/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-4f750a8
[2020-12-22 13:35:17,483 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-12-22 13:35:17,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-22 13:35:17,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-22 13:35:17,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-22 13:35:17,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-22 13:35:17,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-22 13:35:17,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-22 13:35:17,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-22 13:35:17,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-12-22 13:35:17,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-12-22 13:35:17,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-12-22 13:35:17,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-22 13:35:17,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-22 13:35:17,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-22 13:35:17,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-22 13:35:17,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-22 13:35:17,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-22 13:35:17,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-22 13:35:17,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-22 13:35:17,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-22 13:35:17,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-22 13:35:17,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-12-22 13:35:17,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-22 13:35:17,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-22 13:35:17,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-22 13:35:17,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-22 13:35:17,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-22 13:35:17,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-22 13:35:17,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-22 13:35:17,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-22 13:35:17,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-12-22 13:35:17,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-12-22 13:35:17,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-12-22 13:35:17,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-12-22 13:35:17,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-12-22 13:35:17,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-12-22 13:35:17,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-12-22 13:35:17,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-12-22 13:35:17,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-12-22 13:35:17,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-12-22 13:35:17,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2020-12-22 13:35:17,621 INFO L113 SettingsManager]: Loading preferences was successful
[2020-12-22 13:35:17,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-22 13:35:17,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-22 13:35:17,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-12-22 13:35:17,623 INFO L138 SettingsManager]: * Use SBE=true
[2020-12-22 13:35:17,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-22 13:35:17,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-12-22 13:35:17,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-12-22 13:35:17,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-12-22 13:35:17,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-22 13:35:17,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-12-22 13:35:17,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-12-22 13:35:17,625 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-12-22 13:35:17,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-12-22 13:35:17,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-22 13:35:17,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-12-22 13:35:17,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-12-22 13:35:17,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-22 13:35:17,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-22 13:35:17,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-12-22 13:35:17,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-22 13:35:17,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-12-22 13:35:17,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-22 13:35:17,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-22 13:35:17,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-12-22 13:35:17,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-12-22 13:35:18,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-22 13:35:18,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-22 13:35:18,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-22 13:35:18,035 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-12-22 13:35:18,036 INFO L275 PluginConnector]: CDTParser initialized
[2020-12-22 13:35:18,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i
[2020-12-22 13:35:18,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5127ad733/6fe1f9b9443c4129a34e138323709768/FLAGcd7c8f90f
[2020-12-22 13:35:19,210 INFO L306 CDTParser]: Found 1 translation units.
[2020-12-22 13:35:19,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i
[2020-12-22 13:35:19,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5127ad733/6fe1f9b9443c4129a34e138323709768/FLAGcd7c8f90f
[2020-12-22 13:35:19,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5127ad733/6fe1f9b9443c4129a34e138323709768
[2020-12-22 13:35:19,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-22 13:35:19,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2020-12-22 13:35:19,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-22 13:35:19,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-22 13:35:19,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-22 13:35:19,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:35:19" (1/1) ...
[2020-12-22 13:35:19,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b10df5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:19, skipping insertion in model container
[2020-12-22 13:35:19,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:35:19" (1/1) ...
[2020-12-22 13:35:19,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-12-22 13:35:19,772 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-12-22 13:35:20,406 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5272]
[2020-12-22 13:35:20,407 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
size_t ) [5273-5274]
[2020-12-22 13:35:20,832 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[161168,161181]
[2020-12-22 13:35:22,372 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-22 13:35:22,436 INFO L203 MainTranslator]: Completed pre-run
[2020-12-22 13:35:22,610 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5272]
[2020-12-22 13:35:22,611 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
size_t ) [5273-5274]
[2020-12-22 13:35:22,620 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[161168,161181]
[2020-12-22 13:35:22,929 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-22 13:35:23,404 INFO L208 MainTranslator]: Completed translation
[2020-12-22 13:35:23,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23 WrapperNode
[2020-12-22 13:35:23,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-22 13:35:23,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-22 13:35:23,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-22 13:35:23,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-22 13:35:23,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:23,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:24,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-22 13:35:24,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-22 13:35:24,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-22 13:35:24,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-12-22 13:35:24,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:24,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:25,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:25,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:25,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:26,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:26,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
[2020-12-22 13:35:26,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-22 13:35:26,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-22 13:35:26,353 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-12-22 13:35:26,353 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-12-22 13:35:26,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-12-22 13:35:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-22 13:35:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-12-22 13:35:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32
[2020-12-22 13:35:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-12-22 13:35:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-12-22 13:35:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-12-22 13:35:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-12-22 13:35:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-12-22 13:35:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-12-22 13:35:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-22 13:35:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-22 13:35:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-22 13:35:47,875 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-22 13:35:47,875 INFO L299 CfgBuilder]: Removed 7639 assume(true) statements.
