/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 02:21:34,438 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 02:21:34,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 02:21:34,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 02:21:34,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 02:21:34,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 02:21:34,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 02:21:34,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 02:21:34,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 02:21:34,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 02:21:34,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 02:21:34,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 02:21:34,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 02:21:34,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 02:21:34,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 02:21:34,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 02:21:34,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 02:21:34,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 02:21:34,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 02:21:34,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 02:21:34,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 02:21:34,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 02:21:34,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 02:21:34,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 02:21:34,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 02:21:34,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 02:21:34,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 02:21:34,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 02:21:34,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 02:21:34,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 02:21:34,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 02:21:34,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 02:21:34,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 02:21:34,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 02:21:34,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 02:21:34,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 02:21:34,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 02:21:34,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 02:21:34,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 02:21:34,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 02:21:34,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 02:21:34,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 02:21:34,608 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 02:21:34,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 02:21:34,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 02:21:34,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 02:21:34,612 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 02:21:34,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 02:21:34,613 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 02:21:34,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 02:21:34,613 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 02:21:34,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 02:21:34,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 02:21:34,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 02:21:34,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 02:21:34,616 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 02:21:34,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 02:21:34,616 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 02:21:34,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 02:21:34,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 02:21:34,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 02:21:34,617 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 02:21:34,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 02:21:34,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 02:21:34,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 02:21:34,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 02:21:34,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 02:21:34,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 02:21:34,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 02:21:34,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 02:21:34,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 02:21:34,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;
[2020-09-25 02:21:35,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 02:21:35,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 02:21:35,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 02:21:35,113 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 02:21:35,114 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 02:21:35,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c
[2020-09-25 02:21:35,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8370c0ab/15e99aab5c8a4f0980ac8f86c716da56/FLAG84d3d01e8
[2020-09-25 02:21:35,731 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 02:21:35,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.01.cil.c
[2020-09-25 02:21:35,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8370c0ab/15e99aab5c8a4f0980ac8f86c716da56/FLAG84d3d01e8
[2020-09-25 02:21:36,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8370c0ab/15e99aab5c8a4f0980ac8f86c716da56
[2020-09-25 02:21:36,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 02:21:36,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 02:21:36,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 02:21:36,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 02:21:36,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 02:21:36,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef001ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36, skipping insertion in model container
[2020-09-25 02:21:36,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 02:21:36,133 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 02:21:36,413 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 02:21:36,421 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 02:21:36,564 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 02:21:36,584 INFO L208 MainTranslator]: Completed translation
[2020-09-25 02:21:36,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36 WrapperNode
[2020-09-25 02:21:36,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 02:21:36,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 02:21:36,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 02:21:36,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 02:21:36,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
[2020-09-25 02:21:36,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 02:21:36,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 02:21:36,637 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 02:21:36,637 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 02:21:36,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 02:21:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 02:21:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 02:21:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure error
[2020-09-25 02:21:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure master
[2020-09-25 02:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1
[2020-09-25 02:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered
[2020-09-25 02:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered
[2020-09-25 02:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels
[2020-09-25 02:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads
[2020-09-25 02:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2020-09-25 02:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure eval
[2020-09-25 02:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2020-09-25 02:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2020-09-25 02:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads
[2020-09-25 02:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify
[2020-09-25 02:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events
[2020-09-25 02:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events
[2020-09-25 02:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model
[2020-09-25 02:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation
[2020-09-25 02:21:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation
[2020-09-25 02:21:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 02:21:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 02:21:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 02:21:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure error
[2020-09-25 02:21:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered
[2020-09-25 02:21:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered
[2020-09-25 02:21:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify
[2020-09-25 02:21:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure master
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure eval
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events
[2020-09-25 02:21:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events
[2020-09-25 02:21:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads
[2020-09-25 02:21:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events
[2020-09-25 02:21:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events
[2020-09-25 02:21:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure init_model
[2020-09-25 02:21:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation
[2020-09-25 02:21:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation
[2020-09-25 02:21:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 02:21:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 02:21:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 02:21:37,281 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 02:21:37,282 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 02:21:37,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:21:37 BoogieIcfgContainer
[2020-09-25 02:21:37,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 02:21:37,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 02:21:37,291 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 02:21:37,295 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 02:21:37,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:21:36" (1/3) ...
