/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/eca-rers2012/Problem10_label05.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.0-7d8eed3
[2020-11-06 22:38:32,037 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2020-11-06 22:38:32,132 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-06 22:38:32,135 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
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[2020-11-06 22:38:32,167 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
[2020-11-06 22:38:32,226 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-11-06 22:38:32,227 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-06 22:38:32,232 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-06 22:38:32,232 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-11-06 22:38:32,232 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-11-06 22:38:32,233 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-06 22:38:32,233 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-11-06 22:38:32,233 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-11-06 22:38:32,233 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-11-06 22:38:32,234 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-11-06 22:38:32,235 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-11-06 22:38:32,235 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-06 22:38:32,235 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-11-06 22:38:32,236 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-11-06 22:38:32,236 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-11-06 22:38:32,236 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-11-06 22:38:32,236 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-11-06 22:38:32,237 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-06 22:38:32,237 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-11-06 22:38:32,237 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-11-06 22:38:32,237 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-11-06 22:38:32,238 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-06 22:38:32,238 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-06 22:38:32,238 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-11-06 22:38:32,238 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-06 22:38:32,238 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-11-06 22:38:32,239 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-06 22:38:32,239 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-06 22:38:32,239 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-11-06 22:38:32,240 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-06 22:38:32,753 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-06 22:38:32,795 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-06 22:38:32,800 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-06 22:38:32,801 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-11-06 22:38:32,807 INFO  L275        PluginConnector]: CDTParser initialized
[2020-11-06 22:38:32,809 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c
[2020-11-06 22:38:32,917 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f8d6374/3908a61e4b5049a0838159ad41b8cbee/FLAG0e7ec2fe0
[2020-11-06 22:38:33,831 INFO  L306              CDTParser]: Found 1 translation units.
[2020-11-06 22:38:33,833 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c
[2020-11-06 22:38:33,867 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f8d6374/3908a61e4b5049a0838159ad41b8cbee/FLAG0e7ec2fe0
[2020-11-06 22:38:34,044 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f8d6374/3908a61e4b5049a0838159ad41b8cbee
[2020-11-06 22:38:34,047 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-06 22:38:34,055 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-06 22:38:34,057 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-06 22:38:34,057 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-06 22:38:34,061 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-06 22:38:34,063 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,066 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b78c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34, skipping insertion in model container
[2020-11-06 22:38:34,067 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,076 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-11-06 22:38:34,125 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-11-06 22:38:34,565 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-06 22:38:34,576 INFO  L203         MainTranslator]: Completed pre-run
[2020-11-06 22:38:34,772 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-06 22:38:34,791 INFO  L208         MainTranslator]: Completed translation
[2020-11-06 22:38:34,792 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34 WrapperNode
[2020-11-06 22:38:34,792 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-06 22:38:34,793 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-06 22:38:34,794 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-06 22:38:34,794 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-11-06 22:38:34,808 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,808 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,829 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,829 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,866 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,888 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,900 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (1/1) ...
[2020-11-06 22:38:34,914 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-06 22:38:34,915 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-06 22:38:34,916 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-11-06 22:38:34,916 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-11-06 22:38:34,917 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (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
[2020-11-06 22:38:35,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-06 22:38:35,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-06 22:38:35,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-06 22:38:35,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-11-06 22:38:35,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-11-06 22:38:35,031 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-11-06 22:38:35,031 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-11-06 22:38:35,031 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-06 22:38:35,031 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-06 22:38:35,032 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-06 22:38:35,033 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-06 22:38:35,033 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-11-06 22:38:35,033 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-11-06 22:38:35,034 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-06 22:38:35,035 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-06 22:38:35,035 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-06 22:38:35,036 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-11-06 22:38:35,036 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-11-06 22:38:35,036 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-06 22:38:36,652 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-06 22:38:36,652 INFO  L298             CfgBuilder]: Removed 1 assume(true) statements.
[2020-11-06 22:38:36,654 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:36 BoogieIcfgContainer
[2020-11-06 22:38:36,655 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-06 22:38:36,657 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-06 22:38:36,657 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-11-06 22:38:36,661 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-11-06 22:38:36,661 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:34" (1/3) ...