[2020-12-22 13:35:47,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:35:47 BoogieIcfgContainer
[2020-12-22 13:35:47,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-22 13:35:47,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-12-22 13:35:47,886 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-12-22 13:35:47,889 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-12-22 13:35:47,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:35:19" (1/3) ...
[2020-12-22 13:35:47,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72484402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:35:47, skipping insertion in model container
[2020-12-22 13:35:47,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:35:23" (2/3) ...
[2020-12-22 13:35:47,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72484402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:35:47, skipping insertion in model container
[2020-12-22 13:35:47,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:35:47" (3/3) ...
[2020-12-22 13:35:47,893 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i
[2020-12-22 13:35:47,900 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-12-22 13:35:47,920 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations.
[2020-12-22 13:35:47,941 INFO L253 AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2020-12-22 13:35:48,015 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-12-22 13:35:48,015 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-12-22 13:35:48,015 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-12-22 13:35:48,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-12-22 13:35:48,016 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-12-22 13:35:48,016 INFO L382 AbstractCegarLoop]: Difference is false
[2020-12-22 13:35:48,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-12-22 13:35:48,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-12-22 13:35:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5954 states.
[2020-12-22 13:35:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-12-22 13:35:48,141 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:35:48,142 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]
[2020-12-22 13:35:48,143 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:35:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:35:48,150 INFO L82 PathProgramCache]: Analyzing trace with hash 108145079, now seen corresponding path program 1 times
[2020-12-22 13:35:48,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:35:48,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742207378]
[2020-12-22 13:35:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:35:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:35:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-22 13:35:48,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742207378]
[2020-12-22 13:35:48,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:35:48,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:35:48,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073518242]
[2020-12-22 13:35:48,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-12-22 13:35:48,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:35:48,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-12-22 13:35:48,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:35:48,921 INFO L87 Difference]: Start difference. First operand 5954 states. Second operand 3 states.
[2020-12-22 13:35:49,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:35:49,385 INFO L93 Difference]: Finished difference Result 11904 states and 15173 transitions.
[2020-12-22 13:35:49,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-12-22 13:35:49,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41
[2020-12-22 13:35:49,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:35:49,448 INFO L225 Difference]: With dead ends: 11904
[2020-12-22 13:35:49,449 INFO L226 Difference]: Without dead ends: 5898
[2020-12-22 13:35:49,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:35:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5898 states.
[2020-12-22 13:35:49,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5898 to 5898.
[2020-12-22 13:35:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5898 states.
[2020-12-22 13:35:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5898 states to 5898 states and 7404 transitions.
[2020-12-22 13:35:49,782 INFO L78 Accepts]: Start accepts. Automaton has 5898 states and 7404 transitions. Word has length 41
[2020-12-22 13:35:49,782 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:35:49,783 INFO L481 AbstractCegarLoop]: Abstraction has 5898 states and 7404 transitions.
[2020-12-22 13:35:49,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-12-22 13:35:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5898 states and 7404 transitions.
[2020-12-22 13:35:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-12-22 13:35:49,788 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:35:49,788 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]
[2020-12-22 13:35:49,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-12-22 13:35:49,789 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:35:49,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:35:49,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1763457511, now seen corresponding path program 1 times
[2020-12-22 13:35:49,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:35:49,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241760390]
[2020-12-22 13:35:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:35:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:35:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:35:50,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241760390]
[2020-12-22 13:35:50,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:35:50,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:35:50,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388372826]
[2020-12-22 13:35:50,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-12-22 13:35:50,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:35:50,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-12-22 13:35:50,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-12-22 13:35:50,082 INFO L87 Difference]: Start difference. First operand 5898 states and 7404 transitions. Second operand 4 states.
