/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c
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This is Ultimate 0.1.25-3af5e1f
[2020-09-04 13:39:02,917 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-04 13:39:02,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-04 13:39:02,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-04 13:39:02,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-04 13:39:02,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-04 13:39:02,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-09-04 13:39:03,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2020-09-04 13:39:03,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-04 13:39:03,098 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-04 13:39:03,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 13:39:03,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-04 13:39:03,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-04 13:39:03,101 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-04 13:39:03,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 13:39:03,101 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-04 13:39:03,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-04 13:39:03,102 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-04 13:39:03,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-04 13:39:03,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 13:39:03,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 13:39:03,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 13:39:03,103 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-04 13:39:03,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-04 13:39:03,103 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-04 13:39:03,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-04 13:39:03,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 13:39:03,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-04 13:39:03,104 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-04 13:39:03,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-04 13:39:03,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 13:39:03,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 13:39:03,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-04 13:39:03,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-04 13:39:03,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-04 13:39:03,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-04 13:39:03,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 13:39:03,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-04 13:39:03,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-04 13:39:03,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 13:39:03,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 13:39:03,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 13:39:03,632 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-04 13:39:03,633 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-04 13:39:03,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c
[2020-09-04 13:39:03,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06291f330/506e69b28752477180d71cc1df48b09a/FLAGe996ce8cc
[2020-09-04 13:39:04,411 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-04 13:39:04,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c
[2020-09-04 13:39:04,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06291f330/506e69b28752477180d71cc1df48b09a/FLAGe996ce8cc
[2020-09-04 13:39:04,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06291f330/506e69b28752477180d71cc1df48b09a
[2020-09-04 13:39:04,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 13:39:04,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 13:39:04,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 13:39:04,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 13:39:04,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 13:39:04,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:04" (1/1) ...
[2020-09-04 13:39:04,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e7c163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:04, skipping insertion in model container
[2020-09-04 13:39:04,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:04" (1/1) ...
[2020-09-04 13:39:04,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-04 13:39:04,733 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-04 13:39:05,188 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:39:05,199 INFO L203 MainTranslator]: Completed pre-run
[2020-09-04 13:39:05,509 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:39:05,542 INFO L208 MainTranslator]: Completed translation
[2020-09-04 13:39:05,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05 WrapperNode
[2020-09-04 13:39:05,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 13:39:05,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 13:39:05,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 13:39:05,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 13:39:05,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
[2020-09-04 13:39:05,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 13:39:05,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 13:39:05,679 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 13:39:05,679 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-04 13:39:05,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-04 13:39:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 13:39:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 13:39:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-09-04 13:39:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 13:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-09-04 13:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 13:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-04 13:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-09-04 13:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-04 13:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 13:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 13:39:07,108 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 13:39:07,108 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-04 13:39:07,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:07 BoogieIcfgContainer
[2020-09-04 13:39:07,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 13:39:07,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 13:39:07,129 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 13:39:07,133 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-04 13:39:07,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:39:04" (1/3) ...
[2020-09-04 13:39:07,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756f0caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:07, skipping insertion in model container
[2020-09-04 13:39:07,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:05" (2/3) ...
[2020-09-04 13:39:07,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756f0caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:07, skipping insertion in model container
[2020-09-04 13:39:07,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:07" (3/3) ...
[2020-09-04 13:39:07,141 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c
[2020-09-04 13:39:07,155 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-09-04 13:39:07,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-04 13:39:07,197 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-04 13:39:07,246 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-04 13:39:07,247 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-04 13:39:07,247 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-09-04 13:39:07,247 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 13:39:07,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 13:39:07,248 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-04 13:39:07,248 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 13:39:07,248 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 13:39:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states.
[2020-09-04 13:39:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-04 13:39:07,300 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:07,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:07,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:07,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:07,310 INFO L82 PathProgramCache]: Analyzing trace with hash 253834415, now seen corresponding path program 1 times
[2020-09-04 13:39:07,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:07,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917035842]
[2020-09-04 13:39:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:07,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917035842]
[2020-09-04 13:39:07,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:39:07,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-04 13:39:07,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662834362]
[2020-09-04 13:39:07,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-04 13:39:07,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:07,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-04 13:39:07,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-04 13:39:07,772 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states.
[2020-09-04 13:39:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:09,958 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions.
