/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 11:37:33,595 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 11:37:33,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 11:37:33,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 11:37:33,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 11:37:33,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 11:37:33,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 11:37:33,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 11:37:33,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 11:37:33,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 11:37:33,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 11:37:33,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 11:37:33,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 11:37:33,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 11:37:33,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 11:37:33,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 11:37:33,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 11:37:33,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 11:37:33,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 11:37:33,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 11:37:33,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 11:37:33,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 11:37:33,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 11:37:33,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 11:37:33,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 11:37:33,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 11:37:33,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 11:37:33,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-07-20 11:37:33,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-07-20 11:37:33,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 11:37:33,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-20 11:37:33,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 11:37:33,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 11:37:33,679 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
[2020-07-20 11:37:33,693 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 11:37:33,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 11:37:33,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 11:37:33,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 11:37:33,695 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 11:37:33,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 11:37:33,696 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 11:37:33,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 11:37:33,696 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 11:37:33,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 11:37:33,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 11:37:33,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 11:37:33,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 11:37:33,697 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 11:37:33,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 11:37:33,697 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 11:37:33,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 11:37:33,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 11:37:33,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 11:37:33,698 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 11:37:33,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 11:37:33,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 11:37:33,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 11:37:33,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 11:37:33,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 11:37:33,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 11:37:33,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:33,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 11:37:33,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 11:37:33,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-20 11:37:34,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 11:37:34,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 11:37:34,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 11:37:34,040 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 11:37:34,040 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 11:37:34,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c
[2020-07-20 11:37:34,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c1174f7/adef62874877475dba76e6aa0e43fe47/FLAG2222d206c
[2020-07-20 11:37:34,716 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 11:37:34,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c
[2020-07-20 11:37:34,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c1174f7/adef62874877475dba76e6aa0e43fe47/FLAG2222d206c
[2020-07-20 11:37:34,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c1174f7/adef62874877475dba76e6aa0e43fe47
[2020-07-20 11:37:35,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 11:37:35,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 11:37:35,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 11:37:35,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 11:37:35,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 11:37:35,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:37:34" (1/1) ...
[2020-07-20 11:37:35,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4d1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35, skipping insertion in model container
[2020-07-20 11:37:35,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:37:34" (1/1) ...
[2020-07-20 11:37:35,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 11:37:35,092 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 11:37:35,633 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:37:35,641 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 11:37:35,761 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:37:35,777 INFO L208 MainTranslator]: Completed translation
[2020-07-20 11:37:35,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35 WrapperNode
[2020-07-20 11:37:35,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 11:37:35,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 11:37:35,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 11:37:35,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 11:37:35,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 11:37:35,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 11:37:35,913 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 11:37:35,913 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 11:37:35,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (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
[2020-07-20 11:37:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 11:37:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 11:37:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 11:37:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 11:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 11:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 11:37:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 11:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 11:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 11:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 11:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 11:37:37,378 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 11:37:37,379 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 11:37:37,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:37:37 BoogieIcfgContainer
[2020-07-20 11:37:37,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 11:37:37,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 11:37:37,387 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 11:37:37,390 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 11:37:37,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:37:34" (1/3) ...
[2020-07-20 11:37:37,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eea9ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:37:37, skipping insertion in model container
[2020-07-20 11:37:37,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (2/3) ...
[2020-07-20 11:37:37,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eea9ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:37:37, skipping insertion in model container
[2020-07-20 11:37:37,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:37:37" (3/3) ...
[2020-07-20 11:37:37,394 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c
[2020-07-20 11:37:37,405 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 11:37:37,413 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 11:37:37,428 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 11:37:37,454 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 11:37:37,455 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 11:37:37,455 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 11:37:37,455 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 11:37:37,455 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 11:37:37,456 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 11:37:37,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 11:37:37,456 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 11:37:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 11:37:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-07-20 11:37:37,488 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:37,490 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]
[2020-07-20 11:37:37,490 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:37,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:37,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1418549242, now seen corresponding path program 1 times
[2020-07-20 11:37:37,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:37,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634540812]
[2020-07-20 11:37:37,507 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:37,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:37:37,598 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:37,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:37,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634540812]
[2020-07-20 11:37:37,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:37,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:37,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030775179]
[2020-07-20 11:37:37,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:37,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:37,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:37,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:37,698 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 11:37:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:38,796 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions.