[2020-12-22 13:35:51,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:35:51,597 INFO L93 Difference]: Finished difference Result 27512 states and 34397 transitions.
[2020-12-22 13:35:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-12-22 13:35:51,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42
[2020-12-22 13:35:51,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:35:51,749 INFO L225 Difference]: With dead ends: 27512
[2020-12-22 13:35:51,750 INFO L226 Difference]: Without dead ends: 21650
[2020-12-22 13:35:51,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-12-22 13:35:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21650 states.
[2020-12-22 13:35:52,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21650 to 10920.
[2020-12-22 13:35:52,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10920 states.
[2020-12-22 13:35:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 10920 states and 13657 transitions.
[2020-12-22 13:35:52,542 INFO L78 Accepts]: Start accepts. Automaton has 10920 states and 13657 transitions. Word has length 42
[2020-12-22 13:35:52,542 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:35:52,542 INFO L481 AbstractCegarLoop]: Abstraction has 10920 states and 13657 transitions.
[2020-12-22 13:35:52,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-12-22 13:35:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 10920 states and 13657 transitions.
[2020-12-22 13:35:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-12-22 13:35:52,550 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:35:52,551 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]
[2020-12-22 13:35:52,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-12-22 13:35:52,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:35:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:35:52,553 INFO L82 PathProgramCache]: Analyzing trace with hash -31136546, now seen corresponding path program 1 times
[2020-12-22 13:35:52,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:35:52,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872811087]
[2020-12-22 13:35:52,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:35:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:35:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:35:52,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872811087]
[2020-12-22 13:35:52,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:35:52,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:35:52,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276658541]
[2020-12-22 13:35:52,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-12-22 13:35:52,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:35:52,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-12-22 13:35:52,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-12-22 13:35:52,868 INFO L87 Difference]: Start difference. First operand 10920 states and 13657 transitions. Second operand 4 states.
[2020-12-22 13:35:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:35:55,058 INFO L93 Difference]: Finished difference Result 52622 states and 65664 transitions.
[2020-12-22 13:35:55,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-12-22 13:35:55,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43
[2020-12-22 13:35:55,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:35:55,173 INFO L225 Difference]: With dead ends: 52622
[2020-12-22 13:35:55,173 INFO L226 Difference]: Without dead ends: 41738
[2020-12-22 13:35:55,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-12-22 13:35:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41738 states.
[2020-12-22 13:35:56,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41738 to 21570.
[2020-12-22 13:35:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21570 states.
[2020-12-22 13:35:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21570 states to 21570 states and 26979 transitions.
[2020-12-22 13:35:56,591 INFO L78 Accepts]: Start accepts. Automaton has 21570 states and 26979 transitions. Word has length 43
[2020-12-22 13:35:56,592 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:35:56,592 INFO L481 AbstractCegarLoop]: Abstraction has 21570 states and 26979 transitions.
[2020-12-22 13:35:56,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-12-22 13:35:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 21570 states and 26979 transitions.
[2020-12-22 13:35:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-12-22 13:35:56,597 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:35:56,598 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]
[2020-12-22 13:35:56,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-12-22 13:35:56,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:35:56,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:35:56,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2131206515, now seen corresponding path program 1 times
[2020-12-22 13:35:56,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:35:56,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612636410]
[2020-12-22 13:35:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:35:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:35:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:35:56,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612636410]
[2020-12-22 13:35:56,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:35:56,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:35:56,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870959451]
[2020-12-22 13:35:56,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-12-22 13:35:56,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:35:56,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-12-22 13:35:56,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-12-22 13:35:56,874 INFO L87 Difference]: Start difference. First operand 21570 states and 26979 transitions. Second operand 4 states.
[2020-12-22 13:36:00,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:36:00,400 INFO L93 Difference]: Finished difference Result 104472 states and 130387 transitions.
[2020-12-22 13:36:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-12-22 13:36:00,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44
[2020-12-22 13:36:00,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:36:00,674 INFO L225 Difference]: With dead ends: 104472
[2020-12-22 13:36:00,674 INFO L226 Difference]: Without dead ends: 82938
[2020-12-22 13:36:00,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-12-22 13:36:00,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82938 states.
[2020-12-22 13:36:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82938 to 42673.
[2020-12-22 13:36:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42673 states.
[2020-12-22 13:36:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42673 states to 42673 states and 53355 transitions.
