/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:36:05,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:36:05,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:36:05,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 22:36:05,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 22:36:05,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 22:36:06,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 22:36:06,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 22:36:06,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 22:36:06,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 22:36:06,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 22:36:06,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 22:36:06,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:36:06,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:36:06,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:36:06,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:36:06,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:36:06,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:36:06,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:36:06,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:36:06,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:36:06,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:36:06,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:36:06,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:36:06,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 22:36:06,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 22:36:06,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 22:36:06,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 22:36:06,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 22:36:06,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 22:36:06,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 22:36:06,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 22:36:06,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 22:36:06,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 22:36:06,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 22:36:06,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 22:36:06,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 22:36:06,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:36:06,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:36:06,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:36:06,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:36:06,047 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:36:06,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:36:06,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:36:06,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:36:06,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:36:06,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:36:06,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:36:06,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:36:06,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:36:06,049 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:36:06,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:36:06,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:36:06,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:36:06,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:36:06,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:36:06,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:36:06,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:36:06,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:36:06,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:36:06,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:36:06,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:36:06,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:36:06,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:36:06,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:36:06,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:36:06,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:36:06,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:36:06,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:36:06,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:36:06,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:36:06,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:36:06,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-23 22:36:06,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700b2dffa/816ac7e0a8034578bb29a8f2b1b42095/FLAG543470f13 [2019-11-23 22:36:06,946 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:36:06,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-23 22:36:06,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700b2dffa/816ac7e0a8034578bb29a8f2b1b42095/FLAG543470f13 [2019-11-23 22:36:07,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700b2dffa/816ac7e0a8034578bb29a8f2b1b42095 [2019-11-23 22:36:07,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:36:07,281 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:36:07,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:36:07,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:36:07,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:36:07,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:07,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a614c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07, skipping insertion in model container [2019-11-23 22:36:07,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:07,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:36:07,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:36:07,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:36:07,778 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:36:07,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:36:07,899 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:36:07,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07 WrapperNode [2019-11-23 22:36:07,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:36:07,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:36:07,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:36:07,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:36:07,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:07,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:07,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:36:07,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:36:07,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:36:07,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:36:07,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:07,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:08,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:08,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:08,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:08,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:08,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... [2019-11-23 22:36:08,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:36:08,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:36:08,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:36:08,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:36:08,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:36:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:36:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:36:09,274 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:36:09,274 INFO L284 CfgBuilder]: Removed 119 assume(true) statements. [2019-11-23 22:36:09,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:09 BoogieIcfgContainer [2019-11-23 22:36:09,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:36:09,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:36:09,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:36:09,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:36:09,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:36:07" (1/3) ... [2019-11-23 22:36:09,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd1183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:09, skipping insertion in model container [2019-11-23 22:36:09,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:07" (2/3) ... [2019-11-23 