/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-36cd7be
[2021-02-23 13:53:24,500 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-23 13:53:24,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-23 13:53:24,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-23 13:53:24,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-23 13:53:24,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-23 13:53:24,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-02-23 13:53:24,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-02-23 13:53:24,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-02-23 13:53:24,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-23 13:53:24,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-23 13:53:24,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-23 13:53:24,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-23 13:53:24,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-23 13:53:24,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-23 13:53:24,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-23 13:53:24,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-23 13:53:24,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-23 13:53:24,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-23 13:53:24,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-23 13:53:24,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-23 13:53:24,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-23 13:53:24,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-23 13:53:24,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-02-23 13:53:24,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-02-23 13:53:24,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-23 13:53:24,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2021-02-23 13:53:24,626 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-23 13:53:24,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-23 13:53:24,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-02-23 13:53:24,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-02-23 13:53:24,628 INFO L138 SettingsManager]: * Use SBE=true
[2021-02-23 13:53:24,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-23 13:53:24,628 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-23 13:53:24,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-23 13:53:24,629 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-23 13:53:24,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-23 13:53:24,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-23 13:53:24,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-23 13:53:24,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-23 13:53:24,630 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-23 13:53:24,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-23 13:53:24,631 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-23 13:53:24,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-23 13:53:24,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-23 13:53:24,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-02-23 13:53:24,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-23 13:53:24,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-23 13:53:24,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-23 13:53:24,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-02-23 13:53:24,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-02-23 13:53:24,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-02-23 13:53:24,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-02-23 13:53:24,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-23 13:53:24,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-02-23 13:53:24,634 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-23 13:53:25,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-23 13:53:25,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-23 13:53:25,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-23 13:53:25,058 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-23 13:53:25,058 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-23 13:53:25,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c
[2021-02-23 13:53:25,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d247dab5/aed76c696f324268abe50af436a436d1/FLAG38277cf57
[2021-02-23 13:53:25,764 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-23 13:53:25,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c
[2021-02-23 13:53:25,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d247dab5/aed76c696f324268abe50af436a436d1/FLAG38277cf57
[2021-02-23 13:53:26,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d247dab5/aed76c696f324268abe50af436a436d1
[2021-02-23 13:53:26,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-23 13:53:26,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-23 13:53:26,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-23 13:53:26,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-23 13:53:26,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-23 13:53:26,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151c74e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26, skipping insertion in model container
[2021-02-23 13:53:26,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-23 13:53:26,231 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-23 13:53:26,428 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1126,1139]
[2021-02-23 13:53:26,445 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1880,1893]
[2021-02-23 13:53:26,454 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2415,2428]
[2021-02-23 13:53:26,458 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-23 13:53:26,478 INFO L203 MainTranslator]: Completed pre-run
[2021-02-23 13:53:26,497 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1126,1139]
[2021-02-23 13:53:26,502 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1880,1893]
[2021-02-23 13:53:26,505 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2415,2428]
[2021-02-23 13:53:26,509 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-23 13:53:26,529 INFO L208 MainTranslator]: Completed translation
[2021-02-23 13:53:26,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26 WrapperNode
[2021-02-23 13:53:26,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-23 13:53:26,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-23 13:53:26,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-23 13:53:26,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-23 13:53:26,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (1/1) ...
[2021-02-23 13:53:26,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-23 13:53:26,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-23 13:53:26,574 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-23 13:53:26,575 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-23 13:53:26,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (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
[2021-02-23 13:53:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-23 13:53:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-23 13:53:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-23 13:53:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-02-23 13:53:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-23 13:53:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-23 13:53:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-23 13:53:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-23 13:53:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-23 13:53:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-02-23 13:53:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-02-23 13:53:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2021-02-23 13:53:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-23 13:53:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-23 13:53:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-23 13:53:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-23 13:53:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-23 13:53:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-23 13:53:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-23 13:53:27,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-23 13:53:27,072 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-23 13:53:27,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:53:27 BoogieIcfgContainer
[2021-02-23 13:53:27,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-23 13:53:27,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-23 13:53:27,075 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-23 13:53:27,079 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-23 13:53:27,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:53:26" (1/3) ...
[2021-02-23 13:53:27,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6409d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:53:27, skipping insertion in model container
[2021-02-23 13:53:27,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:53:26" (2/3) ...