[2020-09-04 13:39:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-04 13:39:09,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48
[2020-09-04 13:39:09,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:10,000 INFO L225 Difference]: With dead ends: 730
[2020-09-04 13:39:10,001 INFO L226 Difference]: Without dead ends: 447
[2020-09-04 13:39:10,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:39:10,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states.
[2020-09-04 13:39:10,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441.
[2020-09-04 13:39:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states.
[2020-09-04 13:39:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions.
[2020-09-04 13:39:10,129 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 48
[2020-09-04 13:39:10,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:10,130 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions.
[2020-09-04 13:39:10,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-04 13:39:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions.
[2020-09-04 13:39:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2020-09-04 13:39:10,140 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:10,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:10,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 13:39:10,141 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:10,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1295505465, now seen corresponding path program 1 times
[2020-09-04 13:39:10,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:10,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587386944]
[2020-09-04 13:39:10,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:10,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:10,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587386944]
[2020-09-04 13:39:10,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:39:10,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-04 13:39:10,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345197160]
[2020-09-04 13:39:10,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-04 13:39:10,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:10,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-04 13:39:10,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:39:10,546 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states.
[2020-09-04 13:39:12,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:12,361 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions.
[2020-09-04 13:39:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-04 13:39:12,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121
[2020-09-04 13:39:12,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:12,367 INFO L225 Difference]: With dead ends: 1041
[2020-09-04 13:39:12,368 INFO L226 Difference]: Without dead ends: 606
[2020-09-04 13:39:12,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156
[2020-09-04 13:39:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states.
[2020-09-04 13:39:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592.
[2020-09-04 13:39:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states.
[2020-09-04 13:39:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions.
[2020-09-04 13:39:12,423 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 121
[2020-09-04 13:39:12,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:12,423 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions.
[2020-09-04 13:39:12,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-04 13:39:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions.
[2020-09-04 13:39:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2020-09-04 13:39:12,436 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:12,439 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:12,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-04 13:39:12,440 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:12,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1735493107, now seen corresponding path program 1 times
[2020-09-04 13:39:12,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:12,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380712443]
[2020-09-04 13:39:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:12,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:12,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380712443]
[2020-09-04 13:39:12,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657505925]
[2020-09-04 13:39:12,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:13,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:39:13,042 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:39:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:13,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:39:13,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9
[2020-09-04 13:39:13,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402742520]
[2020-09-04 13:39:13,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-04 13:39:13,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:13,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-04 13:39:13,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-09-04 13:39:13,143 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 3 states.
[2020-09-04 13:39:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:13,830 INFO L93 Difference]: Finished difference Result 1615 states and 2274 transitions.
[2020-09-04 13:39:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-04 13:39:13,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127
[2020-09-04 13:39:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:13,838 INFO L225 Difference]: With dead ends: 1615
[2020-09-04 13:39:13,839 INFO L226 Difference]: Without dead ends: 1029
[2020-09-04 13:39:13,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-09-04 13:39:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states.
[2020-09-04 13:39:13,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 886.
[2020-09-04 13:39:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states.
[2020-09-04 13:39:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1150 transitions.
[2020-09-04 13:39:13,897 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1150 transitions. Word has length 127
[2020-09-04 13:39:13,897 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:13,898 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1150 transitions.
[2020-09-04 13:39:13,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-04 13:39:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1150 transitions.
[2020-09-04 13:39:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2020-09-04 13:39:13,903 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:13,904 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:14,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2020-09-04 13:39:14,117 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:14,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:14,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1111475730, now seen corresponding path program 1 times
[2020-09-04 13:39:14,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:14,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705827269]
[2020-09-04 13:39:14,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:14,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:14,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705827269]
[2020-09-04 13:39:14,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:39:14,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-04 13:39:14,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595711382]
[2020-09-04 13:39:14,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-04 13:39:14,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:14,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-04 13:39:14,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:39:14,411 INFO L87 Difference]: Start difference. First operand 886 states and 1150 transitions. Second operand 8 states.
[2020-09-04 13:39:16,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:16,526 INFO L93 Difference]: Finished difference Result 2245 states and 2959 transitions.
[2020-09-04 13:39:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-04 13:39:16,530 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184
[2020-09-04 13:39:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:16,541 INFO L225 Difference]: With dead ends: 2245
[2020-09-04 13:39:16,542 INFO L226 Difference]: Without dead ends: 1365
[2020-09-04 13:39:16,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-04 13:39:16,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states.