[2020-11-06 22:38:36,662 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:36, skipping insertion in model container
[2020-11-06 22:38:36,662 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:34" (2/3) ...
[2020-11-06 22:38:36,663 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:36, skipping insertion in model container
[2020-11-06 22:38:36,663 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:36" (3/3) ...
[2020-11-06 22:38:36,665 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem10_label05.c
[2020-11-06 22:38:36,685 INFO  L179   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-06 22:38:36,690 INFO  L191   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-06 22:38:36,707 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-11-06 22:38:36,739 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-11-06 22:38:36,740 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-11-06 22:38:36,740 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-06 22:38:36,740 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-06 22:38:36,740 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-06 22:38:36,740 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-11-06 22:38:36,740 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-06 22:38:36,741 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-06 22:38:36,768 INFO  L276                IsEmpty]: Start isEmpty. Operand 219 states.
[2020-11-06 22:38:36,780 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-11-06 22:38:36,780 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:36,782 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 22:38:36,782 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:36,790 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:36,791 INFO  L82        PathProgramCache]: Analyzing trace with hash -28071030, now seen corresponding path program 1 times
[2020-11-06 22:38:36,804 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:36,804 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114106753]
[2020-11-06 22:38:36,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:36,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:37,230 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:37,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:37,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:37,278 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114106753]
[2020-11-06 22:38:37,279 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 22:38:37,280 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-06 22:38:37,281 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512965344]
[2020-11-06 22:38:37,292 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-06 22:38:37,293 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:37,308 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-06 22:38:37,308 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-06 22:38:37,311 INFO  L87              Difference]: Start difference. First operand 219 states. Second operand 4 states.
[2020-11-06 22:38:39,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:39,358 INFO  L93              Difference]: Finished difference Result 601 states and 1027 transitions.
[2020-11-06 22:38:39,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-11-06 22:38:39,360 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 59
[2020-11-06 22:38:39,361 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:39,377 INFO  L225             Difference]: With dead ends: 601
[2020-11-06 22:38:39,377 INFO  L226             Difference]: Without dead ends: 303
[2020-11-06 22:38:39,386 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-06 22:38:39,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 303 states.
[2020-11-06 22:38:39,458 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299.
[2020-11-06 22:38:39,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 299 states.
[2020-11-06 22:38:39,462 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions.
[2020-11-06 22:38:39,464 INFO  L78                 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 59
[2020-11-06 22:38:39,465 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:39,465 INFO  L481      AbstractCegarLoop]: Abstraction has 299 states and 431 transitions.
[2020-11-06 22:38:39,466 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-06 22:38:39,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions.
[2020-11-06 22:38:39,475 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2020-11-06 22:38:39,475 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:39,476 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-11-06 22:38:39,478 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-06 22:38:39,478 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:39,479 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:39,480 INFO  L82        PathProgramCache]: Analyzing trace with hash 1838514767, now seen corresponding path program 1 times
[2020-11-06 22:38:39,480 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:39,480 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589762947]
[2020-11-06 22:38:39,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:39,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:39,755 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:39,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:39,784 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:39,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:39,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:39,944 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589762947]
[2020-11-06 22:38:39,945 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 22:38:39,945 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-06 22:38:39,946 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045813771]
[2020-11-06 22:38:39,948 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-06 22:38:39,948 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:39,951 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-06 22:38:39,953 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-11-06 22:38:39,953 INFO  L87              Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states.
[2020-11-06 22:38:41,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:41,908 INFO  L93              Difference]: Finished difference Result 910 states and 1353 transitions.
[2020-11-06 22:38:41,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-11-06 22:38:41,909 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 133
[2020-11-06 22:38:41,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:41,925 INFO  L225             Difference]: With dead ends: 910
[2020-11-06 22:38:41,926 INFO  L226             Difference]: Without dead ends: 617
[2020-11-06 22:38:41,928 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2020-11-06 22:38:41,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 617 states.
[2020-11-06 22:38:42,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597.
[2020-11-06 22:38:42,007 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 597 states.
[2020-11-06 22:38:42,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 783 transitions.
[2020-11-06 22:38:42,011 INFO  L78                 Accepts]: Start accepts. Automaton has 597 states and 783 transitions. Word has length 133
[2020-11-06 22:38:42,012 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:42,012 INFO  L481      AbstractCegarLoop]: Abstraction has 597 states and 783 transitions.
