34:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:16,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 23 conjunts are in the unsatisfiable core
[2021-11-25 04:34:16,418 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:17,013 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:17,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115593222] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:17,645 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:17,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 37
[2021-11-25 04:34:17,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257858178]
[2021-11-25 04:34:17,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:17,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2021-11-25 04:34:17,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:17,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2021-11-25 04:34:17,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332
[2021-11-25 04:34:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:17,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:17,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.2972972972972974) internal successors, (122), 37 states have internal predecessors, (122), 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)
[2021-11-25 04:34:17,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:17,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:17,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states.
[2021-11-25 04:34:17,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:17,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states.
[2021-11-25 04:34:17,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:34:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2021-11-25 04:34:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2021-11-25 04:34:20,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-25 04:34:20,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2021-11-25 04:34:20,651 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:20,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2114740411, now seen corresponding path program 2 times
[2021-11-25 04:34:20,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:20,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448399670]
[2021-11-25 04:34:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:20,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:21,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:21,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448399670]
[2021-11-25 04:34:21,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448399670] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:21,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541871129]
[2021-11-25 04:34:21,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-25 04:34:21,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:21,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:21,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:21,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-11-25 04:34:21,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-25 04:34:21,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:21,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 29 conjunts are in the unsatisfiable core
[2021-11-25 04:34:21,193 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:22,058 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:22,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541871129] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:22,699 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:22,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 19] total 44
[2021-11-25 04:34:22,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188171489]
[2021-11-25 04:34:22,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:22,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states
[2021-11-25 04:34:22,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:22,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants.
[2021-11-25 04:34:22,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1695, Unknown=0, NotChecked=0, Total=1892
[2021-11-25 04:34:22,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:22,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:22,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.0) internal successors, (132), 44 states have internal predecessors, (132), 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)
[2021-11-25 04:34:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:22,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:22,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:34:22,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2021-11-25 04:34:22,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states.
[2021-11-25 04:34:22,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:34:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2021-11-25 04:34:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2021-11-25 04:34:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:34:25,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2021-11-25 04:34:26,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:26,043 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:26,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:26,044 INFO L85 PathProgramCache]: Analyzing trace with hash 670831563, now seen corresponding path program 3 times
[2021-11-25 04:34:26,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:26,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232317461]
[2021-11-25 04:34:26,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:26,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:26,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:26,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232317461]
[2021-11-25 04:34:26,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232317461] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:26,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235836017]
[2021-11-25 04:34:26,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-25 04:34:26,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:26,587 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:26,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-11-25 04:34:26,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2021-11-25 04:34:26,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:26,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 35 conjunts are in the unsatisfiable core
[2021-11-25 04:34:26,679 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:27,644 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:28,497 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:28,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235836017] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:28,497 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:28,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 21] total 50
[2021-11-25 04:34:28,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994450403]
[2021-11-25 04:34:28,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:28,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2021-11-25 04:34:28,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:28,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2021-11-25 04:34:28,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2240, Unknown=0, NotChecked=0, Total=2450
[2021-11-25 04:34:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:28,500 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:28,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.9) internal successors, (145), 50 states have internal predecessors, (145), 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)
[2021-11-25 04:34:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:34:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2021-11-25 04:34:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states.
[2021-11-25 04:34:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:34:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:32,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:34:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2021-11-25 04:34:32,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-11-25 04:34:32,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2021-11-25 04:34:32,533 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:32,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:32,533 INFO L85 PathProgramCache]: Analyzing trace with hash -564283707, now seen corresponding path program 4 times
[2021-11-25 04:34:32,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:32,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396594312]
[2021-11-25 04:34:32,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:32,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-25 04:34:33,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:33,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396594312]
[2021-11-25 04:34:33,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396594312] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:33,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428492324]
[2021-11-25 04:34:33,127 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-25 04:34:33,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:33,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:33,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-11-25 04:34:33,198 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-25 04:34:33,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:33,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 53 conjunts are in the unsatisfiable core
[2021-11-25 04:34:33,204 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:34,773 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:35,885 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-25 04:34:35,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428492324] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:35,885 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:35,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 32, 23] total 61
[2021-11-25 04:34:35,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609641856]
[2021-11-25 04:34:35,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:35,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states
[2021-11-25 04:34:35,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:35,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants.