[2020-09-04 13:39:16,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1057.
[2020-09-04 13:39:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states.
[2020-09-04 13:39:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1317 transitions.
[2020-09-04 13:39:16,608 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1317 transitions. Word has length 184
[2020-09-04 13:39:16,609 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:16,610 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1317 transitions.
[2020-09-04 13:39:16,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-04 13:39:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1317 transitions.
[2020-09-04 13:39:16,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2020-09-04 13:39:16,615 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:16,615 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:16,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-04 13:39:16,637 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash 16531789, now seen corresponding path program 1 times
[2020-09-04 13:39:16,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:16,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159030279]
[2020-09-04 13:39:16,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:16,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:16,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:16,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-09-04 13:39:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2020-09-04 13:39:17,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159030279]
[2020-09-04 13:39:17,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117642820]
[2020-09-04 13:39:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:17,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:39:17,172 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:39:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:17,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-09-04 13:39:17,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12
[2020-09-04 13:39:17,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371585372]
[2020-09-04 13:39:17,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-09-04 13:39:17,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:17,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-09-04 13:39:17,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2020-09-04 13:39:17,325 INFO L87 Difference]: Start difference. First operand 1057 states and 1317 transitions. Second operand 12 states.
[2020-09-04 13:39:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:22,681 INFO L93 Difference]: Finished difference Result 4899 states and 6453 transitions.
[2020-09-04 13:39:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2020-09-04 13:39:22,681 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208
[2020-09-04 13:39:22,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:22,706 INFO L225 Difference]: With dead ends: 4899
[2020-09-04 13:39:22,707 INFO L226 Difference]: Without dead ends: 3848
[2020-09-04 13:39:22,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=965, Unknown=0, NotChecked=0, Total=1190
[2020-09-04 13:39:22,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states.
[2020-09-04 13:39:22,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 2825.
[2020-09-04 13:39:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states.
[2020-09-04 13:39:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3421 transitions.
[2020-09-04 13:39:22,842 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3421 transitions. Word has length 208
[2020-09-04 13:39:22,843 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:22,843 INFO L479 AbstractCegarLoop]: Abstraction has 2825 states and 3421 transitions.
[2020-09-04 13:39:22,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-09-04 13:39:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3421 transitions.
[2020-09-04 13:39:22,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2020-09-04 13:39:22,850 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:22,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:23,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:23,072 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:23,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:23,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1444149127, now seen corresponding path program 1 times
[2020-09-04 13:39:23,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:23,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701387847]
[2020-09-04 13:39:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-04 13:39:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 82 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-04 13:39:23,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701387847]
[2020-09-04 13:39:23,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530941259]
[2020-09-04 13:39:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:23,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:39:23,632 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:39:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.
[2020-09-04 13:39:23,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:39:23,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8
[2020-09-04 13:39:23,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788975565]
[2020-09-04 13:39:23,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-04 13:39:23,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:23,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-04 13:39:23,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:39:23,742 INFO L87 Difference]: Start difference. First operand 2825 states and 3421 transitions. Second operand 3 states.
[2020-09-04 13:39:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:24,600 INFO L93 Difference]: Finished difference Result 6375 states and 7868 transitions.
[2020-09-04 13:39:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-04 13:39:24,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234
[2020-09-04 13:39:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:24,621 INFO L225 Difference]: With dead ends: 6375
[2020-09-04 13:39:24,621 INFO L226 Difference]: Without dead ends: 3699
[2020-09-04 13:39:24,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:39:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states.
[2020-09-04 13:39:24,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 3554.
[2020-09-04 13:39:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3554 states.
[2020-09-04 13:39:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 4281 transitions.
[2020-09-04 13:39:24,754 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 4281 transitions. Word has length 234
[2020-09-04 13:39:24,754 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:24,754 INFO L479 AbstractCegarLoop]: Abstraction has 3554 states and 4281 transitions.
[2020-09-04 13:39:24,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-04 13:39:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4281 transitions.