[2020-11-06 22:38:42,012 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-11-06 22:38:42,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 597 states and 783 transitions.
[2020-11-06 22:38:42,016 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2020-11-06 22:38:42,016 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:42,017 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-11-06 22:38:42,017 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-06 22:38:42,017 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:42,018 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:42,018 INFO  L82        PathProgramCache]: Analyzing trace with hash 241930341, now seen corresponding path program 1 times
[2020-11-06 22:38:42,018 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:42,019 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033312894]
[2020-11-06 22:38:42,019 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:42,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:42,267 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:42,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:42,292 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:42,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:42,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:42,426 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033312894]
[2020-11-06 22:38:42,426 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657846823]
[2020-11-06 22:38:42,426 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
[2020-11-06 22:38:42,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:42,545 INFO  L263         TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-11-06 22:38:42,557 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-06 22:38:42,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:42,707 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-06 22:38:42,708 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9
[2020-11-06 22:38:42,708 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219908066]
[2020-11-06 22:38:42,709 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-06 22:38:42,709 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:42,709 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-06 22:38:42,710 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-11-06 22:38:42,713 INFO  L87              Difference]: Start difference. First operand 597 states and 783 transitions. Second operand 3 states.
[2020-11-06 22:38:43,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:43,645 INFO  L93              Difference]: Finished difference Result 1037 states and 1408 transitions.
[2020-11-06 22:38:43,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-06 22:38:43,645 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 138
[2020-11-06 22:38:43,649 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:43,662 INFO  L225             Difference]: With dead ends: 1037
[2020-11-06 22:38:43,663 INFO  L226             Difference]: Without dead ends: 1034
[2020-11-06 22:38:43,664 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-11-06 22:38:43,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1034 states.
[2020-11-06 22:38:43,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 746.
[2020-11-06 22:38:43,731 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 746 states.
[2020-11-06 22:38:43,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions.
[2020-11-06 22:38:43,737 INFO  L78                 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 138
[2020-11-06 22:38:43,738 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:43,739 INFO  L481      AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions.
[2020-11-06 22:38:43,739 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-06 22:38:43,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions.
[2020-11-06 22:38:43,750 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2020-11-06 22:38:43,750 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:43,750 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 22:38:43,955 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2020-11-06 22:38:43,956 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:43,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:43,957 INFO  L82        PathProgramCache]: Analyzing trace with hash -1204351825, now seen corresponding path program 1 times
[2020-11-06 22:38:43,958 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:43,958 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618107272]
[2020-11-06 22:38:43,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:44,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:44,227 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:44,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:44,292 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:44,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:44,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:44,479 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618107272]
[2020-11-06 22:38:44,479 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 22:38:44,479 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-06 22:38:44,479 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352742621]
[2020-11-06 22:38:44,480 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 22:38:44,480 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:44,481 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 22:38:44,481 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-11-06 22:38:44,481 INFO  L87              Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand 8 states.
[2020-11-06 22:38:46,527 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:46,528 INFO  L93              Difference]: Finished difference Result 2108 states and 2999 transitions.
[2020-11-06 22:38:46,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-11-06 22:38:46,536 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 181
[2020-11-06 22:38:46,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:46,545 INFO  L225             Difference]: With dead ends: 2108
[2020-11-06 22:38:46,545 INFO  L226             Difference]: Without dead ends: 1368
[2020-11-06 22:38:46,548 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156
[2020-11-06 22:38:46,565 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1368 states.
[2020-11-06 22:38:46,648 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1193.
[2020-11-06 22:38:46,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1193 states.
[2020-11-06 22:38:46,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1581 transitions.
[2020-11-06 22:38:46,659 INFO  L78                 Accepts]: Start accepts. Automaton has 1193 states and 1581 transitions. Word has length 181
[2020-11-06 22:38:46,660 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:46,660 INFO  L481      AbstractCegarLoop]: Abstraction has 1193 states and 1581 transitions.
[2020-11-06 22:38:46,660 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 22:38:46,660 INFO  L276                IsEmpty]: Start isEmpty. Operand 1193 states and 1581 transitions.