[2020-07-20 11:37:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 11:37:38,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2020-07-20 11:37:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:38,815 INFO L225 Difference]: With dead ends: 586
[2020-07-20 11:37:38,815 INFO L226 Difference]: Without dead ends: 294
[2020-07-20 11:37:38,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 11:37:38,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 11:37:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 11:37:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions.
[2020-07-20 11:37:38,902 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 35
[2020-07-20 11:37:38,903 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:38,903 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions.
[2020-07-20 11:37:38,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions.
[2020-07-20 11:37:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2020-07-20 11:37:38,909 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:38,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:39,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:39,125 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash -945859230, now seen corresponding path program 1 times
[2020-07-20 11:37:39,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:39,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383931851]
[2020-07-20 11:37:39,128 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:39,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:39,215 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:39,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:39,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383931851]
[2020-07-20 11:37:39,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:39,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:39,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639030069]
[2020-07-20 11:37:39,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:39,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:39,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:39,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:39,269 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states.
[2020-07-20 11:37:40,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:40,002 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions.
[2020-07-20 11:37:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 11:37:40,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105
[2020-07-20 11:37:40,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:40,009 INFO L225 Difference]: With dead ends: 868
[2020-07-20 11:37:40,009 INFO L226 Difference]: Without dead ends: 580
[2020-07-20 11:37:40,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:40,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states.
[2020-07-20 11:37:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580.
[2020-07-20 11:37:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states.
[2020-07-20 11:37:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions.
[2020-07-20 11:37:40,054 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 105
[2020-07-20 11:37:40,055 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:40,055 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions.
[2020-07-20 11:37:40,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions.
[2020-07-20 11:37:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2020-07-20 11:37:40,058 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:40,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:40,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:40,273 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:40,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:40,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1012541875, now seen corresponding path program 1 times
[2020-07-20 11:37:40,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:40,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303919445]
[2020-07-20 11:37:40,276 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:40,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:37:40,353 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:40,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:40,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303919445]
[2020-07-20 11:37:40,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:40,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:37:40,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325683703]
[2020-07-20 11:37:40,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:37:40,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:40,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:37:40,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:37:40,397 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 5 states.
[2020-07-20 11:37:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:41,401 INFO L93 Difference]: Finished difference Result 1470 states and 2115 transitions.
[2020-07-20 11:37:41,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-07-20 11:37:41,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116
[2020-07-20 11:37:41,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:41,417 INFO L225 Difference]: With dead ends: 1470
[2020-07-20 11:37:41,417 INFO L226 Difference]: Without dead ends: 896
[2020-07-20 11:37:41,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 11:37:41,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states.
[2020-07-20 11:37:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 886.
[2020-07-20 11:37:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states.
[2020-07-20 11:37:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1170 transitions.
[2020-07-20 11:37:41,480 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1170 transitions. Word has length 116
[2020-07-20 11:37:41,480 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:41,480 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1170 transitions.
[2020-07-20 11:37:41,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:37:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1170 transitions.
[2020-07-20 11:37:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2020-07-20 11:37:41,484 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:41,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:41,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:41,697 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:41,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:41,698 INFO L82 PathProgramCache]: Analyzing trace with hash -892446079, now seen corresponding path program 1 times
[2020-07-20 11:37:41,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:41,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847651454]
[2020-07-20 11:37:41,698 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:41,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:37:41,766 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:41,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:41,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847651454]
[2020-07-20 11:37:41,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:41,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:37:41,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442153363]
[2020-07-20 11:37:41,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:37:41,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:41,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:37:41,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:37:41,848 INFO L87 Difference]: Start difference. First operand 886 states and 1170 transitions. Second operand 5 states.
[2020-07-20 11:37:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:42,903 INFO L93 Difference]: Finished difference Result 2233 states and 3103 transitions.
[2020-07-20 11:37:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 11:37:42,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126
[2020-07-20 11:37:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:42,917 INFO L225 Difference]: With dead ends: 2233
[2020-07-20 11:37:42,917 INFO L226 Difference]: Without dead ends: 1353
[2020-07-20 11:37:42,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 11:37:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states.
[2020-07-20 11:37:42,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1327.
[2020-07-20 11:37:42,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1327 states.
[2020-07-20 11:37:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1744 transitions.
[2020-07-20 11:37:42,985 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1744 transitions. Word has length 126
[2020-07-20 11:37:42,987 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:42,987 INFO L479 AbstractCegarLoop]: Abstraction has 1327 states and 1744 transitions.
[2020-07-20 11:37:42,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:37:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1744 transitions.