[2020-09-25 02:21:37,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5152a4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:21:37, skipping insertion in model container
[2020-09-25 02:21:37,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:36" (2/3) ...
[2020-09-25 02:21:37,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5152a4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:21:37, skipping insertion in model container
[2020-09-25 02:21:37,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:21:37" (3/3) ...
[2020-09-25 02:21:37,300 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c
[2020-09-25 02:21:37,314 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 02:21:37,326 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 02:21:37,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 02:21:37,386 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 02:21:37,386 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 02:21:37,386 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 02:21:37,386 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 02:21:37,387 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 02:21:37,387 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 02:21:37,387 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 02:21:37,387 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 02:21:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states.
[2020-09-25 02:21:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-09-25 02:21:37,432 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:21:37,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:21:37,434 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:21:37,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:21:37,441 INFO L82 PathProgramCache]: Analyzing trace with hash 486796623, now seen corresponding path program 1 times
[2020-09-25 02:21:37,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:21:37,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979539842]
[2020-09-25 02:21:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:21:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:37,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:38,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135
[2020-09-25 02:21:40,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 02:21:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2679
[2020-09-25 02:21:40,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109
[2020-09-25 02:21:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 02:21:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 02:21:40,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:21:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 02:21:40,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 02:21:40,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:40,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 02:21:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 02:21:40,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 02:21:40,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 02:21:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:21:40,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:40,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 02:21:40,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2020-09-25 02:21:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 02:21:40,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 02:21:40,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-25 02:21:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:40,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 02:21:40,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:40,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-09-25 02:21:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 02:21:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:40,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 02:21:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 02:21:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:40,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-25 02:21:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:40,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:40,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:40,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2020-09-25 02:21:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 02:21:40,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:40,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:40,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-09-25 02:21:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:40,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:40,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:40,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:40,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:40,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:40,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:40,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:40,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:40,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 02:21:40,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 02:21:40,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979539842]
[2020-09-25 02:21:40,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:21:40,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 02:21:40,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519934546]
[2020-09-25 02:21:40,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 02:21:40,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:21:40,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 02:21:40,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-25 02:21:40,819 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 7 states.
[2020-09-25 02:21:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:21:43,209 INFO L93 Difference]: Finished difference Result 708 states and 984 transitions.
[2020-09-25 02:21:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-09-25 02:21:43,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102
[2020-09-25 02:21:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:21:43,236 INFO L225 Difference]: With dead ends: 708
[2020-09-25 02:21:43,236 INFO L226 Difference]: Without dead ends: 516
[2020-09-25 02:21:43,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272
[2020-09-25 02:21:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states.
[2020-09-25 02:21:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 347.
[2020-09-25 02:21:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states.
[2020-09-25 02:21:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 433 transitions.
[2020-09-25 02:21:43,399 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 433 transitions. Word has length 102
[2020-09-25 02:21:43,400 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:21:43,400 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 433 transitions.
[2020-09-25 02:21:43,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 02:21:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 433 transitions.
[2020-09-25 02:21:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2020-09-25 02:21:43,414 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:21:43,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:21:43,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 02:21:43,415 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:21:43,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:21:43,416 INFO L82 PathProgramCache]: Analyzing trace with hash -2043764254, now seen corresponding path program 1 times
[2020-09-25 02:21:43,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:21:43,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399392485]
[2020-09-25 02:21:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:21:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:43,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:43,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:43,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:44,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:44,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136
[2020-09-25 02:21:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 02:21:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1434
[2020-09-25 02:21:44,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 02:21:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20
[2020-09-25 02:21:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:44,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:21:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:44,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:44,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:44,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 02:21:44,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 02:21:44,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:44,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:45,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 02:21:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 02:21:45,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:45,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 02:21:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:45,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 02:21:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:21:45,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 02:21:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2020-09-25 02:21:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:45,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 02:21:45,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-25 02:21:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 02:21:45,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-25 02:21:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:45,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 02:21:45,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:45,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 02:21:45,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-09-25 02:21:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 02:21:45,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:45,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33
[2020-09-25 02:21:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:45,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 02:21:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:45,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:45,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:45,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-25 02:21:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:45,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:45,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2020-09-25 02:21:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:45,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:45,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 02:21:45,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:45,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:45,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-09-25 02:21:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:45,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:45,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:45,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 02:21:45,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 02:21:45,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10
[2020-09-25 02:21:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:45,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 02:21:45,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399392485]
[2020-09-25 02:21:45,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:21:45,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 02:21:45,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622066519]
[2020-09-25 02:21:45,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 02:21:45,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:21:45,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 02:21:45,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-25 02:21:45,200 INFO L87 Difference]: Start difference. First operand 347 states and 433 transitions. Second operand 8 states.