[2021-11-25 04:34:35,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=3394, Unknown=0, NotChecked=0, Total=3660
[2021-11-25 04:34:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:35,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:35,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.7049180327868854) internal successors, (165), 61 states have internal predecessors, (165), 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)
[2021-11-25 04:34:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2021-11-25 04:34:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:34:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2021-11-25 04:34:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states.
[2021-11-25 04:34:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:34:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states.
[2021-11-25 04:34:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states.
[2021-11-25 04:34:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2021-11-25 04:34:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states.
[2021-11-25 04:34:43,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2021-11-25 04:34:43,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2021-11-25 04:34:43,935 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:43,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1371418105, now seen corresponding path program 5 times
[2021-11-25 04:34:43,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:43,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655783182]
[2021-11-25 04:34:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:43,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:44,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:44,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655783182]
[2021-11-25 04:34:44,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655783182] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:44,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862104502]
[2021-11-25 04:34:44,562 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-25 04:34:44,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:44,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:44,567 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:44,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-11-25 04:34:44,644 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s)
[2021-11-25 04:34:44,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:44,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 35 conjunts are in the unsatisfiable core
[2021-11-25 04:34:44,648 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:45,734 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-25 04:34:46,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862104502] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:46,569 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:46,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 21] total 51
[2021-11-25 04:34:46,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671991849]
[2021-11-25 04:34:46,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:46,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states
[2021-11-25 04:34:46,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:46,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2021-11-25 04:34:46,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=2327, Unknown=0, NotChecked=0, Total=2550
[2021-11-25 04:34:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:46,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:46,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.9215686274509802) internal successors, (149), 51 states have internal predecessors, (149), 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)
[2021-11-25 04:34:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2021-11-25 04:34:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:34:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states.
[2021-11-25 04:34:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:34:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states.
[2021-11-25 04:34:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states.
[2021-11-25 04:34:46,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states.
[2021-11-25 04:34:46,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:34:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:34:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states.
[2021-11-25 04:34:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:34:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states.
[2021-11-25 04:34:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:34:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:34:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2021-11-25 04:34:55,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2021-11-25 04:34:55,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2021-11-25 04:34:55,419 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:55,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:55,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1290643259, now seen corresponding path program 6 times
[2021-11-25 04:34:55,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:55,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365273291]
[2021-11-25 04:34:55,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:55,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2021-11-25 04:34:55,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:55,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365273291]
[2021-11-25 04:34:55,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365273291] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:55,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806654641]
[2021-11-25 04:34:55,490 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-25 04:34:55,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:55,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:55,491 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:55,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-11-25 04:34:55,589 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2021-11-25 04:34:55,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:34:55,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-25 04:34:55,593 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2021-11-25 04:34:55,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-25 04:34:55,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806654641] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:34:55,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-25 04:34:55,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5
[2021-11-25 04:34:55,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204247365]
[2021-11-25 04:34:55,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:34:55,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-25 04:34:55,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:55,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-25 04:34:55,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-11-25 04:34:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:55,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:55,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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)
[2021-11-25 04:34:55,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:55,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:55,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:34:55,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:34:55,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states.
[2021-11-25 04:34:55,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:34:55,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states.
[2021-11-25 04:34:55,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:34:55,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:34:55,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2021-11-25 04:34:55,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:34:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:34:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states.
[2021-11-25 04:34:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:34:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states.
[2021-11-25 04:34:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:34:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:34:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2021-11-25 04:34:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:34:55,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-11-25 04:34:56,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2021-11-25 04:34:56,070 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:34:56,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:34:56,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1673633569, now seen corresponding path program 7 times
[2021-11-25 04:34:56,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:34:56,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134374035]
[2021-11-25 04:34:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:34:56,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:34:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-25 04:34:56,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:34:56,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134374035]
[2021-11-25 04:34:56,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134374035] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:34:56,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577030528]
[2021-11-25 04:34:56,885 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-25 04:34:56,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:34:56,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:34:56,889 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:34:56,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2021-11-25 04:34:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:34:56,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 59 conjunts are in the unsatisfiable core
[2021-11-25 04:34:56,989 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:34:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:34:58,747 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:34:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 50 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-11-25 04:34:59,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577030528] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:34:59,751 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:34:59,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 35, 23] total 66
[2021-11-25 04:34:59,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128274148]
[2021-11-25 04:34:59,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:34:59,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states
[2021-11-25 04:34:59,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:34:59,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants.
