/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/lu.cmp.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-07 06:35:04,595 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-07 06:35:04,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-07 06:35:04,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-07 06:35:04,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-07 06:35:04,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-07 06:35:04,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-07 06:35:04,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-07 06:35:04,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-07 06:35:04,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-07 06:35:04,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-07 06:35:04,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-07 06:35:04,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-07 06:35:04,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-07 06:35:04,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-07 06:35:04,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-07 06:35:04,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-07 06:35:04,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-07 06:35:04,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-07 06:35:04,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-07 06:35:04,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-07 06:35:04,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-07 06:35:04,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-07 06:35:04,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-07 06:35:04,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-07 06:35:04,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-07 06:35:04,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-07 06:35:04,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-11-07 06:35:04,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-11-07 06:35:04,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-11-07 06:35:04,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-11-07 06:35:04,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-11-07 06:35:04,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-07 06:35:04,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-11-07 06:35:04,731 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-07 06:35:04,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-07 06:35:04,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-07 06:35:04,734 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-07 06:35:04,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-07 06:35:04,734 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-07 06:35:04,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-07 06:35:04,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-07 06:35:04,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-07 06:35:04,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-07 06:35:04,735 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-07 06:35:04,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-07 06:35:04,736 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-07 06:35:04,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-07 06:35:04,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-07 06:35:04,737 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-11-07 06:35:04,737 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-07 06:35:04,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-07 06:35:04,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-07 06:35:04,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-07 06:35:04,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-11-07 06:35:04,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-07 06:35:04,738 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-11-07 06:35:05,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-07 06:35:05,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-07 06:35:05,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-07 06:35:05,285 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-07 06:35:05,286 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-07 06:35:05,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c
[2020-11-07 06:35:05,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d77c52b8/991dd227b0d543b4b0f529f0b7b78fc7/FLAGbde44cc30
[2020-11-07 06:35:06,153 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-07 06:35:06,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c
[2020-11-07 06:35:06,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d77c52b8/991dd227b0d543b4b0f529f0b7b78fc7/FLAGbde44cc30
[2020-11-07 06:35:06,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d77c52b8/991dd227b0d543b4b0f529f0b7b78fc7
[2020-11-07 06:35:06,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-07 06:35:06,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-07 06:35:06,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-07 06:35:06,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-07 06:35:06,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-07 06:35:06,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6078f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06, skipping insertion in model container
[2020-11-07 06:35:06,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-07 06:35:06,534 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-07 06:35:06,730 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-07 06:35:06,750 INFO L203 MainTranslator]: Completed pre-run
[2020-11-07 06:35:06,839 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-07 06:35:06,877 INFO L208 MainTranslator]: Completed translation
[2020-11-07 06:35:06,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06 WrapperNode
[2020-11-07 06:35:06,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-07 06:35:06,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-07 06:35:06,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-07 06:35:06,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-07 06:35:06,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
[2020-11-07 06:35:06,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-07 06:35:06,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-07 06:35:06,950 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-07 06:35:06,950 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-07 06:35:06,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-07 06:35:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-07 06:35:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-07 06:35:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-07 06:35:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-11-07 06:35:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs
[2020-11-07 06:35:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-07 06:35:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp
[2020-11-07 06:35:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-07 06:35:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-07 06:35:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-07 06:35:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-07 06:35:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-11-07 06:35:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp
[2020-11-07 06:35:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure fabs
[2020-11-07 06:35:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-07 06:35:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-11-07 06:35:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-11-07 06:35:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-07 06:35:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-07 06:35:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-07 06:35:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-07 06:35:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-07 06:35:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-07 06:35:08,129 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-07 06:35:08,130 INFO L298 CfgBuilder]: Removed 11 assume(true) statements.
[2020-11-07 06:35:08,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:35:08 BoogieIcfgContainer
[2020-11-07 06:35:08,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-07 06:35:08,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-07 06:35:08,135 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-07 06:35:08,141 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-07 06:35:08,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:35:06" (1/3) ...
[2020-11-07 06:35:08,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4458e3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:35:08, skipping insertion in model container
[2020-11-07 06:35:08,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:06" (2/3) ...
[2020-11-07 06:35:08,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4458e3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:35:08, skipping insertion in model container
[2020-11-07 06:35:08,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:35:08" (3/3) ...