[2020-09-25 02:21:46,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:21:46,460 INFO L93 Difference]: Finished difference Result 815 states and 1061 transitions.
[2020-09-25 02:21:46,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-09-25 02:21:46,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103
[2020-09-25 02:21:46,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:21:46,466 INFO L225 Difference]: With dead ends: 815
[2020-09-25 02:21:46,466 INFO L226 Difference]: Without dead ends: 503
[2020-09-25 02:21:46,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2020-09-25 02:21:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states.
[2020-09-25 02:21:46,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 338.
[2020-09-25 02:21:46,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states.
[2020-09-25 02:21:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 418 transitions.
[2020-09-25 02:21:46,518 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 418 transitions. Word has length 103
[2020-09-25 02:21:46,520 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:21:46,520 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 418 transitions.
[2020-09-25 02:21:46,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 02:21:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 418 transitions.
[2020-09-25 02:21:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2020-09-25 02:21:46,523 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:21:46,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:21:46,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 02:21:46,524 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:21:46,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:21:46,524 INFO L82 PathProgramCache]: Analyzing trace with hash -891577735, now seen corresponding path program 1 times
[2020-09-25 02:21:46,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:21:46,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081519295]
[2020-09-25 02:21:46,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:21:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:46,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140
[2020-09-25 02:21:47,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 02:21:47,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 927
[2020-09-25 02:21:47,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 02:21:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 02:21:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-25 02:21:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:47,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:21:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 02:21:47,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 02:21:47,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 02:21:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 02:21:47,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 02:21:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:47,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 02:21:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:21:47,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:47,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:47,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2020-09-25 02:21:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:47,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:47,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-25 02:21:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:47,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:47,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:47,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-09-25 02:21:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 02:21:47,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 02:21:47,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:47,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 02:21:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:47,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:47,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:47,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-25 02:21:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:47,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:47,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:47,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2020-09-25 02:21:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:47,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:47,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 02:21:47,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-09-25 02:21:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 02:21:47,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081519295]
[2020-09-25 02:21:47,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:21:47,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 02:21:47,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474010684]
[2020-09-25 02:21:47,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 02:21:47,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:21:47,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 02:21:47,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-25 02:21:47,730 INFO L87 Difference]: Start difference. First operand 338 states and 418 transitions. Second operand 7 states.
[2020-09-25 02:21:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:21:49,749 INFO L93 Difference]: Finished difference Result 1254 states and 1740 transitions.
[2020-09-25 02:21:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 02:21:49,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107
[2020-09-25 02:21:49,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:21:49,763 INFO L225 Difference]: With dead ends: 1254
[2020-09-25 02:21:49,764 INFO L226 Difference]: Without dead ends: 951
[2020-09-25 02:21:49,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272
[2020-09-25 02:21:49,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states.
[2020-09-25 02:21:49,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 685.
[2020-09-25 02:21:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states.
[2020-09-25 02:21:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 880 transitions.
[2020-09-25 02:21:49,860 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 880 transitions. Word has length 107
[2020-09-25 02:21:49,866 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:21:49,866 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 880 transitions.
[2020-09-25 02:21:49,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 02:21:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 880 transitions.