[2020-07-20 11:37:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2020-07-20 11:37:43,002 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:43,002 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, 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]
[2020-07-20 11:37:43,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:43,217 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:43,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:43,218 INFO L82 PathProgramCache]: Analyzing trace with hash 839505174, now seen corresponding path program 1 times
[2020-07-20 11:37:43,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:43,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621392535]
[2020-07-20 11:37:43,220 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:43,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:43,307 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:43,373 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:37:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:43,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621392535]
[2020-07-20 11:37:43,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:37:43,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 11:37:43,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529545109]
[2020-07-20 11:37:43,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 11:37:43,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:43,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 11:37:43,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 11:37:43,535 INFO L87 Difference]: Start difference. First operand 1327 states and 1744 transitions. Second operand 7 states.
[2020-07-20 11:37:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:44,879 INFO L93 Difference]: Finished difference Result 3246 states and 4284 transitions.
[2020-07-20 11:37:44,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-07-20 11:37:44,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187
[2020-07-20 11:37:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:44,894 INFO L225 Difference]: With dead ends: 3246
[2020-07-20 11:37:44,894 INFO L226 Difference]: Without dead ends: 1925
[2020-07-20 11:37:44,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2020-07-20 11:37:44,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states.
[2020-07-20 11:37:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1921.
[2020-07-20 11:37:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1921 states.
[2020-07-20 11:37:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2361 transitions.
[2020-07-20 11:37:44,994 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2361 transitions. Word has length 187
[2020-07-20 11:37:44,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:44,995 INFO L479 AbstractCegarLoop]: Abstraction has 1921 states and 2361 transitions.
[2020-07-20 11:37:44,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 11:37:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2361 transitions.
[2020-07-20 11:37:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-07-20 11:37:44,999 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:44,999 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, 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]
[2020-07-20 11:37:45,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:45,215 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:45,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:45,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1794002142, now seen corresponding path program 1 times
[2020-07-20 11:37:45,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:45,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022289646]
[2020-07-20 11:37:45,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:45,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:45,321 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2020-07-20 11:37:45,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:45,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022289646]
[2020-07-20 11:37:45,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:45,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:45,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727121006]
[2020-07-20 11:37:45,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:45,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:45,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:45,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:45,366 INFO L87 Difference]: Start difference. First operand 1921 states and 2361 transitions. Second operand 3 states.
[2020-07-20 11:37:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:46,014 INFO L93 Difference]: Finished difference Result 3230 states and 3986 transitions.
[2020-07-20 11:37:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 11:37:46,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191
[2020-07-20 11:37:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:46,034 INFO L225 Difference]: With dead ends: 3230
[2020-07-20 11:37:46,034 INFO L226 Difference]: Without dead ends: 3228
[2020-07-20 11:37:46,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:46,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states.
[2020-07-20 11:37:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2219.
[2020-07-20 11:37:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2219 states.
[2020-07-20 11:37:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 2724 transitions.
[2020-07-20 11:37:46,110 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 2724 transitions. Word has length 191
[2020-07-20 11:37:46,111 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:46,111 INFO L479 AbstractCegarLoop]: Abstraction has 2219 states and 2724 transitions.
[2020-07-20 11:37:46,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2724 transitions.
[2020-07-20 11:37:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-07-20 11:37:46,115 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:46,116 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:46,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:46,331 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:46,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:46,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1119643437, now seen corresponding path program 1 times
[2020-07-20 11:37:46,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:46,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148627966]
[2020-07-20 11:37:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:46,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:46,457 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked.
[2020-07-20 11:37:46,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:46,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148627966]
[2020-07-20 11:37:46,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:46,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:46,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234536820]
[2020-07-20 11:37:46,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:46,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:46,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:46,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:46,495 INFO L87 Difference]: Start difference. First operand 2219 states and 2724 transitions. Second operand 3 states.
[2020-07-20 11:37:47,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:47,124 INFO L93 Difference]: Finished difference Result 4432 states and 5449 transitions.
[2020-07-20 11:37:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 11:37:47,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204
[2020-07-20 11:37:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:47,137 INFO L225 Difference]: With dead ends: 4432
[2020-07-20 11:37:47,138 INFO L226 Difference]: Without dead ends: 2219
[2020-07-20 11:37:47,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:47,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states.
[2020-07-20 11:37:47,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2074.
[2020-07-20 11:37:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states.
[2020-07-20 11:37:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2492 transitions.