22:36:09,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd1183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:09, skipping insertion in model container [2019-11-23 22:36:09,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:09" (3/3) ... [2019-11-23 22:36:09,284 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-23 22:36:09,293 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:36:09,300 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2019-11-23 22:36:09,312 INFO L249 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2019-11-23 22:36:09,337 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:36:09,337 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:36:09,337 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:36:09,338 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:36:09,338 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:36:09,338 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:36:09,338 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:36:09,339 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:36:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2019-11-23 22:36:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-23 22:36:09,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:09,375 INFO L410 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] [2019-11-23 22:36:09,376 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:09,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:09,382 INFO L82 PathProgramCache]: Analyzing trace with hash 211735483, now seen corresponding path program 1 times [2019-11-23 22:36:09,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:09,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612685383] [2019-11-23 22:36:09,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:09,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612685383] [2019-11-23 22:36:09,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:09,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:09,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51133103] [2019-11-23 22:36:09,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:09,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:09,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:09,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:09,621 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2019-11-23 22:36:09,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:09,721 INFO L93 Difference]: Finished difference Result 566 states and 887 transitions. [2019-11-23 22:36:09,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:09,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-11-23 22:36:09,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:09,749 INFO L225 Difference]: With dead ends: 566 [2019-11-23 22:36:09,750 INFO L226 Difference]: Without dead ends: 288 [2019-11-23 22:36:09,764 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-11-23 22:36:09,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2019-11-23 22:36:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2019-11-23 22:36:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 412 transitions. [2019-11-23 22:36:09,859 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 412 transitions. Word has length 31 [2019-11-23 22:36:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:09,860 INFO L462 AbstractCegarLoop]: Abstraction has 288 states and 412 transitions. [2019-11-23 22:36:09,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 412 transitions. [2019-11-23 22:36:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-23 22:36:09,861 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:09,862 INFO L410 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] [2019-11-23 22:36:09,862 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:09,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:09,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1187444686, now seen corresponding path program 1 times [2019-11-23 22:36:09,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:09,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946131513] [2019-11-23 22:36:09,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:10,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946131513] [2019-11-23 22:36:10,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:10,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:10,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856227047] [2019-11-23 22:36:10,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:10,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:10,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:10,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:10,051 INFO L87 Difference]: Start difference. First operand 288 states and 412 transitions. Second operand 3 states. [2019-11-23 22:36:10,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:10,133 INFO L93 Difference]: Finished difference Result 594 states and 858 transitions. [2019-11-23 22:36:10,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:10,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-11-23 22:36:10,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:10,137 INFO L225 Difference]: With dead ends: 594 [2019-11-23 22:36:10,137 INFO L226 Difference]: Without dead ends: 321 [2019-11-23 22:36:10,139 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:10,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-11-23 22:36:10,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 264. [2019-11-23 22:36:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-23 22:36:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 376 transitions. [2019-11-23 22:36:10,160 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 376 transitions. Word has length 42 [2019-11-23 22:36:10,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:10,161 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 376 transitions. [2019-11-23 22:36:10,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 376 transitions. [2019-11-23 22:36:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-23 22:36:10,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:10,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:10,163 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:10,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:10,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1273755287, now seen corresponding path program 1 times [2019-11-23 22:36:10,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:10,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437122351] [2019-11-23 22:36:10,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:10,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437122351] [2019-11-23 22:36:10,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:10,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:10,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146485202] [2019-11-23 22:36:10,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:10,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:10,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:10,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:10,264 INFO L87 Difference]: Start difference. First operand 264 states and 376 transitions. Second operand 3 states. [2019-11-23 22:36:10,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:10,314 INFO L93 Difference]: Finished difference Result 739 states and 1063 transitions. [2019-11-23 22:36:10,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:10,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-11-23 22:36:10,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:10,319 INFO L225 Difference]: With dead ends: 739 [2019-11-23 22:36:10,319 INFO L226 Difference]: Without dead ends: 490 [2019-11-23 22:36:10,320 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-23 22:36:10,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 299. [2019-11-23 22:36:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-11-23 22:36:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 428 transitions. [2019-11-23 22:36:10,359 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 428 transitions. Word has length 49 [2019-11-23 22:36:10,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:10,360 INFO L462 AbstractCegarLoop]: Abstraction has 299 states and 428 