[2020-09-25 02:21:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-09-25 02:21:49,872 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:21:49,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:21:49,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 02:21:49,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:21:49,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:21:49,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1602138582, now seen corresponding path program 1 times
[2020-09-25 02:21:49,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:21:49,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375418784]
[2020-09-25 02:21:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:21:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176
[2020-09-25 02:21:50,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155
[2020-09-25 02:21:50,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137
[2020-09-25 02:21:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 02:21:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:21:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 02:21:50,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:50,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 02:21:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 02:21:50,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:50,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 02:21:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:21:50,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:50,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2020-09-25 02:21:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:50,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-25 02:21:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:50,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:50,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-09-25 02:21:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 02:21:50,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:50,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 02:21:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:50,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:50,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-25 02:21:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:50,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:50,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2020-09-25 02:21:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:50,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:50,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-09-25 02:21:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:50,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:50,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2020-09-25 02:21:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:50,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 02:21:50,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:50,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 02:21:50,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2020-09-25 02:21:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:50,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:50,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:50,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:50,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 02:21:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-09-25 02:21:50,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375418784]
[2020-09-25 02:21:50,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:21:50,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 02:21:50,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050551502]
[2020-09-25 02:21:50,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 02:21:50,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:21:50,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 02:21:50,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-09-25 02:21:50,267 INFO L87 Difference]: Start difference. First operand 685 states and 880 transitions. Second operand 8 states.
[2020-09-25 02:21:52,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:21:52,427 INFO L93 Difference]: Finished difference Result 2592 states and 3797 transitions.
[2020-09-25 02:21:52,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2020-09-25 02:21:52,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139
[2020-09-25 02:21:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:21:52,452 INFO L225 Difference]: With dead ends: 2592
[2020-09-25 02:21:52,452 INFO L226 Difference]: Without dead ends: 1943
[2020-09-25 02:21:52,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462
[2020-09-25 02:21:52,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states.
[2020-09-25 02:21:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1454.
[2020-09-25 02:21:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states.
[2020-09-25 02:21:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1985 transitions.
[2020-09-25 02:21:52,667 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1985 transitions. Word has length 139
[2020-09-25 02:21:52,669 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:21:52,670 INFO L479 AbstractCegarLoop]: Abstraction has 1454 states and 1985 transitions.
[2020-09-25 02:21:52,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 02:21:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1985 transitions.
[2020-09-25 02:21:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2020-09-25 02:21:52,703 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:21:52,704 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:21:52,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 02:21:52,704 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:21:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:21:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1051815898, now seen corresponding path program 1 times
[2020-09-25 02:21:52,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:21:52,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884441696]
[2020-09-25 02:21:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:21:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:52,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:52,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 02:21:53,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 02:21:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785
[2020-09-25 02:21:53,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 02:21:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194
[2020-09-25 02:21:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:53,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:21:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 02:21:53,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 02:21:53,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 02:21:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 02:21:53,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:53,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:53,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 02:21:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:21:53,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:53,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2020-09-25 02:21:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:53,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:53,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-25 02:21:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:53,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:53,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-09-25 02:21:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 02:21:53,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:53,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 02:21:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:53,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:53,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-25 02:21:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:53,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:53,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2020-09-25 02:21:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 02:21:53,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 02:21:53,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-09-25 02:21:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:21:53,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2020-09-25 02:21:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:53,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2020-09-25 02:21:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:53,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 02:21:53,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:53,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 02:21:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 02:21:53,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 02:21:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154
[2020-09-25 02:21:53,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 02:21:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33
[2020-09-25 02:21:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:53,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 02:21:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:53,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 02:21:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53
[2020-09-25 02:21:53,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 02:21:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 02:21:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:53,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:53,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:21:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:53,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:54,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:54,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38
[2020-09-25 02:21:54,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47
[2020-09-25 02:21:54,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 02:21:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 02:21:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:21:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 02:21:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:54,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:54,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:54,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 02:21:54,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:54,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 02:21:54,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:21:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:21:54,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-25 02:21:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:21:54,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:21:54,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:21:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 02:21:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:21:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 02:21:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:21:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 02:21:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:21:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 02:21:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:21:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-09-25 02:21:54,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884441696]
[2020-09-25 02:21:54,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:21:54,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2020-09-25 02:21:54,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93291608]
[2020-09-25 02:21:54,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-09-25 02:21:54,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:21:54,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-09-25 02:21:54,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2020-09-25 02:21:54,131 INFO L87 Difference]: Start difference. First operand 1454 states and 1985 transitions. Second operand 12 states.
[2020-09-25 02:21:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:21:56,290 INFO L93 Difference]: Finished difference Result 3428 states and 5012 transitions.
[2020-09-25 02:21:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2020-09-25 02:21:56,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182
[2020-09-25 02:21:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:21:56,306 INFO L225 Difference]: With dead ends: 3428
[2020-09-25 02:21:56,306 INFO L226 Difference]: Without dead ends: 1569
[2020-09-25 02:21:56,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=586, Unknown=0, NotChecked=0, Total=812
[2020-09-25 02:21:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states.