[2020-09-04 13:39:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2020-09-04 13:39:24,763 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:24,764 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:39:24,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:24,979 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2020149331, now seen corresponding path program 1 times
[2020-09-04 13:39:24,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:24,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293315845]
[2020-09-04 13:39:24,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:25,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:25,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-04 13:39:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 86 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-09-04 13:39:25,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293315845]
[2020-09-04 13:39:25,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978444206]
[2020-09-04 13:39:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:25,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:39:25,688 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:39:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:39:25,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-09-04 13:39:25,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13
[2020-09-04 13:39:25,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437280734]
[2020-09-04 13:39:25,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-09-04 13:39:25,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:25,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-09-04 13:39:25,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156
[2020-09-04 13:39:25,837 INFO L87 Difference]: Start difference. First operand 3554 states and 4281 transitions. Second operand 13 states.
[2020-09-04 13:39:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:32,502 INFO L93 Difference]: Finished difference Result 9721 states and 11825 transitions.
[2020-09-04 13:39:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2020-09-04 13:39:32,503 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268
[2020-09-04 13:39:32,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:32,520 INFO L225 Difference]: With dead ends: 9721
[2020-09-04 13:39:32,520 INFO L226 Difference]: Without dead ends: 4398
[2020-09-04 13:39:32,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406
[2020-09-04 13:39:32,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states.
[2020-09-04 13:39:32,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 3246.
[2020-09-04 13:39:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3246 states.
[2020-09-04 13:39:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 3783 transitions.
[2020-09-04 13:39:32,629 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 3783 transitions. Word has length 268
[2020-09-04 13:39:32,629 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:32,629 INFO L479 AbstractCegarLoop]: Abstraction has 3246 states and 3783 transitions.
[2020-09-04 13:39:32,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-09-04 13:39:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3783 transitions.
[2020-09-04 13:39:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305
[2020-09-04 13:39:32,639 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:39:32,639 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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]
[2020-09-04 13:39:32,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:32,853 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:39:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:39:32,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1994852443, now seen corresponding path program 1 times
[2020-09-04 13:39:32,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:39:32,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754022711]
[2020-09-04 13:39:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:39:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:33,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:39:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:33,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:39:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2020-09-04 13:39:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2020-09-04 13:39:33,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754022711]
[2020-09-04 13:39:33,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387618494]
[2020-09-04 13:39:33,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:39:33,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:39:33,362 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:39:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2020-09-04 13:39:33,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:39:33,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2020-09-04 13:39:33,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425192422]
[2020-09-04 13:39:33,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-04 13:39:33,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:39:33,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-04 13:39:33,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-04 13:39:33,480 INFO L87 Difference]: Start difference. First operand 3246 states and 3783 transitions. Second operand 3 states.
[2020-09-04 13:39:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:39:34,199 INFO L93 Difference]: Finished difference Result 6772 states and 7952 transitions.
[2020-09-04 13:39:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-04 13:39:34,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 304
[2020-09-04 13:39:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:39:34,201 INFO L225 Difference]: With dead ends: 6772
[2020-09-04 13:39:34,201 INFO L226 Difference]: Without dead ends: 0
[2020-09-04 13:39:34,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-04 13:39:34,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-04 13:39:34,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-04 13:39:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-04 13:39:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-04 13:39:34,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304
[2020-09-04 13:39:34,214 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:39:34,215 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-04 13:39:34,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-04 13:39:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-04 13:39:34,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-04 13:39:34,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:39:34,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-04 13:39:36,063 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 117
[2020-09-04 13:39:36,360 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 117
[2020-09-04 13:39:37,586 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 229 DAG size of output: 58
[2020-09-04 13:39:38,028 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43
[2020-09-04 13:39:38,427 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43
[2020-09-04 13:39:38,431 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-04 13:39:38,432 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))
[2020-09-04 13:39:38,432 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-04 13:39:38,432 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,432 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,432 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,433 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,433 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,433 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,433 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,433 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,434 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,434 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed.
[2020-09-04 13:39:38,434 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed.
[2020-09-04 13:39:38,434 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-09-04 13:39:38,434 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,435 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-09-04 13:39:38,436 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,437 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,438 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,439 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,440 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-09-04 13:39:38,441 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,442 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,443 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-09-04 13:39:38,444 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,445 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,446 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,447 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,448 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,449 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0))) (.cse6 (= |old(~a10~0)| 1)) (.cse7 (= 8 |old(~a19~0)|)) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse8 (not (<= |old(~a19~0)| 8))) (.cse0 (and .cse4 (= ~a19~0 |old(~a19~0)|) .cse5))) (and (or .cse0 .cse1 .cse2 (not (< 218 |old(~a1~0)|)) .cse3) (or (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse4 .cse5) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23))) (or .cse0 .cse6 .cse2 .cse1 .cse7 .cse3) (or .cse8 .cse0 .cse6 .cse2 .cse7) (or .cse0 (not (<= |old(~a10~0)| 1))) (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse2) (or .cse8 .cse0 (not (<= |old(~a10~0)| 2))))))
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,450 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed.