[2020-12-22 13:36:03,369 INFO L78 Accepts]: Start accepts. Automaton has 42673 states and 53355 transitions. Word has length 44
[2020-12-22 13:36:03,371 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:36:03,371 INFO L481 AbstractCegarLoop]: Abstraction has 42673 states and 53355 transitions.
[2020-12-22 13:36:03,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-12-22 13:36:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 42673 states and 53355 transitions.
[2020-12-22 13:36:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-12-22 13:36:03,376 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:36:03,376 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]
[2020-12-22 13:36:03,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-12-22 13:36:03,377 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:36:03,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:36:03,377 INFO L82 PathProgramCache]: Analyzing trace with hash 444365368, now seen corresponding path program 1 times
[2020-12-22 13:36:03,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:36:03,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239084960]
[2020-12-22 13:36:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:36:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:36:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:36:03,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239084960]
[2020-12-22 13:36:03,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:36:03,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:36:03,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660822722]
[2020-12-22 13:36:03,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-12-22 13:36:03,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:36:03,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-12-22 13:36:03,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-12-22 13:36:03,572 INFO L87 Difference]: Start difference. First operand 42673 states and 53355 transitions. Second operand 4 states.
[2020-12-22 13:36:09,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:36:09,232 INFO L93 Difference]: Finished difference Result 207577 states and 259021 transitions.
[2020-12-22 13:36:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-12-22 13:36:09,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45
[2020-12-22 13:36:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:36:09,722 INFO L225 Difference]: With dead ends: 207577
[2020-12-22 13:36:09,723 INFO L226 Difference]: Without dead ends: 164940
[2020-12-22 13:36:09,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-12-22 13:36:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164940 states.
[2020-12-22 13:36:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164940 to 84484.
[2020-12-22 13:36:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84484 states.
[2020-12-22 13:36:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84484 states to 84484 states and 105569 transitions.
[2020-12-22 13:36:14,135 INFO L78 Accepts]: Start accepts. Automaton has 84484 states and 105569 transitions. Word has length 45
[2020-12-22 13:36:14,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:36:14,136 INFO L481 AbstractCegarLoop]: Abstraction has 84484 states and 105569 transitions.
[2020-12-22 13:36:14,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-12-22 13:36:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 84484 states and 105569 transitions.
[2020-12-22 13:36:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-12-22 13:36:14,142 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:36:14,143 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-12-22 13:36:14,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-12-22 13:36:14,143 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:36:14,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:36:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1972261956, now seen corresponding path program 1 times
[2020-12-22 13:36:14,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:36:14,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855910164]
[2020-12-22 13:36:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:36:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:36:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-12-22 13:36:14,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855910164]
[2020-12-22 13:36:14,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:36:14,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-12-22 13:36:14,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862308623]
[2020-12-22 13:36:14,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-12-22 13:36:14,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:36:14,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-12-22 13:36:14,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-12-22 13:36:14,336 INFO L87 Difference]: Start difference. First operand 84484 states and 105569 transitions. Second operand 5 states.
[2020-12-22 13:36:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:36:22,327 INFO L93 Difference]: Finished difference Result 292052 states and 364577 transitions.
[2020-12-22 13:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-12-22 13:36:22,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50
[2020-12-22 13:36:22,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:36:22,766 INFO L225 Difference]: With dead ends: 292052
[2020-12-22 13:36:22,766 INFO L226 Difference]: Without dead ends: 207604
[2020-12-22 13:36:22,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-12-22 13:36:23,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207604 states.
[2020-12-22 13:36:27,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207604 to 84524.
[2020-12-22 13:36:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84524 states.
[2020-12-22 13:36:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84524 states to 84524 states and 105609 transitions.
[2020-12-22 13:36:28,030 INFO L78 Accepts]: Start accepts. Automaton has 84524 states and 105609 transitions. Word has length 50
[2020-12-22 13:36:28,031 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:36:28,031 INFO L481 AbstractCegarLoop]: Abstraction has 84524 states and 105609 transitions.
[2020-12-22 13:36:28,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-12-22 13:36:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 84524 states and 105609 transitions.