[2020-09-25 02:21:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1152.
[2020-09-25 02:21:56,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states.
[2020-09-25 02:21:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1507 transitions.
[2020-09-25 02:21:56,423 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1507 transitions. Word has length 182
[2020-09-25 02:21:56,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:21:56,423 INFO L479 AbstractCegarLoop]: Abstraction has 1152 states and 1507 transitions.
[2020-09-25 02:21:56,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-09-25 02:21:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1507 transitions.
[2020-09-25 02:21:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2020-09-25 02:21:56,429 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:21:56,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:21:56,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 02:21:56,430 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:21:56,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:21:56,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1421271293, now seen corresponding path program 1 times
[2020-09-25 02:21:56,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:21:56,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306790874]
[2020-09-25 02:21:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:21:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 02:21:56,479 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 02:21:56,480 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 02:21:56,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 02:21:56,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:21:56 BoogieIcfgContainer
[2020-09-25 02:21:56,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 02:21:56,544 INFO L168 Benchmark]: Toolchain (without parser) took 20469.81 ms. Allocated memory was 146.8 MB in the beginning and 405.8 MB in the end (delta: 259.0 MB). Free memory was 101.3 MB in the beginning and 309.4 MB in the end (delta: -208.2 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB.
[2020-09-25 02:21:56,546 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 02:21:56,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.31 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 100.6 MB in the beginning and 179.6 MB in the end (delta: -78.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB.
[2020-09-25 02:21:56,551 INFO L168 Benchmark]: Boogie Preprocessor took 50.24 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 177.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-09-25 02:21:56,552 INFO L168 Benchmark]: RCFGBuilder took 653.20 ms. Allocated memory is still 202.9 MB. Free memory was 177.6 MB in the beginning and 143.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB.
[2020-09-25 02:21:56,553 INFO L168 Benchmark]: TraceAbstraction took 19247.99 ms. Allocated memory was 202.9 MB in the beginning and 405.8 MB in the end (delta: 202.9 MB). Free memory was 143.5 MB in the beginning and 309.4 MB in the end (delta: -166.0 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB.
[2020-09-25 02:21:56,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 509.31 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 100.6 MB in the beginning and 179.6 MB in the end (delta: -78.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 50.24 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 177.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 653.20 ms. Allocated memory is still 202.9 MB. Free memory was 177.6 MB in the beginning and 143.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 19247.99 ms. Allocated memory was 202.9 MB in the beginning and 405.8 MB in the end (delta: 202.9 MB). Free memory was 143.5 MB in the beginning and 309.4 MB in the end (delta: -166.0 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L15] int m_pc = 0;
[L16] int t1_pc = 0;
[L17] int m_st ;
[L18] int t1_st ;
[L19] int m_i ;
[L20] int t1_i ;
[L21] int M_E = 2;
[L22] int T1_E = 2;
[L23] int E_1 = 2;