[2020-09-04 13:39:38,451 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,452 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-09-04 13:39:38,453 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,454 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed.
[2020-09-04 13:39:38,455 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed.
[2020-09-04 13:39:38,456 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-09-04 13:39:38,456 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-09-04 13:39:38,456 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,456 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,456 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed.
[2020-09-04 13:39:38,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-04 13:39:38,457 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23))
[2020-09-04 13:39:38,457 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-04 13:39:38,457 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-04 13:39:38,457 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)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0)))
[2020-09-04 13:39:38,457 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed.
[2020-09-04 13:39:38,457 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 2) .cse0) (not (<= |old(~a10~0)| 0)) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (< 218 ~a1~0) .cse0) (<= ~a10~0 1) (and (<= 4 ~a10~0) .cse0) (not (= ~a12~0 0))))
[2020-09-04 13:39:38,458 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed.
[2020-09-04 13:39:38,458 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed.
[2020-09-04 13:39:38,458 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 2) .cse0) (not (<= |old(~a10~0)| 0)) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (< 218 ~a1~0) .cse0) (<= ~a10~0 1) (and (<= 4 ~a10~0) .cse0) (not (= ~a12~0 0))))
[2020-09-04 13:39:38,458 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed.
[2020-09-04 13:39:38,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:39:38 BoogieIcfgContainer
[2020-09-04 13:39:38,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-04 13:39:38,487 INFO L168 Benchmark]: Toolchain (without parser) took 33854.31 ms. Allocated memory was 142.6 MB in the beginning and 536.9 MB in the end (delta: 394.3 MB). Free memory was 103.0 MB in the beginning and 245.6 MB in the end (delta: -142.6 MB). Peak memory consumption was 413.7 MB. Max. memory is 7.1 GB.
[2020-09-04 13:39:38,488 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 142.6 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-04 13:39:38,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 908.98 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 172.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB.
[2020-09-04 13:39:38,490 INFO L168 Benchmark]: Boogie Preprocessor took 134.07 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2020-09-04 13:39:38,491 INFO L168 Benchmark]: RCFGBuilder took 1447.80 ms. Allocated memory was 206.0 MB in the beginning and 233.8 MB in the end (delta: 27.8 MB). Free memory was 167.8 MB in the beginning and 172.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB.
[2020-09-04 13:39:38,492 INFO L168 Benchmark]: TraceAbstraction took 31357.06 ms. Allocated memory was 233.8 MB in the beginning and 536.9 MB in the end (delta: 303.0 MB). Free memory was 172.3 MB in the beginning and 245.6 MB in the end (delta: -73.3 MB). Peak memory consumption was 391.8 MB. Max. memory is 7.1 GB.
[2020-09-04 13:39:38,496 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.62 ms. Allocated memory is still 142.6 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 908.98 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 172.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 134.07 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1447.80 ms. Allocated memory was 206.0 MB in the beginning and 233.8 MB in the end (delta: 27.8 MB). Free memory was 167.8 MB in the beginning and 172.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 31357.06 ms. Allocated memory was 233.8 MB in the beginning and 536.9 MB in the end (delta: 303.0 MB). Free memory was 172.3 MB in the beginning and 245.6 MB in the end (delta: -73.3 MB). Peak memory consumption was 391.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 130]: 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)) || (a10 <= 2 && a19 <= 9)) || !(\old(a10) <= 0)) || (!(a19 == 8) && a19 <= 9)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || (218 < a1 && a19 <= 9)) || a10 <= 1) || (4 <= a10 && a19 <= 9)) || !(a12 == 0)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.1s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 655 SDtfs, 4947 SDslu, 449 SDs, 0 SdLazy, 11134 SolverSat, 1995 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1297 GetRequests, 1180 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3554occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 2791 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 129 PreInvPairs, 209 NumberOfFragments, 378 HoareAnnotationTreeSize, 129 FomulaSimplifications, 31843 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6598 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2635 NumberOfCodeBlocks, 2635 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2622 ConstructedInterpolants, 0 QuantifiedInterpolants, 1295816 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1976 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1344/1528 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...