[2020-11-06 22:38:46,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 221
[2020-11-06 22:38:46,667 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:46,667 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 22:38:46,667 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-06 22:38:46,668 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:46,668 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:46,668 INFO  L82        PathProgramCache]: Analyzing trace with hash -1939061382, now seen corresponding path program 1 times
[2020-11-06 22:38:46,669 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:46,669 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016514862]
[2020-11-06 22:38:46,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:46,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:46,861 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:46,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:46,884 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:46,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:46,920 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-11-06 22:38:46,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:47,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-11-06 22:38:47,049 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016514862]
[2020-11-06 22:38:47,050 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983313203]
[2020-11-06 22:38:47,050 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:47,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:47,212 INFO  L263         TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-11-06 22:38:47,250 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-06 22:38:47,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:47,508 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-11-06 22:38:47,508 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11
[2020-11-06 22:38:47,508 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474095387]
[2020-11-06 22:38:47,510 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-11-06 22:38:47,512 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:47,513 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-11-06 22:38:47,514 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2020-11-06 22:38:47,515 INFO  L87              Difference]: Start difference. First operand 1193 states and 1581 transitions. Second operand 11 states.
[2020-11-06 22:38:51,633 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:51,633 INFO  L93              Difference]: Finished difference Result 3004 states and 4048 transitions.
[2020-11-06 22:38:51,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-11-06 22:38:51,635 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 220
[2020-11-06 22:38:51,635 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:51,645 INFO  L225             Difference]: With dead ends: 3004
[2020-11-06 22:38:51,646 INFO  L226             Difference]: Without dead ends: 1223
[2020-11-06 22:38:51,654 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650
[2020-11-06 22:38:51,656 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1223 states.
[2020-11-06 22:38:51,716 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1046.
[2020-11-06 22:38:51,717 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1046 states.
[2020-11-06 22:38:51,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1305 transitions.
[2020-11-06 22:38:51,727 INFO  L78                 Accepts]: Start accepts. Automaton has 1046 states and 1305 transitions. Word has length 220
[2020-11-06 22:38:51,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:51,732 INFO  L481      AbstractCegarLoop]: Abstraction has 1046 states and 1305 transitions.
[2020-11-06 22:38:51,732 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-11-06 22:38:51,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 1046 states and 1305 transitions.
[2020-11-06 22:38:51,736 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 228
[2020-11-06 22:38:51,737 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:51,738 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 22:38:51,951 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:51,952 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:51,953 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:51,954 INFO  L82        PathProgramCache]: Analyzing trace with hash -1349444740, now seen corresponding path program 1 times
[2020-11-06 22:38:51,954 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:51,955 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21093]
[2020-11-06 22:38:51,955 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:51,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:52,093 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:52,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:52,110 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:52,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:52,141 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-11-06 22:38:52,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:52,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-11-06 22:38:52,282 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21093]
[2020-11-06 22:38:52,283 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094098753]
[2020-11-06 22:38:52,283 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:52,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:52,438 INFO  L263         TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-11-06 22:38:52,454 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-06 22:38:52,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 22:38:52,602 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-11-06 22:38:52,603 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10
[2020-11-06 22:38:52,603 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484831512]
[2020-11-06 22:38:52,604 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-11-06 22:38:52,604 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:52,605 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-11-06 22:38:52,606 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-11-06 22:38:52,606 INFO  L87              Difference]: Start difference. First operand 1046 states and 1305 transitions. Second operand 10 states.
[2020-11-06 22:38:55,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:55,627 INFO  L93              Difference]: Finished difference Result 2986 states and 3766 transitions.
[2020-11-06 22:38:55,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2020-11-06 22:38:55,628 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 227
[2020-11-06 22:38:55,628 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:55,639 INFO  L225             Difference]: With dead ends: 2986
[2020-11-06 22:38:55,639 INFO  L226             Difference]: Without dead ends: 1801
[2020-11-06 22:38:55,644 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552
[2020-11-06 22:38:55,647 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1801 states.
[2020-11-06 22:38:55,694 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1491.
[2020-11-06 22:38:55,694 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1491 states.
[2020-11-06 22:38:55,701 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1806 transitions.