[L439] int __retres1 ;
[L443] CALL init_model()
[L354] m_i = 1
[L355] t1_i = 1
[L443] RET init_model()
[L444] CALL start_simulation()
[L380] int kernel_st ;
[L381] int tmp ;
[L382] int tmp___0 ;
[L386] kernel_st = 0
[L387] FCALL update_channels()
[L388] CALL init_threads()
[L151] COND TRUE m_i == 1
[L152] m_st = 0
[L156] COND TRUE t1_i == 1
[L157] t1_st = 0
[L388] RET init_threads()
[L389] CALL fire_delta_events()
[L240] COND FALSE !(M_E == 0)
[L245] COND FALSE !(T1_E == 0)
[L250] COND FALSE !(E_1 == 0)
[L389] RET fire_delta_events()
[L390] CALL activate_threads()
[L283] int tmp ;
[L284] int tmp___0 ;
[L288] CALL, EXPR is_master_triggered()
[L102] int __retres1 ;
[L105] COND FALSE !(m_pc == 1)
[L115] __retres1 = 0
[L117] return (__retres1);
[L288] RET, EXPR is_master_triggered()
[L288] tmp = is_master_triggered()
[L290] COND FALSE !(\read(tmp))
[L296] CALL, EXPR is_transmit1_triggered()
[L121] int __retres1 ;
[L124] COND FALSE !(t1_pc == 1)
[L134] __retres1 = 0
[L136] return (__retres1);
[L296] RET, EXPR is_transmit1_triggered()
[L296] tmp___0 = is_transmit1_triggered()
[L298] COND FALSE !(\read(tmp___0))
[L390] RET activate_threads()
[L391] CALL reset_delta_events()
[L263] COND FALSE !(M_E == 1)
[L268] COND FALSE !(T1_E == 1)
[L273] COND FALSE !(E_1 == 1)
[L391] RET reset_delta_events()
[L394] COND TRUE 1
[L397] kernel_st = 1
[L398] CALL eval()
[L187] int tmp ;
[L191] COND TRUE 1
[L194] CALL, EXPR exists_runnable_thread()
[L166] int __retres1 ;
[L169] COND TRUE m_st == 0
[L170] __retres1 = 1
[L182] return (__retres1);
[L194] RET, EXPR exists_runnable_thread()
[L194] tmp = exists_runnable_thread()
[L196] COND TRUE \read(tmp)
[L201] COND TRUE m_st == 0
[L202] int tmp_ndt_1;
[L203] tmp_ndt_1 = __VERIFIER_nondet_int()
[L204] COND FALSE !(\read(tmp_ndt_1))
[L215] COND TRUE t1_st == 0
[L216] int tmp_ndt_2;
[L217] tmp_ndt_2 = __VERIFIER_nondet_int()
[L218] COND TRUE \read(tmp_ndt_2)
[L220] t1_st = 1
[L221] CALL transmit1()
[L72] COND TRUE t1_pc == 0
[L83] COND TRUE 1
[L85] t1_pc = 1
[L86] t1_st = 2
[L221] RET transmit1()
[L191] COND TRUE 1
[L194] CALL, EXPR exists_runnable_thread()
[L166] int __retres1 ;
[L169] COND TRUE m_st == 0
[L170] __retres1 = 1
[L182] return (__retres1);
[L194] RET, EXPR exists_runnable_thread()
[L194] tmp = exists_runnable_thread()
[L196] COND TRUE \read(tmp)
[L201] COND TRUE m_st == 0
[L202] int tmp_ndt_1;
[L203] tmp_ndt_1 = __VERIFIER_nondet_int()
[L204] COND TRUE \read(tmp_ndt_1)
[L206] m_st = 1
[L207] CALL master()
[L31] COND TRUE m_pc == 0
[L42] COND TRUE 1
[L45] E_1 = 1
[L46] CALL immediate_notify()
[L312] CALL activate_threads()
[L283] int tmp ;
[L284] int tmp___0 ;
[L288] CALL, EXPR is_master_triggered()
[L102] int __retres1 ;
[L105] COND FALSE !(m_pc == 1)
[L115] __retres1 = 0
[L117] return (__retres1);
[L288] RET, EXPR is_master_triggered()
[L288] tmp = is_master_triggered()
[L290] COND FALSE !(\read(tmp))
[L296] CALL, EXPR is_transmit1_triggered()
[L121] int __retres1 ;
[L124] COND TRUE t1_pc == 1
[L125] COND TRUE E_1 == 1
[L126] __retres1 = 1
[L136] return (__retres1);
[L296] RET, EXPR is_transmit1_triggered()
[L296] tmp___0 = is_transmit1_triggered()
[L298] COND TRUE \read(tmp___0)
[L299] t1_st = 0
[L312] RET activate_threads()
[L46] RET immediate_notify()
[L47] E_1 = 2
[L50] COND TRUE 1
[L52] m_pc = 1
[L53] m_st = 2
[L207] RET master()
[L215] COND TRUE t1_st == 0
[L216] int tmp_ndt_2;
[L217] tmp_ndt_2 = __VERIFIER_nondet_int()
[L218] COND TRUE \read(tmp_ndt_2)
[L220] t1_st = 1
[L221] CALL transmit1()
[L72] COND FALSE !(t1_pc == 0)
[L75] COND TRUE t1_pc == 1
[L91] CALL error()
[L11] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 21 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1066 SDtfs, 3548 SDslu, 391 SDs, 0 SdLazy, 5175 SolverSat, 1236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1454occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 1506 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 628 ConstructedInterpolants, 0 QuantifiedInterpolants, 153296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 80/80 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...