[2020-11-07 06:35:08,146 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c
[2020-11-07 06:35:08,173 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-11-07 06:35:08,178 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-07 06:35:08,205 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-11-07 06:35:08,256 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-07 06:35:08,256 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-07 06:35:08,256 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-11-07 06:35:08,257 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-07 06:35:08,257 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-07 06:35:08,257 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-07 06:35:08,257 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-07 06:35:08,257 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-07 06:35:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states.
[2020-11-07 06:35:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-11-07 06:35:08,291 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 06:35:08,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 06:35:08,292 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 06:35:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 06:35:08,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1617994579, now seen corresponding path program 1 times
[2020-11-07 06:35:08,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 06:35:08,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933579641]
[2020-11-07 06:35:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 06:35:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:08,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 06:35:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 06:35:08,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933579641]
[2020-11-07 06:35:08,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 06:35:08,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-07 06:35:08,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879345832]
[2020-11-07 06:35:08,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-07 06:35:08,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 06:35:08,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-07 06:35:08,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 06:35:08,697 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 3 states.
[2020-11-07 06:35:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 06:35:09,448 INFO L93 Difference]: Finished difference Result 368 states and 433 transitions.
[2020-11-07 06:35:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-07 06:35:09,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36
[2020-11-07 06:35:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 06:35:09,461 INFO L225 Difference]: With dead ends: 368
[2020-11-07 06:35:09,461 INFO L226 Difference]: Without dead ends: 61
[2020-11-07 06:35:09,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 06:35:09,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2020-11-07 06:35:09,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54.
[2020-11-07 06:35:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states.
[2020-11-07 06:35:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions.
[2020-11-07 06:35:09,523 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 36
[2020-11-07 06:35:09,523 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 06:35:09,524 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions.
[2020-11-07 06:35:09,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-07 06:35:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions.
[2020-11-07 06:35:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-11-07 06:35:09,526 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 06:35:09,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 06:35:09,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-07 06:35:09,527 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 06:35:09,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 06:35:09,528 INFO L82 PathProgramCache]: Analyzing trace with hash 2075760546, now seen corresponding path program 1 times
[2020-11-07 06:35:09,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 06:35:09,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96512602]
[2020-11-07 06:35:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 06:35:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:09,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 06:35:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 06:35:09,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96512602]
[2020-11-07 06:35:09,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 06:35:09,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-11-07 06:35:09,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657872791]
[2020-11-07 06:35:09,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-11-07 06:35:09,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 06:35:09,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-11-07 06:35:09,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-07 06:35:09,733 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states.
[2020-11-07 06:35:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 06:35:10,128 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions.
[2020-11-07 06:35:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-11-07 06:35:10,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36
[2020-11-07 06:35:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 06:35:10,131 INFO L225 Difference]: With dead ends: 97
[2020-11-07 06:35:10,131 INFO L226 Difference]: Without dead ends: 70
[2020-11-07 06:35:10,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-11-07 06:35:10,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2020-11-07 06:35:10,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 55.
[2020-11-07 06:35:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states.
[2020-11-07 06:35:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions.
[2020-11-07 06:35:10,153 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 36
[2020-11-07 06:35:10,154 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 06:35:10,154 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions.
[2020-11-07 06:35:10,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-11-07 06:35:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions.
[2020-11-07 06:35:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-11-07 06:35:10,156 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 06:35:10,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 06:35:10,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-07 06:35:10,156 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 06:35:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 06:35:10,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1735066646, now seen corresponding path program 1 times
[2020-11-07 06:35:10,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 06:35:10,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282489290]
[2020-11-07 06:35:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 06:35:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:10,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 06:35:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 06:35:10,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282489290]
[2020-11-07 06:35:10,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 06:35:10,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-11-07 06:35:10,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823389262]
[2020-11-07 06:35:10,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-11-07 06:35:10,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 06:35:10,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-11-07 06:35:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-07 06:35:10,357 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 5 states.
[2020-11-07 06:35:10,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 06:35:10,691 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions.
[2020-11-07 06:35:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-11-07 06:35:10,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45
[2020-11-07 06:35:10,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 06:35:10,693 INFO L225 Difference]: With dead ends: 110
[2020-11-07 06:35:10,694 INFO L226 Difference]: Without dead ends: 82
[2020-11-07 06:35:10,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-11-07 06:35:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2020-11-07 06:35:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 61.