[2021-11-25 04:34:59,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=4027, Unknown=0, NotChecked=0, Total=4290
[2021-11-25 04:34:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:59,756 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:34:59,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.6363636363636362) internal successors, (174), 66 states have internal predecessors, (174), 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)
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2021-11-25 04:34:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:34:59,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states.
[2021-11-25 04:35:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2021-11-25 04:35:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states.
[2021-11-25 04:35:06,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2021-11-25 04:35:06,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:35:06,520 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:35:06,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:35:06,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1661133007, now seen corresponding path program 8 times
[2021-11-25 04:35:06,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:35:06,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224037627]
[2021-11-25 04:35:06,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:35:06,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:35:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:35:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2021-11-25 04:35:07,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:35:07,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224037627]
[2021-11-25 04:35:07,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224037627] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:35:07,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959317907]
[2021-11-25 04:35:07,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-25 04:35:07,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:35:07,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:35:07,384 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:35:07,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2021-11-25 04:35:07,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-25 04:35:07,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:35:07,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 77 conjunts are in the unsatisfiable core
[2021-11-25 04:35:07,480 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:35:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:35:09,589 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:35:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 16 proven. 110 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2021-11-25 04:35:10,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959317907] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:35:10,691 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:35:10,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 44, 25] total 77
[2021-11-25 04:35:10,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506756551]
[2021-11-25 04:35:10,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:35:10,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2021-11-25 04:35:10,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:35:10,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2021-11-25 04:35:10,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=5536, Unknown=0, NotChecked=0, Total=5852
[2021-11-25 04:35:10,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:10,695 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:35:10,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.5194805194805197) internal successors, (194), 77 states have internal predecessors, (194), 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)
[2021-11-25 04:35:10,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:10,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:10,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:10,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:35:10,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states.
[2021-11-25 04:35:10,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states.
[2021-11-25 04:35:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:35:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:35:22,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2021-11-25 04:35:23,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:35:23,067 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:35:23,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:35:23,068 INFO L85 PathProgramCache]: Analyzing trace with hash -702981539, now seen corresponding path program 9 times
[2021-11-25 04:35:23,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:35:23,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383971104]
[2021-11-25 04:35:23,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:35:23,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:35:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:35:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked.
[2021-11-25 04:35:23,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:35:23,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383971104]
[2021-11-25 04:35:23,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383971104] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:35:23,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529766494]
[2021-11-25 04:35:23,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-25 04:35:23,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:35:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:35:23,648 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:35:23,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2021-11-25 04:35:23,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2021-11-25 04:35:23,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:35:23,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 74 conjunts are in the unsatisfiable core
[2021-11-25 04:35:23,791 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:35:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:35:25,900 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:35:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 4 proven. 96 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2021-11-25 04:35:27,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529766494] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:35:27,929 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:35:27,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 43, 29] total 84
[2021-11-25 04:35:27,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113039059]
[2021-11-25 04:35:27,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:35:27,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states
[2021-11-25 04:35:27,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:35:27,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants.
[2021-11-25 04:35:27,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=524, Invalid=6448, Unknown=0, NotChecked=0, Total=6972
[2021-11-25 04:35:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:27,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:35:27,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 2.7857142857142856) internal successors, (234), 84 states have internal predecessors, (234), 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)
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states.
[2021-11-25 04:35:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:35:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:35:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:35:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:35:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2021-11-25 04:35:37,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2021-11-25 04:35:37,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2021-11-25 04:35:37,550 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:35:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:35:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash -743172483, now seen corresponding path program 10 times
[2021-11-25 04:35:37,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:35:37,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086472854]
[2021-11-25 04:35:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:35:37,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:35:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:35:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked.
[2021-11-25 04:35:38,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:35:38,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086472854]
[2021-11-25 04:35:38,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086472854] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:35:38,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873813049]
[2021-11-25 04:35:38,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-25 04:35:38,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:35:38,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:35:38,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:35:38,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2021-11-25 04:35:38,475 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-25 04:35:38,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:35:38,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 95 conjunts are in the unsatisfiable core
[2021-11-25 04:35:38,482 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:35:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:35:40,998 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:35:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2021-11-25 04:35:42,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873813049] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:35:42,205 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:35:42,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 52, 23] total 83
[2021-11-25 04:35:42,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130820565]
[2021-11-25 04:35:42,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:35:42,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states
[2021-11-25 04:35:42,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:35:42,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants.