[2021-02-23 13:53:27,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6409d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:53:27, skipping insertion in model container
[2021-02-23 13:53:27,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:53:27" (3/3) ...
[2021-02-23 13:53:27,082 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c
[2021-02-23 13:53:27,088 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-02-23 13:53:27,092 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2021-02-23 13:53:27,135 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-02-23 13:53:27,183 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-23 13:53:27,183 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-23 13:53:27,183 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-02-23 13:53:27,183 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-23 13:53:27,183 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-23 13:53:27,184 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-23 13:53:27,184 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-23 13:53:27,184 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-23 13:53:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states.
[2021-02-23 13:53:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-02-23 13:53:27,207 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:27,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 13:53:27,208 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:27,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:27,215 INFO L82 PathProgramCache]: Analyzing trace with hash 613221753, now seen corresponding path program 1 times
[2021-02-23 13:53:27,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:27,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853583516]
[2021-02-23 13:53:27,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:27,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:27,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:27,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:27,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 13:53:27,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:27,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:27,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:27,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:27,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853583516]
[2021-02-23 13:53:27,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 13:53:27,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-02-23 13:53:27,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986393693]
[2021-02-23 13:53:27,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-02-23 13:53:27,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:27,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-02-23 13:53:27,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-02-23 13:53:27,735 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states.
[2021-02-23 13:53:27,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:27,902 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions.
[2021-02-23 13:53:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-02-23 13:53:27,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2021-02-23 13:53:27,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:27,918 INFO L225 Difference]: With dead ends: 51
[2021-02-23 13:53:27,918 INFO L226 Difference]: Without dead ends: 33
[2021-02-23 13:53:27,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-02-23 13:53:27,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2021-02-23 13:53:27,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31.
[2021-02-23 13:53:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states.
[2021-02-23 13:53:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions.
[2021-02-23 13:53:27,978 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 13
[2021-02-23 13:53:27,979 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:27,979 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions.
[2021-02-23 13:53:27,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-02-23 13:53:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions.
[2021-02-23 13:53:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-02-23 13:53:27,980 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:27,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 13:53:27,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-23 13:53:27,981 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:27,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:27,982 INFO L82 PathProgramCache]: Analyzing trace with hash -274269075, now seen corresponding path program 1 times
[2021-02-23 13:53:27,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:27,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369682424]
[2021-02-23 13:53:27,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:28,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 13:53:28,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 13:53:28,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:28,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:28,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369682424]
[2021-02-23 13:53:28,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 13:53:28,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-02-23 13:53:28,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198425241]
[2021-02-23 13:53:28,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-02-23 13:53:28,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:28,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-02-23 13:53:28,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-02-23 13:53:28,128 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 5 states.
[2021-02-23 13:53:28,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:28,239 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions.
[2021-02-23 13:53:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-02-23 13:53:28,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2021-02-23 13:53:28,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:28,244 INFO L225 Difference]: With dead ends: 51
[2021-02-23 13:53:28,244 INFO L226 Difference]: Without dead ends: 49
[2021-02-23 13:53:28,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-02-23 13:53:28,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2021-02-23 13:53:28,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 33.
[2021-02-23 13:53:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2021-02-23 13:53:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions.
[2021-02-23 13:53:28,268 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 14
[2021-02-23 13:53:28,269 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:28,272 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions.
[2021-02-23 13:53:28,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-02-23 13:53:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions.
[2021-02-23 13:53:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-02-23 13:53:28,274 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:28,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 13:53:28,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-02-23 13:53:28,275 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:28,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:28,275 INFO L82 PathProgramCache]: Analyzing trace with hash -210546126, now seen corresponding path program 1 times
[2021-02-23 13:53:28,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:28,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387170420]
[2021-02-23 13:53:28,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:28,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-23 13:53:28,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:28,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:28,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387170420]
[2021-02-23 13:53:28,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 13:53:28,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-02-23 13:53:28,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673878107]
[2021-02-23 13:53:28,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-02-23 13:53:28,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:28,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-02-23 13:53:28,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-02-23 13:53:28,440 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 4 states.
[2021-02-23 13:53:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:28,568 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions.