[2020-11-07 06:35:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states.
[2020-11-07 06:35:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions.
[2020-11-07 06:35:10,713 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 45
[2020-11-07 06:35:10,713 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 06:35:10,714 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions.
[2020-11-07 06:35:10,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-11-07 06:35:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions.
[2020-11-07 06:35:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-11-07 06:35:10,717 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 06:35:10,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 06:35:10,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-07 06:35:10,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 06:35:10,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 06:35:10,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1387337385, now seen corresponding path program 1 times
[2020-11-07 06:35:10,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 06:35:10,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025463096]
[2020-11-07 06:35:10,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 06:35:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:10,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 06:35:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-11-07 06:35:10,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025463096]
[2020-11-07 06:35:10,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 06:35:10,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-07 06:35:10,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170211912]
[2020-11-07 06:35:10,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-07 06:35:10,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 06:35:10,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-07 06:35:10,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-11-07 06:35:10,986 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 6 states.
[2020-11-07 06:35:11,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 06:35:11,465 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions.
[2020-11-07 06:35:11,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-11-07 06:35:11,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48
[2020-11-07 06:35:11,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 06:35:11,468 INFO L225 Difference]: With dead ends: 84
[2020-11-07 06:35:11,469 INFO L226 Difference]: Without dead ends: 81
[2020-11-07 06:35:11,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-11-07 06:35:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2020-11-07 06:35:11,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78.
[2020-11-07 06:35:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states.
[2020-11-07 06:35:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions.
[2020-11-07 06:35:11,499 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 48
[2020-11-07 06:35:11,500 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 06:35:11,500 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions.
[2020-11-07 06:35:11,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-11-07 06:35:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions.
[2020-11-07 06:35:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-11-07 06:35:11,502 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 06:35:11,502 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 06:35:11,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-07 06:35:11,503 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 06:35:11,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 06:35:11,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1258713198, now seen corresponding path program 1 times
[2020-11-07 06:35:11,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 06:35:11,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393140942]
[2020-11-07 06:35:11,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 06:35:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:11,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 06:35:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:11,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-11-07 06:35:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-07 06:35:11,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393140942]
[2020-11-07 06:35:11,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-11-07 06:35:11,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-11-07 06:35:11,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843439885]
[2020-11-07 06:35:11,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-07 06:35:11,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 06:35:11,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-07 06:35:11,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-07 06:35:11,687 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand 8 states.
[2020-11-07 06:35:12,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 06:35:12,261 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions.
[2020-11-07 06:35:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-11-07 06:35:12,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70
[2020-11-07 06:35:12,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 06:35:12,265 INFO L225 Difference]: With dead ends: 109
[2020-11-07 06:35:12,266 INFO L226 Difference]: Without dead ends: 106
[2020-11-07 06:35:12,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182
[2020-11-07 06:35:12,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2020-11-07 06:35:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103.
[2020-11-07 06:35:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states.
[2020-11-07 06:35:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions.
[2020-11-07 06:35:12,305 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 70
[2020-11-07 06:35:12,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 06:35:12,307 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions.
[2020-11-07 06:35:12,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-07 06:35:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions.
[2020-11-07 06:35:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2020-11-07 06:35:12,313 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 06:35:12,313 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 06:35:12,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-07 06:35:12,314 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 06:35:12,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 06:35:12,314 INFO L82 PathProgramCache]: Analyzing trace with hash 2017231803, now seen corresponding path program 2 times
[2020-11-07 06:35:12,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 06:35:12,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894839521]
[2020-11-07 06:35:12,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 06:35:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:12,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 06:35:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:12,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-11-07 06:35:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2020-11-07 06:35:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 06:35:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2020-11-07 06:35:12,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894839521]
[2020-11-07 06:35:12,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-11-07 06:35:12,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-11-07 06:35:12,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712524632]
[2020-11-07 06:35:12,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-07 06:35:12,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 06:35:12,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-07 06:35:12,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-11-07 06:35:12,584 INFO L87 Difference]: Start difference. First operand 103 states and 109 transitions. Second operand 7 states.