[2021-11-25 04:35:42,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=6494, Unknown=0, NotChecked=0, Total=6806
[2021-11-25 04:35:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:42,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:35:42,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 2.4578313253012047) internal successors, (204), 83 states have internal predecessors, (204), 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)
[2021-11-25 04:35:42,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:42,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:42,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2021-11-25 04:35:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:35:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:35:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2021-11-25 04:35:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:35:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:35:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:35:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:35:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:35:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:35:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:35:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:35:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:35:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2021-11-25 04:35:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:35:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:35:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:35:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2021-11-25 04:35:54,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states.
[2021-11-25 04:35:54,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2021-11-25 04:35:54,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2021-11-25 04:35:54,378 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:35:54,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:35:54,378 INFO L85 PathProgramCache]: Analyzing trace with hash 228336521, now seen corresponding path program 11 times
[2021-11-25 04:35:54,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:35:54,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613900695]
[2021-11-25 04:35:54,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:35:54,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:35:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:35:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-25 04:35:55,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:35:55,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613900695]
[2021-11-25 04:35:55,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613900695] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:35:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935185380]
[2021-11-25 04:35:55,304 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-25 04:35:55,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:35:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:35:55,305 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:35:55,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2021-11-25 04:35:55,435 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s)
[2021-11-25 04:35:55,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:35:55,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 114 conjunts are in the unsatisfiable core
[2021-11-25 04:35:55,444 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:35:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:35:58,834 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:36:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 27 proven. 221 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked.
[2021-11-25 04:36:00,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935185380] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:36:00,620 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:36:00,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 61, 34] total 108
[2021-11-25 04:36:00,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196431460]
[2021-11-25 04:36:00,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:36:00,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states
[2021-11-25 04:36:00,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:36:00,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants.
[2021-11-25 04:36:00,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=10904, Unknown=0, NotChecked=0, Total=11556
[2021-11-25 04:36:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:00,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:36:00,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 2.564814814814815) internal successors, (277), 108 states have internal predecessors, (277), 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)
[2021-11-25 04:36:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:00,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2021-11-25 04:36:00,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states.
[2021-11-25 04:36:00,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states.
[2021-11-25 04:36:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:36:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:36:16,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2021-11-25 04:36:16,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-11-25 04:36:16,562 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:36:16,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:36:16,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1735576371, now seen corresponding path program 12 times
[2021-11-25 04:36:16,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:36:16,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871127092]
[2021-11-25 04:36:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:36:16,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:36:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:36:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked.
[2021-11-25 04:36:17,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:36:17,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871127092]
[2021-11-25 04:36:17,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871127092] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:36:17,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970823918]
[2021-11-25 04:36:17,191 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-25 04:36:17,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:36:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:36:17,192 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:36:17,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2021-11-25 04:36:17,303 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s)
[2021-11-25 04:36:17,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:36:17,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 106 conjunts are in the unsatisfiable core
[2021-11-25 04:36:17,309 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:36:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:36:20,712 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:36:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked.
[2021-11-25 04:36:23,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970823918] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:36:23,160 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:36:23,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 64, 25] total 107
[2021-11-25 04:36:23,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348450183]
[2021-11-25 04:36:23,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:36:23,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states
[2021-11-25 04:36:23,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:36:23,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants.
[2021-11-25 04:36:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=875, Invalid=10467, Unknown=0, NotChecked=0, Total=11342
[2021-11-25 04:36:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:23,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:36:23,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.560747663551402) internal successors, (274), 107 states have internal predecessors, (274), 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)
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:36:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:36:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states.
[2021-11-25 04:36:50,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2021-11-25 04:36:51,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2021-11-25 04:36:51,143 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:36:51,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:36:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash -396496971, now seen corresponding path program 13 times
[2021-11-25 04:36:51,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:36:51,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772937707]
[2021-11-25 04:36:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:36:51,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:36:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:36:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 66 proven. 67 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked.
[2021-11-25 04:36:51,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:36:51,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772937707]
[2021-11-25 04:36:51,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772937707] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:36:51,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376464103]
[2021-11-25 04:36:51,240 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-25 04:36:51,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:36:51,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:36:51,243 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:36:51,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2021-11-25 04:36:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:36:51,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 26 conjunts are in the unsatisfiable core
[2021-11-25 04:36:51,362 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:36:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 66 proven. 50 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked.