[2020-11-06 22:38:55,701 INFO  L78                 Accepts]: Start accepts. Automaton has 1491 states and 1806 transitions. Word has length 227
[2020-11-06 22:38:55,702 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:55,702 INFO  L481      AbstractCegarLoop]: Abstraction has 1491 states and 1806 transitions.
[2020-11-06 22:38:55,702 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-11-06 22:38:55,702 INFO  L276                IsEmpty]: Start isEmpty. Operand 1491 states and 1806 transitions.
[2020-11-06 22:38:55,707 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2020-11-06 22:38:55,708 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:55,708 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 22:38:55,922 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:55,923 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:55,924 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:55,924 INFO  L82        PathProgramCache]: Analyzing trace with hash 1938738512, now seen corresponding path program 1 times
[2020-11-06 22:38:55,925 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:55,925 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179502870]
[2020-11-06 22:38:55,925 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:55,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:56,049 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:56,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:56,082 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:56,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:56,247 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-06 22:38:56,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:56,476 INFO  L134       CoverageAnalysis]: Checked inductivity of 184 backedges. 102 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-11-06 22:38:56,477 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179502870]
[2020-11-06 22:38:56,477 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144445500]
[2020-11-06 22:38:56,477 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:56,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:56,617 INFO  L263         TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-11-06 22:38:56,621 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-06 22:38:56,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 184 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked.
[2020-11-06 22:38:56,707 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-06 22:38:56,707 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9
[2020-11-06 22:38:56,707 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329062511]
[2020-11-06 22:38:56,708 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-06 22:38:56,708 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:56,709 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-06 22:38:56,709 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-11-06 22:38:56,709 INFO  L87              Difference]: Start difference. First operand 1491 states and 1806 transitions. Second operand 3 states.
[2020-11-06 22:38:57,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:57,462 INFO  L93              Difference]: Finished difference Result 1637 states and 1952 transitions.
[2020-11-06 22:38:57,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-06 22:38:57,469 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 237
[2020-11-06 22:38:57,469 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:57,476 INFO  L225             Difference]: With dead ends: 1637
[2020-11-06 22:38:57,477 INFO  L226             Difference]: Without dead ends: 1487
[2020-11-06 22:38:57,478 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-11-06 22:38:57,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1487 states.
[2020-11-06 22:38:57,523 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1487.
[2020-11-06 22:38:57,523 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1487 states.
[2020-11-06 22:38:57,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1796 transitions.
[2020-11-06 22:38:57,530 INFO  L78                 Accepts]: Start accepts. Automaton has 1487 states and 1796 transitions. Word has length 237
[2020-11-06 22:38:57,530 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:57,531 INFO  L481      AbstractCegarLoop]: Abstraction has 1487 states and 1796 transitions.
[2020-11-06 22:38:57,531 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-06 22:38:57,531 INFO  L276                IsEmpty]: Start isEmpty. Operand 1487 states and 1796 transitions.
[2020-11-06 22:38:57,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 256
[2020-11-06 22:38:57,536 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-06 22:38:57,537 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 22:38:57,752 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:57,753 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 22:38:57,754 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 22:38:57,754 INFO  L82        PathProgramCache]: Analyzing trace with hash -60532802, now seen corresponding path program 1 times
[2020-11-06 22:38:57,754 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 22:38:57,755 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396537425]
[2020-11-06 22:38:57,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 22:38:57,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:57,878 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 22:38:57,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:57,904 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-11-06 22:38:57,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:58,030 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2020-11-06 22:38:58,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:58,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 179 backedges. 102 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-11-06 22:38:58,202 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396537425]
[2020-11-06 22:38:58,202 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164845743]
[2020-11-06 22:38:58,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:58,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 22:38:58,363 INFO  L263         TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-11-06 22:38:58,368 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-06 22:38:58,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 179 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2020-11-06 22:38:58,441 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-06 22:38:58,441 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9
[2020-11-06 22:38:58,442 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290113171]
[2020-11-06 22:38:58,442 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-06 22:38:58,443 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 22:38:58,443 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-06 22:38:58,444 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-11-06 22:38:58,444 INFO  L87              Difference]: Start difference. First operand 1487 states and 1796 transitions. Second operand 3 states.
[2020-11-06 22:38:59,226 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 22:38:59,226 INFO  L93              Difference]: Finished difference Result 2965 states and 3584 transitions.