[2020-11-07 06:35:12,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 06:35:13,000 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions.
[2020-11-07 06:35:13,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-11-07 06:35:13,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92
[2020-11-07 06:35:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 06:35:13,011 INFO L225 Difference]: With dead ends: 103
[2020-11-07 06:35:13,012 INFO L226 Difference]: Without dead ends: 0
[2020-11-07 06:35:13,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2020-11-07 06:35:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-07 06:35:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-07 06:35:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-11-07 06:35:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-07 06:35:13,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92
[2020-11-07 06:35:13,013 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 06:35:13,013 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-07 06:35:13,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-11-07 06:35:13,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-07 06:35:13,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-07 06:35:13,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-07 06:35:13,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-11-07 06:35:14,755 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,756 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,756 INFO L269 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,756 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,756 INFO L269 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: true
[2020-11-07 06:35:14,757 INFO L269 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: true
[2020-11-07 06:35:14,757 INFO L269 CegarLoopResult]: At program point L151-1(line 151) the Hoare annotation is: true
[2020-11-07 06:35:14,757 INFO L269 CegarLoopResult]: At program point L118-3(lines 118 136) the Hoare annotation is: true
[2020-11-07 06:35:14,757 INFO L269 CegarLoopResult]: At program point L118-4(line 118) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L118-5(line 118) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L118-6(lines 118 136) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L118-7(lines 118 136) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L120-1(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L120-2(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,758 INFO L269 CegarLoopResult]: At program point L120-3(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,760 INFO L269 CegarLoopResult]: At program point ludcmpEXIT(lines 111 155) the Hoare annotation is: true
[2020-11-07 06:35:14,760 INFO L269 CegarLoopResult]: At program point L120-4(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,760 INFO L269 CegarLoopResult]: At program point L120-5(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,760 INFO L269 CegarLoopResult]: At program point L120-6(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,760 INFO L269 CegarLoopResult]: At program point L120-7(line 120) the Hoare annotation is: true
[2020-11-07 06:35:14,761 INFO L269 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: true
[2020-11-07 06:35:14,761 INFO L269 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: true
[2020-11-07 06:35:14,761 INFO L262 CegarLoopResult]: At program point ludcmpENTRY(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,761 INFO L269 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: true
[2020-11-07 06:35:14,761 INFO L269 CegarLoopResult]: At program point L121-3(lines 121 128) the Hoare annotation is: true
[2020-11-07 06:35:14,761 INFO L269 CegarLoopResult]: At program point L121-4(line 121) the Hoare annotation is: true
[2020-11-07 06:35:14,761 INFO L269 CegarLoopResult]: At program point L121-5(line 121) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L121-6(lines 121 128) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L121-7(lines 121 128) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L138-3(line 138) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L138-4(line 138) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L138-5(lines 138 144) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L138-6(lines 138 144) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: true
[2020-11-07 06:35:14,762 INFO L269 CegarLoopResult]: At program point L123-1(line 123) the Hoare annotation is: true
[2020-11-07 06:35:14,763 INFO L269 CegarLoopResult]: At program point L123-2(line 123) the Hoare annotation is: true
[2020-11-07 06:35:14,763 INFO L269 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: true
[2020-11-07 06:35:14,763 INFO L269 CegarLoopResult]: At program point L140-1(line 140) the Hoare annotation is: true
[2020-11-07 06:35:14,763 INFO L269 CegarLoopResult]: At program point L140-2(line 140) the Hoare annotation is: true
[2020-11-07 06:35:14,763 INFO L269 CegarLoopResult]: At program point L124(lines 124 126) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L124-1(lines 124 126) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L141-3(lines 141 142) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L141-4(line 141) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L141-5(line 141) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L141-6(lines 141 142) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L141-7(lines 141 142) the Hoare annotation is: true
[2020-11-07 06:35:14,764 INFO L269 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: true