[2021-11-25 04:36:51,623 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:36:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 66 proven. 50 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked.
[2021-11-25 04:36:51,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376464103] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:36:51,990 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:36:51,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6
[2021-11-25 04:36:51,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211232153]
[2021-11-25 04:36:51,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:36:51,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-25 04:36:51,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:36:51,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-25 04:36:51,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-11-25 04:36:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:51,993 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:36:51,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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)
[2021-11-25 04:36:51,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:51,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states.
[2021-11-25 04:36:51,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:36:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:36:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states.
[2021-11-25 04:36:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states.
[2021-11-25 04:36:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:36:52,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2021-11-25 04:36:52,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:36:52,785 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:36:52,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:36:52,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1229110827, now seen corresponding path program 14 times
[2021-11-25 04:36:52,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:36:52,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012398612]
[2021-11-25 04:36:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:36:52,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:36:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:36:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked.
[2021-11-25 04:36:53,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:36:53,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012398612]
[2021-11-25 04:36:53,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012398612] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:36:53,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409766423]
[2021-11-25 04:36:53,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-25 04:36:53,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:36:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:36:53,651 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:36:53,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2021-11-25 04:36:53,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-25 04:36:53,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:36:53,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 137 conjunts are in the unsatisfiable core
[2021-11-25 04:36:53,777 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:36:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:36:57,457 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:36:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked.
[2021-11-25 04:36:58,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409766423] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:36:58,561 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:36:58,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 73, 22] total 102
[2021-11-25 04:36:58,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946293993]
[2021-11-25 04:36:58,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:36:58,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 102 states
[2021-11-25 04:36:58,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:36:58,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants.
[2021-11-25 04:36:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=9908, Unknown=0, NotChecked=0, Total=10302
[2021-11-25 04:36:58,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:58,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:36:58,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 2.303921568627451) internal successors, (235), 102 states have internal predecessors, (235), 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)
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:36:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:36:58,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states.
[2021-11-25 04:36:58,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:36:58,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:37:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:37:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:37:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:37:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:37:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states.
[2021-11-25 04:37:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:37:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states.
[2021-11-25 04:37:19,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2021-11-25 04:37:19,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:37:19,950 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:37:19,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:37:19,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1128473361, now seen corresponding path program 15 times
[2021-11-25 04:37:19,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:37:19,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805976566]
[2021-11-25 04:37:19,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:37:19,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:37:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:37:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 0 proven. 299 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked.
[2021-11-25 04:37:20,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:37:20,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805976566]
[2021-11-25 04:37:20,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805976566] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:37:20,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410443813]
[2021-11-25 04:37:20,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-25 04:37:20,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:37:20,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:37:20,710 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:37:20,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2021-11-25 04:37:20,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s)
[2021-11-25 04:37:20,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:37:20,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 138 conjunts are in the unsatisfiable core
[2021-11-25 04:37:20,854 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:37:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 0 proven. 689 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:37:25,234 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:37:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 1 proven. 274 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked.
[2021-11-25 04:37:28,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410443813] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:37:28,167 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:37:28,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 82, 29] total 130
[2021-11-25 04:37:28,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572048518]
[2021-11-25 04:37:28,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:37:28,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states
[2021-11-25 04:37:28,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:37:28,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants.
[2021-11-25 04:37:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=947, Invalid=15823, Unknown=0, NotChecked=0, Total=16770
[2021-11-25 04:37:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:37:28,171 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:37:28,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.4153846153846152) internal successors, (314), 130 states have internal predecessors, (314), 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)
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:37:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states.
[2021-11-25 04:37:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:37:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states.
[2021-11-25 04:37:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states.
[2021-11-25 04:37:58,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0
[2021-11-25 04:37:58,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:37:58,722 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:37:58,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:37:58,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1844531901, now seen corresponding path program 16 times
[2021-11-25 04:37:58,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:37:58,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055012795]
[2021-11-25 04:37:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:37:58,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:37:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:37:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 466 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked.