[2021-02-23 13:53:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-02-23 13:53:28,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14
[2021-02-23 13:53:28,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:28,570 INFO L225 Difference]: With dead ends: 60
[2021-02-23 13:53:28,570 INFO L226 Difference]: Without dead ends: 40
[2021-02-23 13:53:28,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-02-23 13:53:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2021-02-23 13:53:28,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33.
[2021-02-23 13:53:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2021-02-23 13:53:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions.
[2021-02-23 13:53:28,578 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 14
[2021-02-23 13:53:28,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:28,578 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions.
[2021-02-23 13:53:28,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-02-23 13:53:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions.
[2021-02-23 13:53:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-02-23 13:53:28,579 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:28,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 13:53:28,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-02-23 13:53:28,580 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:28,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:28,580 INFO L82 PathProgramCache]: Analyzing trace with hash 144789104, now seen corresponding path program 1 times
[2021-02-23 13:53:28,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:28,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239666875]
[2021-02-23 13:53:28,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:28,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-23 13:53:28,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:28,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:28,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:28,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239666875]
[2021-02-23 13:53:28,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 13:53:28,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-02-23 13:53:28,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573384363]
[2021-02-23 13:53:28,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-02-23 13:53:28,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:28,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-02-23 13:53:28,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-02-23 13:53:28,649 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 4 states.
[2021-02-23 13:53:28,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:28,713 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions.
[2021-02-23 13:53:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-02-23 13:53:28,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15
[2021-02-23 13:53:28,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:28,715 INFO L225 Difference]: With dead ends: 54
[2021-02-23 13:53:28,715 INFO L226 Difference]: Without dead ends: 34
[2021-02-23 13:53:28,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-02-23 13:53:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2021-02-23 13:53:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28.
[2021-02-23 13:53:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2021-02-23 13:53:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions.
[2021-02-23 13:53:28,721 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 15
[2021-02-23 13:53:28,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:28,722 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions.
[2021-02-23 13:53:28,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-02-23 13:53:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions.
[2021-02-23 13:53:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-02-23 13:53:28,723 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:28,723 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]
[2021-02-23 13:53:28,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-02-23 13:53:28,723 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:28,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:28,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1825758388, now seen corresponding path program 1 times
[2021-02-23 13:53:28,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:28,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416723126]
[2021-02-23 13:53:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:29,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-02-23 13:53:29,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-02-23 13:53:29,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42
[2021-02-23 13:53:29,076 WARN L141 QuantifierPusher]: treesize reduction 219, result has 25.3 percent of original size
[2021-02-23 13:53:29,078 WARN L147 QuantifierPusher]: treesize reduction 219, result has 25.3 percent of original size 74
[2021-02-23 13:53:29,141 WARN L141 QuantifierPusher]: treesize reduction 1194, result has 47.3 percent of original size
[2021-02-23 13:53:29,152 WARN L147 QuantifierPusher]: treesize reduction 1194, result has 47.3 percent of original size 1073
[2021-02-23 13:53:29,342 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 44
[2021-02-23 13:53:29,396 WARN L141 QuantifierPusher]: treesize reduction 1903, result has 15.0 percent of original size
[2021-02-23 13:53:29,404 WARN L147 QuantifierPusher]: treesize reduction 1903, result has 15.0 percent of original size 335
[2021-02-23 13:53:29,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-23 13:53:29,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:29,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:29,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416723126]
[2021-02-23 13:53:29,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 13:53:29,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-02-23 13:53:29,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580496552]
[2021-02-23 13:53:29,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-02-23 13:53:29,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:29,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-02-23 13:53:29,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2021-02-23 13:53:29,505 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 9 states.
[2021-02-23 13:53:29,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:29,775 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions.
[2021-02-23 13:53:29,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-02-23 13:53:29,777 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20
[2021-02-23 13:53:29,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:29,778 INFO L225 Difference]: With dead ends: 44
[2021-02-23 13:53:29,779 INFO L226 Difference]: Without dead ends: 29
[2021-02-23 13:53:29,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110
[2021-02-23 13:53:29,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2021-02-23 13:53:29,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2021-02-23 13:53:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2021-02-23 13:53:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions.
[2021-02-23 13:53:29,788 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20
[2021-02-23 13:53:29,788 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:29,789 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions.
[2021-02-23 13:53:29,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2021-02-23 13:53:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions.