[2020-11-07 06:35:14,765 INFO L269 CegarLoopResult]: At program point L125-3(lines 125 126) the Hoare annotation is: true
[2020-11-07 06:35:14,765 INFO L269 CegarLoopResult]: At program point L125-4(line 125) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L125-5(line 125) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L125-6(lines 125 126) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L142-1(line 142) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L142-2(line 142) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L142-3(line 142) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L142-4(line 142) the Hoare annotation is: true
[2020-11-07 06:35:14,766 INFO L269 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: true
[2020-11-07 06:35:14,767 INFO L269 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: true
[2020-11-07 06:35:14,768 INFO L269 CegarLoopResult]: At program point L126-2(line 126) the Hoare annotation is: true
[2020-11-07 06:35:14,768 INFO L269 CegarLoopResult]: At program point L126-3(line 126) the Hoare annotation is: true
[2020-11-07 06:35:14,768 INFO L269 CegarLoopResult]: At program point L126-4(line 126) the Hoare annotation is: true
[2020-11-07 06:35:14,768 INFO L269 CegarLoopResult]: At program point L143(lines 138 144) the Hoare annotation is: true
[2020-11-07 06:35:14,768 INFO L269 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: true
[2020-11-07 06:35:14,768 INFO L269 CegarLoopResult]: At program point L127-1(line 127) the Hoare annotation is: true
[2020-11-07 06:35:14,769 INFO L262 CegarLoopResult]: At program point L111(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,769 INFO L262 CegarLoopResult]: At program point L111-1(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,769 INFO L269 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: true
[2020-11-07 06:35:14,769 INFO L269 CegarLoopResult]: At program point L145-1(line 145) the Hoare annotation is: true
[2020-11-07 06:35:14,769 INFO L269 CegarLoopResult]: At program point L145-2(line 145) the Hoare annotation is: true
[2020-11-07 06:35:14,769 INFO L269 CegarLoopResult]: At program point L145-3(line 145) the Hoare annotation is: true
[2020-11-07 06:35:14,769 INFO L269 CegarLoopResult]: At program point L129-2(line 129) the Hoare annotation is: true
[2020-11-07 06:35:14,769 INFO L269 CegarLoopResult]: At program point L129-3(line 129) the Hoare annotation is: true
[2020-11-07 06:35:14,770 INFO L269 CegarLoopResult]: At program point L129-4(lines 129 135) the Hoare annotation is: true
[2020-11-07 06:35:14,770 INFO L269 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: true
[2020-11-07 06:35:14,770 INFO L269 CegarLoopResult]: At program point L146-3(lines 146 152) the Hoare annotation is: true
[2020-11-07 06:35:14,770 INFO L269 CegarLoopResult]: At program point L146-4(line 146) the Hoare annotation is: true
[2020-11-07 06:35:14,771 INFO L269 CegarLoopResult]: At program point L146-5(line 146) the Hoare annotation is: true
[2020-11-07 06:35:14,771 INFO L269 CegarLoopResult]: At program point L146-6(lines 146 152) the Hoare annotation is: true
[2020-11-07 06:35:14,771 INFO L269 CegarLoopResult]: At program point L146-7(lines 146 152) the Hoare annotation is: true
[2020-11-07 06:35:14,771 INFO L269 CegarLoopResult]: At program point ludcmpFINAL(lines 111 155) the Hoare annotation is: true
[2020-11-07 06:35:14,772 INFO L262 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,773 INFO L262 CegarLoopResult]: At program point L114-1(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,774 INFO L262 CegarLoopResult]: At program point L114-2(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,774 INFO L269 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: true
[2020-11-07 06:35:14,774 INFO L269 CegarLoopResult]: At program point L131-1(line 131) the Hoare annotation is: true
[2020-11-07 06:35:14,775 INFO L269 CegarLoopResult]: At program point L131-2(line 131) the Hoare annotation is: true
[2020-11-07 06:35:14,775 INFO L269 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: true
[2020-11-07 06:35:14,775 INFO L262 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,775 INFO L269 CegarLoopResult]: At program point L148-1(line 148) the Hoare annotation is: true
[2020-11-07 06:35:14,777 INFO L262 CegarLoopResult]: At program point L115-1(line 115) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L148-2(line 148) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-2(lines 112 155) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-3(line 115) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-4(line 115) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-5(line 115) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-6(line 115) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-7(line 115) the Hoare annotation is: true
[2020-11-07 06:35:14,778 INFO L269 CegarLoopResult]: At program point L115-8(line 115) the Hoare annotation is: true
[2020-11-07 06:35:14,782 INFO L269 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: true
[2020-11-07 06:35:14,783 INFO L269 CegarLoopResult]: At program point L132-3(lines 132 133) the Hoare annotation is: true
[2020-11-07 06:35:14,783 INFO L269 CegarLoopResult]: At program point L132-4(line 132) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L132-5(line 132) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L132-6(lines 132 133) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L132-7(lines 132 133) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L149-3(lines 149 150) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L149-4(line 149) the Hoare annotation is: true