[2021-11-25 04:37:59,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:37:59,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055012795]
[2021-11-25 04:37:59,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055012795] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:37:59,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817097150]
[2021-11-25 04:37:59,746 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-25 04:37:59,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:37:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:37:59,750 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:37:59,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2021-11-25 04:37:59,874 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-25 04:37:59,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:37:59,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 197 conjunts are in the unsatisfiable core
[2021-11-25 04:37:59,885 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:38:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 1166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:38:05,736 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:38:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 6 proven. 349 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked.
[2021-11-25 04:38:07,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817097150] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:38:07,293 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:38:07,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 103, 26] total 137
[2021-11-25 04:38:07,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131535286]
[2021-11-25 04:38:07,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:38:07,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states
[2021-11-25 04:38:07,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:38:07,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants.
[2021-11-25 04:38:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=18119, Unknown=0, NotChecked=0, Total=18632
[2021-11-25 04:38:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:38:07,298 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:38:07,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 2.1751824817518246) internal successors, (298), 137 states have internal predecessors, (298), 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)
[2021-11-25 04:38:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:38:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:38:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:38:07,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states.
[2021-11-25 04:38:07,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:38:07,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states.
[2021-11-25 04:38:07,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states.
[2021-11-25 04:38:07,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:38:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:38:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:38:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:38:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states.
[2021-11-25 04:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:38:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 331 states.
[2021-11-25 04:38:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states.
[2021-11-25 04:38:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states.
[2021-11-25 04:38:38,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0
[2021-11-25 04:38:38,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:38:38,189 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:38:38,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:38:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1512891605, now seen corresponding path program 17 times
[2021-11-25 04:38:38,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:38:38,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873670579]
[2021-11-25 04:38:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:38:38,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:38:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:38:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked.
[2021-11-25 04:38:39,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:38:39,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873670579]
[2021-11-25 04:38:39,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873670579] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:38:39,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063021434]
[2021-11-25 04:38:39,295 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-25 04:38:39,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:38:39,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:38:39,296 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:38:39,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2021-11-25 04:38:39,443 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s)
[2021-11-25 04:38:39,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:38:39,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 226 conjunts are in the unsatisfiable core
[2021-11-25 04:38:39,454 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:38:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 0 proven. 1566 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:38:46,815 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:38:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 67 proven. 685 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked.
[2021-11-25 04:38:49,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063021434] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:38:49,461 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:38:49,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 117, 34] total 165
[2021-11-25 04:38:49,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094241229]
[2021-11-25 04:38:49,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:38:49,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states
[2021-11-25 04:38:49,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:38:49,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants.
[2021-11-25 04:38:49,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1136, Invalid=25924, Unknown=0, NotChecked=0, Total=27060
[2021-11-25 04:38:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:38:49,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:38:49,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.296969696969697) internal successors, (379), 165 states have internal predecessors, (379), 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)
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states.
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states.
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:38:49,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:38:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 323 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 331 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 382 states.
[2021-11-25 04:38:49,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:39:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 331 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states.
[2021-11-25 04:39:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 426 states.
[2021-11-25 04:39:25,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2021-11-25 04:39:25,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:39:25,296 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:39:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:39:25,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2027976395, now seen corresponding path program 18 times
[2021-11-25 04:39:25,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:39:25,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228958350]
[2021-11-25 04:39:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:39:25,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:39:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:39:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 236 proven. 443 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked.
[2021-11-25 04:39:25,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:39:25,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228958350]
[2021-11-25 04:39:25,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228958350] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:39:25,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921632349]
[2021-11-25 04:39:25,473 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-25 04:39:25,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:39:25,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:39:25,475 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:39:25,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2021-11-25 04:39:25,681 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s)
[2021-11-25 04:39:25,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-25 04:39:25,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 45 conjunts are in the unsatisfiable core
[2021-11-25 04:39:25,689 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:39:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 240 proven. 413 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked.
[2021-11-25 04:39:26,086 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:39:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 240 proven. 413 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked.
[2021-11-25 04:39:26,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921632349] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:39:26,484 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:39:26,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9
[2021-11-25 04:39:26,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120577914]
[2021-11-25 04:39:26,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:39:26,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-11-25 04:39:26,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:39:26,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-11-25 04:39:26,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72
[2021-11-25 04:39:26,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:26,486 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:39:26,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.77777777777778) internal successors, (187), 9 states have internal predecessors, (187), 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)
[2021-11-25 04:39:26,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:26,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:39:26,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 323 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 331 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 382 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 426 states.