[2020-11-06 22:38:59,230 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-06 22:38:59,231 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 255
[2020-11-06 22:38:59,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 22:38:59,232 INFO  L225             Difference]: With dead ends: 2965
[2020-11-06 22:38:59,232 INFO  L226             Difference]: Without dead ends: 0
[2020-11-06 22:38:59,239 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-11-06 22:38:59,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-06 22:38:59,239 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-06 22:38:59,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-11-06 22:38:59,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-06 22:38:59,240 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255
[2020-11-06 22:38:59,240 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-06 22:38:59,240 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-06 22:38:59,240 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-06 22:38:59,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-06 22:38:59,240 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-06 22:38:59,454 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 22:38:59,458 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-11-06 22:39:00,077 WARN  L194               SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 30
[2020-11-06 22:39:00,485 WARN  L194               SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 44
[2020-11-06 22:39:00,704 WARN  L194               SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 38
[2020-11-06 22:39:01,618 WARN  L194               SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 47
[2020-11-06 22:39:02,123 WARN  L194               SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 44
[2020-11-06 22:39:02,128 INFO  L266        CegarLoopResult]: For program point  reach_errorEXIT(line 4)  no Hoare annotation was computed.
[2020-11-06 22:39:02,128 INFO  L269        CegarLoopResult]: At program point  reach_errorENTRY(line 4)  the Hoare annotation is:  true
[2020-11-06 22:39:02,128 INFO  L266        CegarLoopResult]: For program point  reach_errorFINAL(line 4)  no Hoare annotation was computed.
[2020-11-06 22:39:02,128 INFO  L266        CegarLoopResult]: For program point  reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4)  no Hoare annotation was computed.
[2020-11-06 22:39:02,128 INFO  L266        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 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)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|))
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  L531(lines 531 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  L432(lines 432 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  L267(lines 267 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  L201(line 201)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  L168(line 168)  no Hoare annotation was computed.
[2020-11-06 22:39:02,129 INFO  L266        CegarLoopResult]: For program point  L135(line 135)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L102(line 102)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L69(line 69)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L36(line 36)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L565(lines 565 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L400(lines 400 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L367(lines 367 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,130 INFO  L266        CegarLoopResult]: For program point  L467(lines 467 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L203-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L170-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L137-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L104-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L71-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L38-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L501(lines 501 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L303(lines 303 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L204(line 204)  no Hoare annotation was computed.
[2020-11-06 22:39:02,131 INFO  L266        CegarLoopResult]: For program point  L171(line 171)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L138(line 138)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L105(line 105)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L72(line 72)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L39(line 39)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L337(lines 337 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L238(lines 238 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L536(lines 536 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L173-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L140-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,132 INFO  L266        CegarLoopResult]: For program point  L107-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L74-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L41-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L438(lines 438 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L405(lines 405 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L372(lines 372 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L273(lines 273 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L174(line 174)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L141(line 141)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L108(line 108)  no Hoare annotation was computed.
[2020-11-06 22:39:02,133 INFO  L266        CegarLoopResult]: For program point  L75(line 75)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L42(line 42)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L571(lines 571 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L241(lines 241 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L506(lines 506 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L473(lines 473 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L308(lines 308 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L176-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L143-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,134 INFO  L266        CegarLoopResult]: For program point  L110-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L77-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L44-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L342(lines 342 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L177(line 177)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L144(line 144)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L111(line 111)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L78(line 78)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L45(line 45)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L542(lines 542 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,135 INFO  L266        CegarLoopResult]: For program point  L410(lines 410 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L377(lines 377 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L212(lines 212 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L179-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L146-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L113-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L80-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L47-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L444(lines 444 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L279(lines 279 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,136 INFO  L266        CegarLoopResult]: For program point  L246(lines 246 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L180(line 180)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L147(line 147)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L114(line 114)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L81(line 81)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L48(line 48)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L511(lines 511 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L478(lines 478 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L380(lines 380 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L347(lines 347 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,137 INFO  L266        CegarLoopResult]: For program point  L314(lines 314 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L182-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L149-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L116-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L83-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L50-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L183(line 183)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L150(line 150)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L117(line 117)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L84(line 84)  no Hoare annotation was computed.