[2020-07-20 11:37:47,200 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2492 transitions. Word has length 204
[2020-07-20 11:37:47,200 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:47,200 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 2492 transitions.
[2020-07-20 11:37:47,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2492 transitions.
[2020-07-20 11:37:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313
[2020-07-20 11:37:47,210 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:47,210 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:47,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:47,425 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:47,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:47,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1601268491, now seen corresponding path program 1 times
[2020-07-20 11:37:47,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:47,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277180856]
[2020-07-20 11:37:47,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:47,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:47,546 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 276 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2020-07-20 11:37:47,671 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:37:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 158 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2020-07-20 11:37:47,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277180856]
[2020-07-20 11:37:47,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:37:47,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 11:37:47,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705414034]
[2020-07-20 11:37:47,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 11:37:47,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:47,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 11:37:47,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 11:37:47,788 INFO L87 Difference]: Start difference. First operand 2074 states and 2492 transitions. Second operand 6 states.
[2020-07-20 11:37:48,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:48,893 INFO L93 Difference]: Finished difference Result 5346 states and 6558 transitions.
[2020-07-20 11:37:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 11:37:48,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 312
[2020-07-20 11:37:48,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:48,910 INFO L225 Difference]: With dead ends: 5346
[2020-07-20 11:37:48,910 INFO L226 Difference]: Without dead ends: 2110
[2020-07-20 11:37:48,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 620 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 11:37:48,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2110 states.
[2020-07-20 11:37:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2110 to 1192.
[2020-07-20 11:37:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states.
[2020-07-20 11:37:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1349 transitions.
[2020-07-20 11:37:48,967 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1349 transitions. Word has length 312
[2020-07-20 11:37:48,968 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:48,968 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1349 transitions.
[2020-07-20 11:37:48,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 11:37:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1349 transitions.
[2020-07-20 11:37:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349
[2020-07-20 11:37:48,976 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:48,976 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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]
[2020-07-20 11:37:49,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:49,193 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:49,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1000768387, now seen corresponding path program 1 times
[2020-07-20 11:37:49,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:49,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359081548]
[2020-07-20 11:37:49,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:49,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:49,307 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2020-07-20 11:37:49,482 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:37:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2020-07-20 11:37:49,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359081548]
[2020-07-20 11:37:49,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:37:49,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 11:37:49,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834026315]
[2020-07-20 11:37:49,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 11:37:49,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:49,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 11:37:49,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 11:37:49,818 INFO L87 Difference]: Start difference. First operand 1192 states and 1349 transitions. Second operand 7 states.
[2020-07-20 11:37:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:51,493 INFO L93 Difference]: Finished difference Result 3852 states and 4550 transitions.
[2020-07-20 11:37:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-07-20 11:37:51,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 348
[2020-07-20 11:37:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:51,511 INFO L225 Difference]: With dead ends: 3852
[2020-07-20 11:37:51,511 INFO L226 Difference]: Without dead ends: 2666
[2020-07-20 11:37:51,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 693 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110
[2020-07-20 11:37:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states.
[2020-07-20 11:37:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2646.
[2020-07-20 11:37:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states.
[2020-07-20 11:37:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3035 transitions.
[2020-07-20 11:37:51,580 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3035 transitions. Word has length 348
[2020-07-20 11:37:51,581 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:51,581 INFO L479 AbstractCegarLoop]: Abstraction has 2646 states and 3035 transitions.
[2020-07-20 11:37:51,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 11:37:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3035 transitions.
[2020-07-20 11:37:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401
[2020-07-20 11:37:51,593 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:37:51,594 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:51,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:51,809 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1469145691, now seen corresponding path program 1 times
[2020-07-20 11:37:51,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:51,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813771921]
[2020-07-20 11:37:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:51,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:51,942 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked.
[2020-07-20 11:37:52,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:52,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813771921]
[2020-07-20 11:37:52,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:52,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:52,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844610757]
[2020-07-20 11:37:52,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:52,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:52,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:52,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:52,097 INFO L87 Difference]: Start difference. First operand 2646 states and 3035 transitions. Second operand 3 states.
[2020-07-20 11:37:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:52,578 INFO L93 Difference]: Finished difference Result 2646 states and 3035 transitions.