[2021-11-25 04:39:26,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:39:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:39:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 331 states.
[2021-11-25 04:39:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states.
[2021-11-25 04:39:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states.
[2021-11-25 04:39:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 426 states.
[2021-11-25 04:39:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-25 04:39:27,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0
[2021-11-25 04:39:27,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2021-11-25 04:39:27,243 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-25 04:39:27,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:39:27,243 INFO L85 PathProgramCache]: Analyzing trace with hash 530902517, now seen corresponding path program 19 times
[2021-11-25 04:39:27,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:39:27,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415349063]
[2021-11-25 04:39:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:39:27,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:39:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:39:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 955 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked.
[2021-11-25 04:39:28,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:39:28,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415349063]
[2021-11-25 04:39:28,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415349063] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-25 04:39:28,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513444216]
[2021-11-25 04:39:28,484 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-25 04:39:28,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-25 04:39:28,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:39:28,485 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-25 04:39:28,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2021-11-25 04:39:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:39:28,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 287 conjunts are in the unsatisfiable core
[2021-11-25 04:39:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-25 04:39:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 2576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:39:38,556 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-25 04:39:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 19 proven. 770 refuted. 0 times theorem prover too weak. 1787 trivial. 0 not checked.
[2021-11-25 04:39:40,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513444216] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-25 04:39:40,851 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-25 04:39:40,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 145, 27] total 181
[2021-11-25 04:39:40,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465461517]
[2021-11-25 04:39:40,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-25 04:39:40,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states
[2021-11-25 04:39:40,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:39:40,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants.
[2021-11-25 04:39:40,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=31901, Unknown=0, NotChecked=0, Total=32580
[2021-11-25 04:39:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:40,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:39:40,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 2.1049723756906076) internal successors, (381), 181 states have internal predecessors, (381), 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)
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states.
[2021-11-25 04:39:40,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 323 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 331 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 382 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 426 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2021-11-25 04:39:40,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:40:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:40:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-25 04:40:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states.
[2021-11-25 04:40:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2021-11-25 04:40:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states.
[2021-11-25 04:40:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states.
[2021-11-25 04:40:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states.
[2021-11-25 04:40:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 428 states.
[2021-11-25 04:40:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-25 04:40:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 435 states.
[2021-11-25 04:40:24,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2021-11-25 04:40:24,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2021-11-25 04:40:24,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining)
[2021-11-25 04:40:24,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0
[2021-11-25 04:40:24,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2021-11-25 04:40:24,624 INFO L732 BasicCegarLoop]: Path program histogram: [19, 3, 1, 1]
[2021-11-25 04:40:24,626 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-25 04:40:24,626 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-25 04:40:24,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:40:24 BasicIcfg
[2021-11-25 04:40:24,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-25 04:40:24,629 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-25 04:40:24,629 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-25 04:40:24,629 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-25 04:40:24,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:53" (3/4) ...
[2021-11-25 04:40:24,633 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-25 04:40:24,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2021-11-25 04:40:24,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2021-11-25 04:40:24,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2021-11-25 04:40:24,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-25 04:40:24,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-25 04:40:24,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-25 04:40:24,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/witness.graphml
[2021-11-25 04:40:24,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-25 04:40:24,667 INFO L158 Benchmark]: Toolchain (without parser) took 391962.92ms. Allocated memory was 98.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 59.2MB in the beginning and 844.4MB in the end (delta: -785.2MB). Peak memory consumption was 778.0MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,668 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:40:24,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.55ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 74.1MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.53ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 72.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,669 INFO L158 Benchmark]: Boogie Preprocessor took 62.57ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 71.6MB in the end (delta: 761.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,669 INFO L158 Benchmark]: RCFGBuilder took 534.66ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 58.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,670 INFO L158 Benchmark]: TraceAbstraction took 390888.24ms. Allocated memory was 98.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 57.7MB in the beginning and 846.5MB in the end (delta: -788.8MB). Peak memory consumption was 776.4MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,670 INFO L158 Benchmark]: Witness Printer took 37.42ms. Allocated memory is still 1.7GB. Free memory was 846.5MB in the beginning and 844.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-25 04:40:24,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 370.55ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 74.1MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 60.53ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 72.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 62.57ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 71.6MB in the end (delta: 761.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 534.66ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 58.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 390888.24ms. Allocated memory was 98.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 57.7MB in the beginning and 846.5MB in the end (delta: -788.8MB). Peak memory consumption was 776.4MB. Max. memory is 16.1GB.