[2020-12-22 13:36:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-12-22 13:36:28,035 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:36:28,036 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]
[2020-12-22 13:36:28,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-12-22 13:36:28,036 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:36:28,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:36:28,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1655743216, now seen corresponding path program 1 times
[2020-12-22 13:36:28,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:36:28,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50610233]
[2020-12-22 13:36:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:36:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:36:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:36:28,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50610233]
[2020-12-22 13:36:28,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:36:28,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:36:28,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724642132]
[2020-12-22 13:36:28,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-12-22 13:36:28,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:36:28,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-12-22 13:36:28,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:36:28,169 INFO L87 Difference]: Start difference. First operand 84524 states and 105609 transitions. Second operand 3 states.
[2020-12-22 13:36:34,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:36:34,571 INFO L93 Difference]: Finished difference Result 213552 states and 266273 transitions.
[2020-12-22 13:36:34,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-12-22 13:36:34,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51
[2020-12-22 13:36:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:36:34,778 INFO L225 Difference]: With dead ends: 213552
[2020-12-22 13:36:34,779 INFO L226 Difference]: Without dead ends: 129064
[2020-12-22 13:36:34,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:36:35,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129064 states.
[2020-12-22 13:36:40,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129064 to 114164.
[2020-12-22 13:36:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114164 states.
[2020-12-22 13:36:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114164 states to 114164 states and 142537 transitions.
[2020-12-22 13:36:40,702 INFO L78 Accepts]: Start accepts. Automaton has 114164 states and 142537 transitions. Word has length 51
[2020-12-22 13:36:40,703 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:36:40,703 INFO L481 AbstractCegarLoop]: Abstraction has 114164 states and 142537 transitions.
[2020-12-22 13:36:40,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-12-22 13:36:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 114164 states and 142537 transitions.
[2020-12-22 13:36:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2020-12-22 13:36:40,705 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:36:40,705 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]
[2020-12-22 13:36:40,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-12-22 13:36:40,705 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:36:40,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:36:40,706 INFO L82 PathProgramCache]: Analyzing trace with hash -688759008, now seen corresponding path program 1 times
[2020-12-22 13:36:40,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:36:40,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736133477]
[2020-12-22 13:36:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:36:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:36:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:36:40,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736133477]
[2020-12-22 13:36:40,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:36:40,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:36:40,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668713431]
[2020-12-22 13:36:40,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-12-22 13:36:40,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:36:40,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-12-22 13:36:40,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:36:40,865 INFO L87 Difference]: Start difference. First operand 114164 states and 142537 transitions. Second operand 3 states.
[2020-12-22 13:36:50,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:36:50,345 INFO L93 Difference]: Finished difference Result 313680 states and 392051 transitions.
[2020-12-22 13:36:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-12-22 13:36:50,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54
[2020-12-22 13:36:50,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:36:50,743 INFO L225 Difference]: With dead ends: 313680
[2020-12-22 13:36:50,743 INFO L226 Difference]: Without dead ends: 199552
[2020-12-22 13:36:50,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:36:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199552 states.
[2020-12-22 13:37:00,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199552 to 199522.
[2020-12-22 13:37:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199522 states.
[2020-12-22 13:37:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199522 states to 199522 states and 249510 transitions.
[2020-12-22 13:37:01,194 INFO L78 Accepts]: Start accepts. Automaton has 199522 states and 249510 transitions. Word has length 54
[2020-12-22 13:37:01,194 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:37:01,194 INFO L481 AbstractCegarLoop]: Abstraction has 199522 states and 249510 transitions.
[2020-12-22 13:37:01,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-12-22 13:37:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 199522 states and 249510 transitions.
[2020-12-22 13:37:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2020-12-22 13:37:01,197 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:37:01,198 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-12-22 13:37:01,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-12-22 13:37:01,198 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:37:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:37:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 682138983, now seen corresponding path program 1 times
[2020-12-22 13:37:01,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:37:01,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730058744]
[2020-12-22 13:37:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:37:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:37:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-22 13:37:01,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730058744]
[2020-12-22 13:37:01,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:37:01,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:37:01,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310113218]
[2020-12-22 13:37:01,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-12-22 13:37:01,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:37:01,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-12-22 13:37:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:37:01,439 INFO L87 Difference]: Start difference. First operand 199522 states and 249510 transitions. Second operand 3 states.
[2020-12-22 13:37:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:37:17,628 INFO L93 Difference]: Finished difference Result 484748 states and 606637 transitions.