[2020-07-20 11:37:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 11:37:52,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 400
[2020-07-20 11:37:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:52,580 INFO L225 Difference]: With dead ends: 2646
[2020-07-20 11:37:52,580 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 11:37:52,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:52,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 11:37:52,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 11:37:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 11:37:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 11:37:52,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400
[2020-07-20 11:37:52,593 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:52,593 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 11:37:52,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 11:37:52,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 11:37:52,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:52,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 11:37:53,269 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99
[2020-07-20 11:37:53,403 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99
[2020-07-20 11:37:54,158 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 48
[2020-07-20 11:37:54,651 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32
[2020-07-20 11:37:55,098 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32
[2020-07-20 11:37:55,102 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 11:37:55,103 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|))
[2020-07-20 11:37:55,103 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 11:37:55,103 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,103 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (<= ~a10~0 |old(~a10~0)|)) (.cse2 (<= |old(~a1~0)| ~a1~0)) (.cse6 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse5 .cse2 .cse6)) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse1 (not (<= 1 |old(~a10~0)|))) (.cse4 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 6)) .cse0) (or .cse1 .cse2 .cse3 .cse4) (or (not (<= 23 |old(~a1~0)|)) .cse3 .cse0) (or (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) .cse5 .cse2 .cse6) .cse4) (or (and .cse5 .cse2 .cse6 (<= 2 ~a10~0)) .cse3 (not (<= 2 |old(~a10~0)|))) (or .cse1 (and .cse5 .cse6) .cse3 .cse4) (or .cse1 (<= 1 ~a10~0) .cse4))))
[2020-07-20 11:37:55,120 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 9 ~a19~0) (<= 23 ~a1~0))
[2020-07-20 11:37:55,127 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 11:37:55,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))
[2020-07-20 11:37:55,127 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed.
[2020-07-20 11:37:55,128 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= 23 ~a1~0)) (and (<= 1 ~a10~0) .cse1) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= 2 ~a10~0)) (and (<= 9 ~a19~0) .cse1)))
[2020-07-20 11:37:55,128 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed.
[2020-07-20 11:37:55,128 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed.
[2020-07-20 11:37:55,128 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= 23 ~a1~0)) (and (<= 1 ~a10~0) .cse1) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= 2 ~a10~0)) (and (<= 9 ~a19~0) .cse1)))
[2020-07-20 11:37:55,128 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed.
[2020-07-20 11:37:55,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:37:55 BoogieIcfgContainer
[2020-07-20 11:37:55,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 11:37:55,159 INFO L168 Benchmark]: Toolchain (without parser) took 20145.74 ms. Allocated memory was 144.2 MB in the beginning and 534.2 MB in the end (delta: 390.1 MB). Free memory was 100.4 MB in the beginning and 341.0 MB in the end (delta: -240.6 MB). Peak memory consumption was 361.0 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,161 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 144.2 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.15 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.1 MB in the beginning and 170.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,162 INFO L168 Benchmark]: Boogie Preprocessor took 132.05 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,163 INFO L168 Benchmark]: RCFGBuilder took 1473.20 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.3 MB in the beginning and 180.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,168 INFO L168 Benchmark]: TraceAbstraction took 17765.04 ms. Allocated memory was 234.9 MB in the beginning and 534.2 MB in the end (delta: 299.4 MB). Free memory was 180.5 MB in the beginning and 341.0 MB in the end (delta: -160.5 MB). Peak memory consumption was 350.4 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32 ms. Allocated memory is still 144.2 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 769.15 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.1 MB in the beginning and 170.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 132.05 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1473.20 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.3 MB in the beginning and 180.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 17765.04 ms. Allocated memory was 234.9 MB in the beginning and 534.2 MB in the end (delta: 299.4 MB). Free memory was 180.5 MB in the beginning and 341.0 MB in the end (delta: -160.5 MB). Peak memory consumption was 350.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 91]: 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: 582]: Loop Invariant
Derived loop invariant: (((((((!(23 <= \old(a1)) || (a19 <= 9 && 23 <= a1)) || (1 <= a10 && a10 <= 2)) || a19 <= 6) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a19) <= 9)) || (a19 <= 9 && 2 <= a10)) || (9 <= a19 && a10 <= 2)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 790 SDtfs, 2848 SDslu, 264 SDs, 0 SdLazy, 5918 SolverSat, 1179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2886 GetRequests, 2841 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2646occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 2132 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 91 PreInvPairs, 143 NumberOfFragments, 277 HoareAnnotationTreeSize, 91 FomulaSimplifications, 9724 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6102 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2024 NumberOfCodeBlocks, 2024 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2858 ConstructedInterpolants, 0 QuantifiedInterpolants, 1519756 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3687 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 2232/2314 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...