[2020-11-06 22:39:02,138 INFO  L266        CegarLoopResult]: For program point  L51(line 51)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  calculate_outputFINAL(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  calculate_outputEXIT(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L547(lines 547 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L217(lines 217 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L416(lines 416 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L251(lines 251 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L185-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L152-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L119-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L86-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,139 INFO  L266        CegarLoopResult]: For program point  L53-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L516(lines 516 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L483(lines 483 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L450(lines 450 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L285(lines 285 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L186(line 186)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L153(line 153)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L120(line 120)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L87(line 87)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L54(line 54)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L550(lines 550 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L385(lines 385 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L319(lines 319 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L353(lines 353 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L188-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,140 INFO  L266        CegarLoopResult]: For program point  L155-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L122-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L89-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L23(lines 23 25)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L56-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L23-2(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L519(lines 519 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L288(lines 288 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L222(lines 222 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L189(line 189)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L156(line 156)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L123(line 123)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L90(line 90)  no Hoare annotation was computed.
[2020-11-06 22:39:02,141 INFO  L266        CegarLoopResult]: For program point  L57(line 57)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L24(line 24)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L421(lines 421 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L322(lines 322 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L256(lines 256 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L356(lines 356 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L191-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L158-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L125-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L92-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L59-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L26-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,142 INFO  L266        CegarLoopResult]: For program point  L489(lines 489 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L262        CegarLoopResult]: At program point  calculate_outputENTRY(lines 22 576)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (<= |old(~a1~0)| 23)) .cse2 .cse3) (or (not (<= 7 |old(~a19~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2)) .cse2 .cse3) (or .cse1 (not (<= |old(~a19~0)| 9)) (not (<= 3 |old(~a10~0)|)) .cse2 .cse3) (or .cse1 .cse2 (not (= 2 |old(~a10~0)|)) .cse3)))
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L456(lines 456 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L390(lines 390 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L192(line 192)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L159(line 159)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L126(line 126)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L93(line 93)  no Hoare annotation was computed.
[2020-11-06 22:39:02,143 INFO  L266        CegarLoopResult]: For program point  L60(line 60)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L27(line 27)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L556(lines 556 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L325(lines 325 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L359(lines 359 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L293(lines 293 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L227(lines 227 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L194-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L161-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L128-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L95-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L62-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L29-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L525(lines 525 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,144 INFO  L266        CegarLoopResult]: For program point  L195(line 195)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L262        CegarLoopResult]: At program point  L162(line 162)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a1~0)| 23)) .cse0 .cse1 .cse2) (or (not (<= 7 |old(~a19~0)|)) .cse0 .cse1 .cse2) (or .cse1 (not (= 2 |old(~a10~0)|)) .cse2) (or (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 3 |old(~a10~0)|)) .cse2)))
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L129(line 129)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L162-1(line 162)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L96(line 96)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L30(line 30)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L559(lines 559 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L427(lines 427 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L328(lines 328 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L262(lines 262 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L395(lines 395 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L362(lines 362 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,145 INFO  L266        CegarLoopResult]: For program point  L197-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L164-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L131-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L98-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L65-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L32-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L528(lines 528 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L495(lines 495 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L462(lines 462 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L198(line 198)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L165(line 165)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L132(line 132)  no Hoare annotation was computed.
[2020-11-06 22:39:02,146 INFO  L266        CegarLoopResult]: For program point  L99(line 99)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L66(line 66)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L33(line 33)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L331(lines 331 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L298(lines 298 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L233(lines 233 574)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L200-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L167-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L134-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L101-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L68-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  L35-1(lines 22 576)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L266        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-11-06 22:39:02,147 INFO  L262        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= 8 ~a19~0) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23))
[2020-11-06 22:39:02,148 INFO  L269        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-11-06 22:39:02,148 INFO  L266        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-11-06 22:39:02,148 INFO  L262        CegarLoopResult]: At program point  mainENTRY(lines 578 594)  the Hoare annotation is:  (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0)))
[2020-11-06 22:39:02,148 INFO  L266        CegarLoopResult]: For program point  mainEXIT(lines 578 594)  no Hoare annotation was computed.