[2021-02-23 13:53:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-02-23 13:53:29,791 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:29,792 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]
[2021-02-23 13:53:29,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-02-23 13:53:29,792 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:29,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:29,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1415757154, now seen corresponding path program 1 times
[2021-02-23 13:53:29,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:29,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657380276]
[2021-02-23 13:53:29,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:29,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 13:53:29,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 13:53:29,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-23 13:53:29,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-23 13:53:29,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:29,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:29,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:29,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657380276]
[2021-02-23 13:53:29,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 13:53:29,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-02-23 13:53:29,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500834362]
[2021-02-23 13:53:29,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-02-23 13:53:29,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:29,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-02-23 13:53:29,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-02-23 13:53:29,916 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 7 states.
[2021-02-23 13:53:30,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:30,023 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions.
[2021-02-23 13:53:30,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-02-23 13:53:30,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21
[2021-02-23 13:53:30,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:30,026 INFO L225 Difference]: With dead ends: 42
[2021-02-23 13:53:30,026 INFO L226 Difference]: Without dead ends: 40
[2021-02-23 13:53:30,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2021-02-23 13:53:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2021-02-23 13:53:30,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 27.
[2021-02-23 13:53:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states.
[2021-02-23 13:53:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions.
[2021-02-23 13:53:30,042 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 21
[2021-02-23 13:53:30,043 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:30,043 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions.
[2021-02-23 13:53:30,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2021-02-23 13:53:30,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions.
[2021-02-23 13:53:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-02-23 13:53:30,044 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 13:53:30,044 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 13:53:30,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-02-23 13:53:30,045 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 13:53:30,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 13:53:30,045 INFO L82 PathProgramCache]: Analyzing trace with hash 2087901094, now seen corresponding path program 1 times
[2021-02-23 13:53:30,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-23 13:53:30,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109991154]
[2021-02-23 13:53:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 13:53:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:30,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-23 13:53:30,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-02-23 13:53:30,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33
[2021-02-23 13:53:30,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-02-23 13:53:30,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35
[2021-02-23 13:53:30,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 13:53:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:30,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:30,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109991154]
[2021-02-23 13:53:30,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059264634]
[2021-02-23 13:53:30,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-02-23 13:53:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 13:53:30,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-02-23 13:53:30,354 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-02-23 13:53:30,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-23 13:53:30,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-23 13:53:30,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-23 13:53:30,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-23 13:53:30,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31
[2021-02-23 13:53:30,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-02-23 13:53:30,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-23 13:53:30,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32
[2021-02-23 13:53:30,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-02-23 13:53:30,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24
[2021-02-23 13:53:30,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,540 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-23 13:53:30,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66
[2021-02-23 13:53:30,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-02-23 13:53:30,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67
[2021-02-23 13:53:30,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 13:53:30,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 13:53:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 13:53:30,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-02-23 13:53:30,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 8
[2021-02-23 13:53:30,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156011660]
[2021-02-23 13:53:30,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-02-23 13:53:30,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-23 13:53:30,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-02-23 13:53:30,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2021-02-23 13:53:30,570 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states.
[2021-02-23 13:53:30,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 13:53:30,788 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions.
[2021-02-23 13:53:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-02-23 13:53:30,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22
[2021-02-23 13:53:30,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 13:53:30,789 INFO L225 Difference]: With dead ends: 30
[2021-02-23 13:53:30,790 INFO L226 Difference]: Without dead ends: 0
[2021-02-23 13:53:30,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2021-02-23 13:53:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-02-23 13:53:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-02-23 13:53:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-02-23 13:53:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-02-23 13:53:30,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2021-02-23 13:53:30,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 13:53:30,791 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-02-23 13:53:30,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2021-02-23 13:53:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-02-23 13:53:30,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-02-23 13:53:30,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2021-02-23 13:53:30,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-02-23 13:53:31,329 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61
[2021-02-23 13:53:31,474 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed.
[2021-02-23 13:53:31,474 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed.
[2021-02-23 13:53:31,474 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed.
[2021-02-23 13:53:31,474 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2021-02-23 13:53:31,475 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~__return_136~0 |old(~__return_136~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2021-02-23 13:53:31,475 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2021-02-23 13:53:31,475 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-02-23 13:53:31,475 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true
[2021-02-23 13:53:31,475 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2021-02-23 13:53:31,475 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-02-23 13:53:31,475 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 6 8) no Hoare annotation was computed.