transitions. [2019-11-23 22:36:10,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 428 transitions. [2019-11-23 22:36:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-23 22:36:10,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:10,365 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:10,366 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:10,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1910840580, now seen corresponding path program 1 times [2019-11-23 22:36:10,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:10,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935463614] [2019-11-23 22:36:10,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:10,510 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935463614] [2019-11-23 22:36:10,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:10,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 22:36:10,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158641155] [2019-11-23 22:36:10,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:36:10,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:10,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:36:10,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:10,512 INFO L87 Difference]: Start difference. First operand 299 states and 428 transitions. Second operand 5 states. [2019-11-23 22:36:10,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:10,823 INFO L93 Difference]: Finished difference Result 939 states and 1357 transitions. [2019-11-23 22:36:10,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 22:36:10,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-11-23 22:36:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:10,829 INFO L225 Difference]: With dead ends: 939 [2019-11-23 22:36:10,830 INFO L226 Difference]: Without dead ends: 655 [2019-11-23 22:36:10,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-23 22:36:10,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2019-11-23 22:36:10,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 385. [2019-11-23 22:36:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-11-23 22:36:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 551 transitions. [2019-11-23 22:36:10,854 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 551 transitions. Word has length 50 [2019-11-23 22:36:10,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:10,856 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 551 transitions. [2019-11-23 22:36:10,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:36:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 551 transitions. [2019-11-23 22:36:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-23 22:36:10,865 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:10,865 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:10,865 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:10,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:10,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1041102253, now seen corresponding path program 1 times [2019-11-23 22:36:10,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:10,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352183493] [2019-11-23 22:36:10,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:11,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352183493] [2019-11-23 22:36:11,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:11,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 22:36:11,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459804893] [2019-11-23 22:36:11,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:36:11,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:11,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:36:11,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:11,018 INFO L87 Difference]: Start difference. First operand 385 states and 551 transitions. Second operand 5 states. [2019-11-23 22:36:11,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:11,266 INFO L93 Difference]: Finished difference Result 941 states and 1357 transitions. [2019-11-23 22:36:11,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 22:36:11,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-23 22:36:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:11,270 INFO L225 Difference]: With dead ends: 941 [2019-11-23 22:36:11,270 INFO L226 Difference]: Without dead ends: 657 [2019-11-23 22:36:11,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-23 22:36:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-11-23 22:36:11,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 389. [2019-11-23 22:36:11,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-11-23 22:36:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 555 transitions. [2019-11-23 22:36:11,291 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 555 transitions. Word has length 51 [2019-11-23 22:36:11,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:11,291 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 555 transitions. [2019-11-23 22:36:11,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:36:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 555 transitions. [2019-11-23 22:36:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-23 22:36:11,292 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:11,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:11,293 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:11,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash -458607163, now seen corresponding path program 1 times [2019-11-23 22:36:11,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:11,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596938675] [2019-11-23 22:36:11,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:11,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596938675] [2019-11-23 22:36:11,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:11,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 22:36:11,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144933552] [2019-11-23 22:36:11,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 22:36:11,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:11,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 22:36:11,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 22:36:11,411 INFO L87 Difference]: Start difference. First operand 389 states and 555 transitions. Second operand 4 states. [2019-11-23 22:36:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:11,649 INFO L93 Difference]: Finished difference Result 941 states and 1353 transitions. [2019-11-23 22:36:11,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:36:11,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2019-11-23 22:36:11,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:11,653 INFO L225 Difference]: With dead ends: 941 [2019-11-23 22:36:11,653 INFO L226 Difference]: Without dead ends: 657 [2019-11-23 22:36:11,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:11,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-11-23 22:36:11,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 389. [2019-11-23 22:36:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-11-23 22:36:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 553 transitions. [2019-11-23 22:36:11,674 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 553 transitions. Word has length 53 [2019-11-23 22:36:11,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:11,674 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 553 transitions. [2019-11-23 22:36:11,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 22:36:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 553 transitions. [2019-11-23 22:36:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-23 22:36:11,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:11,675 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:11,676 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:11,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:11,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1789775306, now seen corresponding path program 1 times [2019-11-23 22:36:11,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:11,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694902943] [2019-11-23 