* Witness Printer took 37.42ms. Allocated memory is still 1.7GB. Free memory was 846.5MB in the beginning and 844.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19230, positive: 10875, positive conditional: 10263, positive unconditional: 612, negative: 8355, negative conditional: 8353, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10983, positive: 10875, positive conditional: 10263, positive unconditional: 612, negative: 108, negative conditional: 106, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10983, positive: 10875, positive conditional: 10263, positive unconditional: 612, negative: 108, negative conditional: 106, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12997, positive: 10875, positive conditional: 10001, positive unconditional: 874, negative: 2122, negative conditional: 2014, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12997, positive: 10875, positive conditional: 7417, positive unconditional: 3458, negative: 2122, negative conditional: 2014, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12997, positive: 10875, positive conditional: 7417, positive unconditional: 3458, negative: 2122, negative conditional: 2014, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 626, positive: 567, positive conditional: 15, positive unconditional: 552, negative: 59, negative conditional: 57, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 626, positive: 551, positive conditional: 0, positive unconditional: 551, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 59, negative conditional: 57, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 23, positive conditional: 19, positive unconditional: 4, negative: 192, negative conditional: 130, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12997, positive: 10308, positive conditional: 7402, positive unconditional: 2906, negative: 2063, negative conditional: 1957, negative unconditional: 106, unknown: 626, unknown conditional: 72, unknown unconditional: 554] , Statistics on independence cache: Total cache size (in pairs): 626, Positive cache size: 567, Positive conditional cache size: 15, Positive unconditional cache size: 552, Negative cache size: 59, Negative conditional cache size: 57, Negative unconditional cache size: 2, Eliminated conditions: 2584, Maximal queried relation: 22, Independence queries for same thread: 8247
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 113, Number of trivial persistent sets: 82, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614, positive: 612, positive conditional: 0, positive unconditional: 612, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19230, positive: 10875, positive conditional: 10263, positive unconditional: 612, negative: 8355, negative conditional: 8353, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10983, positive: 10875, positive conditional: 10263, positive unconditional: 612, negative: 108, negative conditional: 106, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10983, positive: 10875, positive conditional: 10263, positive unconditional: 612, negative: 108, negative conditional: 106, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12997, positive: 10875, positive conditional: 10001, positive unconditional: 874, negative: 2122, negative conditional: 2014, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12997, positive: 10875, positive conditional: 7417, positive unconditional: 3458, negative: 2122, negative conditional: 2014, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12997, positive: 10875, positive conditional: 7417, positive unconditional: 3458, negative: 2122, negative conditional: 2014, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 626, positive: 567, positive conditional: 15, positive unconditional: 552, negative: 59, negative conditional: 57, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 626, positive: 551, positive conditional: 0, positive unconditional: 551, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 59, negative conditional: 57, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 23, positive conditional: 19, positive unconditional: 4, negative: 192, negative conditional: 130, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12997, positive: 10308, positive conditional: 7402, positive unconditional: 2906, negative: 2063, negative conditional: 1957, negative unconditional: 106, unknown: 626, unknown conditional: 72, unknown unconditional: 554] , Statistics on independence cache: Total cache size (in pairs): 626, Positive cache size: 567, Positive conditional cache size: 15, Positive unconditional cache size: 552, Negative cache size: 59, Negative conditional cache size: 57, Negative unconditional cache size: 2, Eliminated conditions: 2584, Maximal queried relation: 22, Independence queries for same thread: 8247
- 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: 76]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 390.8s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 284.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4044, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 98.2s InterpolantComputationTime, 6164 NumberOfCodeBlocks, 6146 NumberOfCodeBlocksAsserted, 136 NumberOfCheckSat, 9019 ConstructedInterpolants, 0 QuantifiedInterpolants, 80333 SizeOfPredicates, 700 NumberOfNonLiveVariables, 6533 ConjunctsInSsa, 1852 ConjunctsInUnsatCore, 67 InterpolantComputations, 3 PerfectInterpolantSequences, 15614/31496 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
RESULT: Ultimate proved your program to be correct!
[2021-11-25 04:40:24,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-11-25 04:40:24,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13bb99b-cfd3-4bd5-99ff-3f66946ebbfa/bin/ugemcutter-4L4vKOHkXZ/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