[2020-11-07 06:35:14,785 INFO L269 CegarLoopResult]: At program point L149-5(line 149) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L149-6(lines 149 150) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L149-7(lines 149 150) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L133-1(line 133) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L133-2(line 133) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L133-3(line 133) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L133-4(line 133) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: true
[2020-11-07 06:35:14,786 INFO L269 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: true
[2020-11-07 06:35:14,787 INFO L269 CegarLoopResult]: At program point L150-1(line 150) the Hoare annotation is: true
[2020-11-07 06:35:14,787 INFO L269 CegarLoopResult]: At program point L150-2(line 150) the Hoare annotation is: true
[2020-11-07 06:35:14,787 INFO L269 CegarLoopResult]: At program point L150-3(line 150) the Hoare annotation is: true
[2020-11-07 06:35:14,790 INFO L269 CegarLoopResult]: At program point L150-4(line 150) the Hoare annotation is: true
[2020-11-07 06:35:14,790 INFO L269 CegarLoopResult]: At program point L134(lines 129 135) the Hoare annotation is: true
[2020-11-07 06:35:14,790 INFO L269 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L269 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L269 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L269 CegarLoopResult]: At program point L3-5(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,791 INFO L262 CegarLoopResult]: 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)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#x~0.offset| |old(~#x~0.offset)|) (= |old(#memory_real)| |#memory_real|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-11-07 06:35:14,792 INFO L269 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: true
[2020-11-07 06:35:14,792 INFO L269 CegarLoopResult]: At program point L71-1(line 71) the Hoare annotation is: true
[2020-11-07 06:35:14,792 INFO L269 CegarLoopResult]: At program point L71-2(line 71) the Hoare annotation is: true
[2020-11-07 06:35:14,792 INFO L269 CegarLoopResult]: At program point L71-3(line 71) the Hoare annotation is: true
[2020-11-07 06:35:14,795 INFO L269 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,795 INFO L269 CegarLoopResult]: At program point L71-4(line 71) the Hoare annotation is: true
[2020-11-07 06:35:14,795 INFO L269 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point L80(lines 80 81) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point L80-1(line 80) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point L80-3(lines 80 81) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point fabsEXIT(lines 76 83) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point fabsENTRY(lines 76 83) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point fabsFINAL(lines 76 83) the Hoare annotation is: true
[2020-11-07 06:35:14,796 INFO L269 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,797 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,797 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,797 INFO L269 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2020-11-07 06:35:14,797 INFO L262 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,797 INFO L262 CegarLoopResult]: At program point L93-3(line 93) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,797 INFO L262 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,797 INFO L262 CegarLoopResult]: At program point L93-4(line 93) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,797 INFO L269 CegarLoopResult]: At program point mainEXIT(lines 85 109) the Hoare annotation is: true
[2020-11-07 06:35:14,798 INFO L262 CegarLoopResult]: At program point L89-1(line 89) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,798 INFO L262 CegarLoopResult]: At program point L93-5(lines 93 104) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,798 INFO L269 CegarLoopResult]: At program point L93-6(lines 93 104) the Hoare annotation is: true
[2020-11-07 06:35:14,798 INFO L269 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: true
[2020-11-07 06:35:14,798 INFO L269 CegarLoopResult]: At program point L106-1(line 106) the Hoare annotation is: true
[2020-11-07 06:35:14,798 INFO L269 CegarLoopResult]: At program point L106-2(line 106) the Hoare annotation is: true
[2020-11-07 06:35:14,799 INFO L262 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,799 INFO L262 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,800 INFO L262 CegarLoopResult]: At program point L98-1(lines 97 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,800 INFO L262 CegarLoopResult]: At program point L103(lines 93 104) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,800 INFO L262 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,800 INFO L262 CegarLoopResult]: At program point L99-1(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,800 INFO L262 CegarLoopResult]: At program point L99-2(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,801 INFO L262 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,801 INFO L262 CegarLoopResult]: At program point L99-4(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,801 INFO L262 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,801 INFO L269 CegarLoopResult]: At program point mainFINAL(lines 85 109) the Hoare annotation is: true
[2020-11-07 06:35:14,801 INFO L269 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: true