[2021-02-23 13:53:31,475 INFO L189 CegarLoopUtils]: For program point L7(line 7) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point L7-2(lines 6 8) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point L31(lines 31 147) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point L60(lines 60 93) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 14 168) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L185 CegarLoopUtils]: At program point L151(lines 29 152) the Hoare annotation is: false
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point L73(line 73) no Hoare annotation was computed.
[2021-02-23 13:53:31,476 INFO L189 CegarLoopUtils]: For program point L40(lines 40 139) no Hoare annotation was computed.
[2021-02-23 13:53:31,477 INFO L192 CegarLoopUtils]: At program point L131(lines 98 132) the Hoare annotation is: true
[2021-02-23 13:53:31,477 INFO L189 CegarLoopUtils]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed.
[2021-02-23 13:53:31,477 INFO L185 CegarLoopUtils]: At program point L156(lines 26 157) the Hoare annotation is: (or (and (let ((.cse0 (div main_~main__index2~0 4294967296)) (.cse1 (div main_~main__index1~0 4294967296))) (or (<= (+ main_~main__index1~0 (* 4294967296 .cse0)) (+ main_~main__index2~0 (* 4294967296 .cse1))) (let ((.cse6 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse5 (select .cse6 (+ (* main_~main__index1~0 4) |main_~#main__array~0.offset| (* .cse1 (- 17179869184))))) (.cse3 (select .cse6 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse0 (- 17179869184)))))) (let ((.cse4 (+ .cse5 (* 4294967296 (div .cse3 4294967296)))) (.cse2 (* 4294967296 (div .cse5 4294967296)))) (and (<= (+ .cse2 .cse3) .cse4) (< .cse4 (+ .cse2 .cse3 1)))))))) (= main_~__VERIFIER_assert__cond~0 1) (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* main_~main__index2~0 (- 1)) (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) main_~main__index2~0 1))) (= main_~main__loop_entered~0 0))
[2021-02-23 13:53:31,477 INFO L189 CegarLoopUtils]: For program point L57(lines 57 133) no Hoare annotation was computed.
[2021-02-23 13:53:31,477 INFO L189 CegarLoopUtils]: For program point L24(lines 24 162) no Hoare annotation was computed.
[2021-02-23 13:53:31,478 INFO L185 CegarLoopUtils]: At program point L119(lines 99 128) the Hoare annotation is: (let ((.cse8 (div main_~main__index1~0 4294967296)) (.cse7 (div main_~main__index2~0 4294967296))) (let ((.cse9 (= main_~__VERIFIER_assert__cond~0 1)) (.cse0 (* 4294967296 .cse7)) (.cse1 (+ main_~main__index2~0 (* 4294967296 .cse8)))) (or (and (or (<= (+ main_~main__index1~0 .cse0) .cse1) (let ((.cse6 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse5 (select .cse6 (+ (* main_~main__index1~0 4) |main_~#main__array~0.offset| (* .cse8 (- 17179869184))))) (.cse3 (select .cse6 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse7 (- 17179869184)))))) (let ((.cse4 (+ .cse5 (* 4294967296 (div .cse3 4294967296)))) (.cse2 (* 4294967296 (div .cse5 4294967296)))) (and (<= (+ .cse2 .cse3) .cse4) (< .cse4 (+ .cse2 .cse3 1))))))) .cse9 (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* main_~main__index2~0 (- 1)) (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) main_~main__index2~0 1))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (not (= main_~__VERIFIER_assert__cond~2 0)) .cse9 (<= (+ main_~main__index1~0 .cse0 1) .cse1)))))
[2021-02-23 13:53:31,478 INFO L189 CegarLoopUtils]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed.
[2021-02-23 13:53:31,478 INFO L189 CegarLoopUtils]: For program point L62(lines 62 88) no Hoare annotation was computed.
[2021-02-23 13:53:31,478 INFO L189 CegarLoopUtils]: For program point L29(lines 29 152) no Hoare annotation was computed.
[2021-02-23 13:53:31,478 INFO L185 CegarLoopUtils]: At program point L87(lines 62 88) the Hoare annotation is: (and (not (= main_~main____CPAchecker_TMP_0~1 0)) (= main_~__VERIFIER_assert__cond~0 1) (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* main_~main__index2~0 (- 1)) (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) main_~main__index2~0 1)) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point L21(lines 21 167) no Hoare annotation was computed.