[2020-12-22 13:37:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-12-22 13:37:17,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75
[2020-12-22 13:37:17,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:37:18,342 INFO L225 Difference]: With dead ends: 484748
[2020-12-22 13:37:18,343 INFO L226 Difference]: Without dead ends: 285262
[2020-12-22 13:37:18,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:37:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285262 states.
[2020-12-22 13:37:32,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285262 to 285232.
[2020-12-22 13:37:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285232 states.
[2020-12-22 13:37:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285232 states to 285232 states and 356963 transitions.
[2020-12-22 13:37:32,864 INFO L78 Accepts]: Start accepts. Automaton has 285232 states and 356963 transitions. Word has length 75
[2020-12-22 13:37:32,864 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:37:32,864 INFO L481 AbstractCegarLoop]: Abstraction has 285232 states and 356963 transitions.
[2020-12-22 13:37:32,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-12-22 13:37:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 285232 states and 356963 transitions.
[2020-12-22 13:37:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2020-12-22 13:37:32,879 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:37:32,879 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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]
[2020-12-22 13:37:32,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-12-22 13:37:32,880 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:37:32,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:37:32,880 INFO L82 PathProgramCache]: Analyzing trace with hash 791634023, now seen corresponding path program 1 times
[2020-12-22 13:37:32,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:37:32,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92561303]
[2020-12-22 13:37:32,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:37:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:37:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-12-22 13:37:33,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92561303]
[2020-12-22 13:37:33,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:37:33,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:37:33,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701919979]
[2020-12-22 13:37:33,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-12-22 13:37:33,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:37:33,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-12-22 13:37:33,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:37:33,567 INFO L87 Difference]: Start difference. First operand 285232 states and 356963 transitions. Second operand 3 states.
[2020-12-22 13:37:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:37:56,253 INFO L93 Difference]: Finished difference Result 656168 states and 821543 transitions.
[2020-12-22 13:37:56,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-12-22 13:37:56,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90
[2020-12-22 13:37:56,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:37:57,039 INFO L225 Difference]: With dead ends: 656168
[2020-12-22 13:37:57,040 INFO L226 Difference]: Without dead ends: 370972
[2020-12-22 13:37:57,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:37:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370972 states.
[2020-12-22 13:38:15,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370972 to 370910.
[2020-12-22 13:38:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370910 states.
[2020-12-22 13:38:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370910 states to 370910 states and 464384 transitions.
[2020-12-22 13:38:16,658 INFO L78 Accepts]: Start accepts. Automaton has 370910 states and 464384 transitions. Word has length 90
[2020-12-22 13:38:16,658 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-22 13:38:16,658 INFO L481 AbstractCegarLoop]: Abstraction has 370910 states and 464384 transitions.
[2020-12-22 13:38:16,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-12-22 13:38:16,658 INFO L276 IsEmpty]: Start isEmpty. Operand 370910 states and 464384 transitions.
[2020-12-22 13:38:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2020-12-22 13:38:16,683 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-22 13:38:16,683 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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]
[2020-12-22 13:38:16,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-12-22 13:38:16,683 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-22 13:38:16,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-22 13:38:16,684 INFO L82 PathProgramCache]: Analyzing trace with hash -410855347, now seen corresponding path program 1 times
[2020-12-22 13:38:16,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-22 13:38:16,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888174622]
[2020-12-22 13:38:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-22 13:38:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-22 13:38:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-12-22 13:38:16,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888174622]
[2020-12-22 13:38:16,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-22 13:38:16,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-12-22 13:38:16,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793698916]
[2020-12-22 13:38:16,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-12-22 13:38:16,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-22 13:38:16,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-12-22 13:38:16,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:38:16,912 INFO L87 Difference]: Start difference. First operand 370910 states and 464384 transitions. Second operand 3 states.
[2020-12-22 13:38:38,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-22 13:38:38,533 INFO L93 Difference]: Finished difference Result 741976 states and 929013 transitions.
[2020-12-22 13:38:38,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-12-22 13:38:38,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108
[2020-12-22 13:38:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-22 13:38:39,411 INFO L225 Difference]: With dead ends: 741976
[2020-12-22 13:38:39,411 INFO L226 Difference]: Without dead ends: 371102
[2020-12-22 13:38:40,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-12-22 13:38:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371102 states.