[2020-11-07 06:35:14,801 INFO L262 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,801 INFO L262 CegarLoopResult]: At program point L100-1(line 100) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 85 109) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L96-3(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L96-4(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L96-5(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L96-6(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L96-7(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0))
[2020-11-07 06:35:14,802 INFO L262 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point L88-1(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point L88-2(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point L88-3(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|))
[2020-11-07 06:35:14,803 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 5 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point L6(lines 6 8) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2020-11-07 06:35:14,803 INFO L262 CegarLoopResult]: At program point L7-1(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2020-11-07 06:35:14,804 INFO L262 CegarLoopResult]: At program point L6-2(lines 5 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2020-11-07 06:35:14,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:35:14 BoogieIcfgContainer
[2020-11-07 06:35:14,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-07 06:35:14,842 INFO L168 Benchmark]: Toolchain (without parser) took 8353.84 ms. Allocated memory was 165.7 MB in the beginning and 243.3 MB in the end (delta: 77.6 MB). Free memory was 141.5 MB in the beginning and 172.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 110.6 MB. Max. memory is 8.0 GB.
[2020-11-07 06:35:14,845 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory was 82.5 MB in the beginning and 82.1 MB in the end (delta: 361.9 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-07 06:35:14,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.36 ms. Allocated memory is still 165.7 MB. Free memory was 140.8 MB in the beginning and 128.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2020-11-07 06:35:14,852 INFO L168 Benchmark]: Boogie Preprocessor took 68.12 ms. Allocated memory is still 165.7 MB. Free memory was 128.6 MB in the beginning and 126.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2020-11-07 06:35:14,853 INFO L168 Benchmark]: RCFGBuilder took 1183.58 ms. Allocated memory is still 165.7 MB. Free memory was 126.3 MB in the beginning and 128.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB.
[2020-11-07 06:35:14,854 INFO L168 Benchmark]: TraceAbstraction took 6700.09 ms. Allocated memory was 165.7 MB in the beginning and 243.3 MB in the end (delta: 77.6 MB). Free memory was 128.3 MB in the beginning and 172.3 MB in the end (delta: -44.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 8.0 GB.
[2020-11-07 06:35:14,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory was 82.5 MB in the beginning and 82.1 MB in the end (delta: 361.9 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 388.36 ms. Allocated memory is still 165.7 MB. Free memory was 140.8 MB in the beginning and 128.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 68.12 ms. Allocated memory is still 165.7 MB. Free memory was 128.6 MB in the beginning and 126.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1183.58 ms. Allocated memory is still 165.7 MB. Free memory was 126.3 MB in the beginning and 128.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 6700.09 ms. Allocated memory was 165.7 MB in the beginning and 243.3 MB in the end (delta: 77.6 MB). Free memory was 128.3 MB in the beginning and 172.3 MB in the end (delta: -44.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 146]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 125]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 141]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 129]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 121]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 132]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 93]: Loop Invariant
Derived loop invariant: n <= 5 && 5 <= n
- InvariantResult [Line: 149]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 138]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 118]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 96]: Loop Invariant
Derived loop invariant: (i <= 5 && n <= 5) && 5 <= n
- ProcedureContractResult [Line: 3]: Procedure Contract for reach_error
Derived contract for procedure reach_error: 1
- ProcedureContractResult [Line: 111]: Procedure Contract for ludcmp
Derived contract for procedure ludcmp: 1
- ProcedureContractResult [Line: 76]: Procedure Contract for fabs
Derived contract for procedure fabs: 1
- ProcedureContractResult [Line: 85]: Procedure Contract for main
Derived contract for procedure main: 1
- ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 243 SDslu, 416 SDs, 0 SdLazy, 749 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 49 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 195 LocationsWithAnnotation, 495 PreInvPairs, 788 NumberOfFragments, 628 HoareAnnotationTreeSize, 495 FomulaSimplifications, 3273 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 195 FomulaSimplificationsInter, 1349 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 56060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 39/85 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...