[2020-11-06 22:39:02,148 INFO  L262        CegarLoopResult]: At program point  L592(line 592)  the Hoare annotation is:  (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and (<= 3 ~a10~0) .cse0 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= 7 ~a19~0) (<= ~a10~0 2)) (and .cse0 (= ~a10~0 2)) (not (= ~a12~0 0))))
[2020-11-06 22:39:02,148 INFO  L266        CegarLoopResult]: For program point  L592-1(line 592)  no Hoare annotation was computed.
[2020-11-06 22:39:02,148 INFO  L266        CegarLoopResult]: For program point  L589(line 589)  no Hoare annotation was computed.
[2020-11-06 22:39:02,148 INFO  L262        CegarLoopResult]: At program point  L584-2(lines 584 593)  the Hoare annotation is:  (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and (<= 3 ~a10~0) .cse0 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= 7 ~a19~0) (<= ~a10~0 2)) (and .cse0 (= ~a10~0 2)) (not (= ~a12~0 0))))
[2020-11-06 22:39:02,148 INFO  L266        CegarLoopResult]: For program point  L584-3(lines 578 594)  no Hoare annotation was computed.
[2020-11-06 22:39:02,170 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:39:02 BoogieIcfgContainer
[2020-11-06 22:39:02,170 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-06 22:39:02,172 INFO  L168              Benchmark]: Toolchain (without parser) took 28121.98 ms. Allocated memory was 153.1 MB in the beginning and 388.0 MB in the end (delta: 234.9 MB). Free memory was 127.5 MB in the beginning and 225.8 MB in the end (delta: -98.3 MB). Peak memory consumption was 235.1 MB. Max. memory is 8.0 GB.
[2020-11-06 22:39:02,172 INFO  L168              Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 153.1 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-06 22:39:02,173 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 735.97 ms. Allocated memory is still 153.1 MB. Free memory was 126.7 MB in the beginning and 132.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB.
[2020-11-06 22:39:02,174 INFO  L168              Benchmark]: Boogie Preprocessor took 121.24 ms. Allocated memory is still 153.1 MB. Free memory was 132.1 MB in the beginning and 127.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB.
[2020-11-06 22:39:02,174 INFO  L168              Benchmark]: RCFGBuilder took 1739.42 ms. Allocated memory is still 153.1 MB. Free memory was 127.3 MB in the beginning and 107.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB.
[2020-11-06 22:39:02,175 INFO  L168              Benchmark]: TraceAbstraction took 25513.46 ms. Allocated memory was 153.1 MB in the beginning and 388.0 MB in the end (delta: 234.9 MB). Free memory was 107.6 MB in the beginning and 225.8 MB in the end (delta: -118.2 MB). Peak memory consumption was 214.1 MB. Max. memory is 8.0 GB.
[2020-11-06 22:39:02,179 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28 ms. Allocated memory is still 153.1 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 735.97 ms. Allocated memory is still 153.1 MB. Free memory was 126.7 MB in the beginning and 132.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 121.24 ms. Allocated memory is still 153.1 MB. Free memory was 132.1 MB in the beginning and 127.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 1739.42 ms. Allocated memory is still 153.1 MB. Free memory was 127.3 MB in the beginning and 107.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 25513.46 ms. Allocated memory was 153.1 MB in the beginning and 388.0 MB in the end (delta: 234.9 MB). Free memory was 107.6 MB in the beginning and 225.8 MB in the end (delta: -118.2 MB). Peak memory consumption was 214.1 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 4]: 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: 584]: Loop Invariant
    Derived loop invariant: (((((((((((9 <= \old(a19) && a19 <= 9) && a1 <= 23) || ((3 <= a10 && 9 <= \old(a19)) && a19 <= 9)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || !(8 <= \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || ((9 <= \old(a19) && 7 <= a19) && a10 <= 2)) || (9 <= \old(a19) && a10 == 2)) || !(a12 == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 393 SDtfs, 3579 SDslu, 284 SDs, 0 SdLazy, 6292 SolverSat, 1387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1199 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1491occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 974 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 112 PreInvPairs, 144 NumberOfFragments, 475 HoareAnnotationTreeSize, 112 FomulaSimplifications, 39119 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4332 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2527 NumberOfCodeBlocks, 2527 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2514 ConstructedInterpolants, 0 QuantifiedInterpolants, 1503104 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2251 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1478/1636 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...