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point L50(lines 50 138) no Hoare annotation was computed.
[2021-02-23 13:53:31,479 INFO L185 CegarLoopUtils]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse2 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (let ((.cse0 (<= main_~main__index2~0 (+ .cse2 99999))) (.cse1 (= main_~__VERIFIER_assert__cond~0 1))) (or (and (not (= main_~main____CPAchecker_TMP_0~1 0)) .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (and .cse0 .cse1 (= main_~main____CPAchecker_TMP_0~0 1)))) (<= (+ main_~main__index1~0 .cse2 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296))))))
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 14 168) no Hoare annotation was computed.
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point L108(lines 108 120) no Hoare annotation was computed.
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point L42(line 42) no Hoare annotation was computed.
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point L71(lines 71 80) no Hoare annotation was computed.
[2021-02-23 13:53:31,479 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed.
[2021-02-23 13:53:31,480 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 14 168) the Hoare annotation is: (and (= |old(#length)| |#length|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#valid)| |#valid|))
[2021-02-23 13:53:31,480 INFO L185 CegarLoopUtils]: At program point L92(lines 60 93) the Hoare annotation is: false
[2021-02-23 13:53:31,480 INFO L189 CegarLoopUtils]: For program point L26(lines 26 157) no Hoare annotation was computed.
[2021-02-23 13:53:31,480 INFO L185 CegarLoopUtils]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~main__loop_entered~0 0) (= main_~main____CPAchecker_TMP_0~0 1) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296))))))
[2021-02-23 13:53:31,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:53:31 BoogieIcfgContainer
[2021-02-23 13:53:31,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-23 13:53:31,507 INFO L168 Benchmark]: Toolchain (without parser) took 5348.42 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 126.5 MB in the beginning and 164.6 MB in the end (delta: -38.1 MB). Peak memory consumption was 100.2 MB. Max. memory is 8.0 GB.
[2021-02-23 13:53:31,507 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 124.7 MB in the end (delta: 152.1 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-23 13:53:31,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.32 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 114.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB.
[2021-02-23 13:53:31,508 INFO L168 Benchmark]: Boogie Preprocessor took 42.54 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 112.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-02-23 13:53:31,508 INFO L168 Benchmark]: RCFGBuilder took 499.22 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 126.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2021-02-23 13:53:31,509 INFO L168 Benchmark]: TraceAbstraction took 4430.35 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 126.4 MB in the beginning and 164.6 MB in the end (delta: -38.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 8.0 GB.
[2021-02-23 13:53:31,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 124.7 MB in the end (delta: 152.1 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 357.32 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 114.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 42.54 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 112.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 499.22 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 126.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 4430.35 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 126.4 MB in the beginning and 164.6 MB in the end (delta: -38.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 42]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- PositiveResult [Line: 110]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- PositiveResult [Line: 73]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
3 specifications checked. All of them hold
- InvariantResult [Line: 26]: Loop Invariant
Derived loop invariant: (((main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1)) && __VERIFIER_assert__cond == 1) && main__index1 <= 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + main__index2 + 1) || main__loop_entered == 0
- InvariantResult [Line: 60]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 29]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 99]: Loop Invariant
Derived loop invariant: (((main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1)) && __VERIFIER_assert__cond == 1) && main__index1 <= 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + main__index2 + 1) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296))
- InvariantResult [Line: 62]: Loop Invariant
Derived loop invariant: ((!(main____CPAchecker_TMP_0 == 0) && __VERIFIER_assert__cond == 1) && main__index1 <= 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + main__index2 + 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)
- InvariantResult [Line: 31]: Loop Invariant
Derived loop invariant: ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main__loop_entered == 0) && main____CPAchecker_TMP_0 == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)
- InvariantResult [Line: 98]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 46]: Loop Invariant
Derived loop invariant: ((((!(main____CPAchecker_TMP_0 == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) || ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && main____CPAchecker_TMP_0 == 1)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 188 SDtfs, 175 SDslu, 252 SDs, 0 SdLazy, 381 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 44 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 579 HoareAnnotationTreeSize, 12 FomulaSimplifications, 514 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 30498 SizeOfPredicates, 3 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 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 correct!
Received shutdown request...