22:36:11,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:11,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694902943] [2019-11-23 22:36:11,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:11,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 22:36:11,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847229936] [2019-11-23 22:36:11,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:36:11,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:11,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:36:11,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:11,841 INFO L87 Difference]: Start difference. First operand 389 states and 553 transitions. Second operand 5 states. [2019-11-23 22:36:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:11,903 INFO L93 Difference]: Finished difference Result 773 states and 1114 transitions. [2019-11-23 22:36:11,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 22:36:11,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-11-23 22:36:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:11,907 INFO L225 Difference]: With dead ends: 773 [2019-11-23 22:36:11,907 INFO L226 Difference]: Without dead ends: 489 [2019-11-23 22:36:11,908 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:36:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2019-11-23 22:36:11,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 384. [2019-11-23 22:36:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-11-23 22:36:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 545 transitions. [2019-11-23 22:36:11,928 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 545 transitions. Word has length 54 [2019-11-23 22:36:11,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:11,928 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 545 transitions. [2019-11-23 22:36:11,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:36:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 545 transitions. [2019-11-23 22:36:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-23 22:36:11,929 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:11,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:11,930 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:11,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:11,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1630366882, now seen corresponding path program 1 times [2019-11-23 22:36:11,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:11,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080176649] [2019-11-23 22:36:11,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:12,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080176649] [2019-11-23 22:36:12,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:12,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 22:36:12,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750869709] [2019-11-23 22:36:12,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:36:12,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:12,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:36:12,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:12,049 INFO L87 Difference]: Start difference. First operand 384 states and 545 transitions. Second operand 5 states. [2019-11-23 22:36:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:12,168 INFO L93 Difference]: Finished difference Result 804 states and 1163 transitions. [2019-11-23 22:36:12,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:36:12,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-23 22:36:12,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:12,172 INFO L225 Difference]: With dead ends: 804 [2019-11-23 22:36:12,172 INFO L226 Difference]: Without dead ends: 525 [2019-11-23 22:36:12,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-23 22:36:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2019-11-23 22:36:12,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 354. [2019-11-23 22:36:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-11-23 22:36:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 499 transitions. [2019-11-23 22:36:12,194 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 499 transitions. Word has length 58 [2019-11-23 22:36:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:12,195 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 499 transitions. [2019-11-23 22:36:12,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:36:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 499 transitions. [2019-11-23 22:36:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-23 22:36:12,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:12,196 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:12,197 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:12,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:12,200 INFO L82 PathProgramCache]: Analyzing trace with hash 644191382, now seen corresponding path program 1 times [2019-11-23 22:36:12,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:12,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680792090] [2019-11-23 22:36:12,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:12,371 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680792090] [2019-11-23 22:36:12,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:12,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 22:36:12,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21899780] [2019-11-23 22:36:12,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:36:12,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:12,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:36:12,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:12,373 INFO L87 Difference]: Start difference. First operand 354 states and 499 transitions. Second operand 5 states. [2019-11-23 22:36:12,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:12,498 INFO L93 Difference]: Finished difference Result 900 states and 1292 transitions. [2019-11-23 22:36:12,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:36:12,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-11-23 22:36:12,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:12,502 INFO L225 Difference]: With dead ends: 900 [2019-11-23 22:36:12,502 INFO L226 Difference]: Without dead ends: 651 [2019-11-23 22:36:12,503 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-23 22:36:12,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2019-11-23 22:36:12,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 324. [2019-11-23 22:36:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-11-23 22:36:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 453 transitions. [2019-11-23 22:36:12,524 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 453 transitions. Word has length 63 [2019-11-23 22:36:12,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:12,524 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 453 transitions. [2019-11-23 22:36:12,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:36:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 453 transitions. [2019-11-23 22:36:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-23 22:36:12,525 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:12,526 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:12,526 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:12,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:12,526 INFO L82 PathProgramCache]: Analyzing trace with hash 157991886, now seen corresponding path program 1 times [2019-11-23 22:36:12,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:12,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913025386] [2019-11-23 22:36:12,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:12,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913025386] [2019-11-23 22:36:12,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:12,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 22:36:12,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136487890] [2019-11-23 22:36:12,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:36:12,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:12,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:36:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:36:12,672 INFO L87 Difference]: Start difference. First operand 324 states and 453 transitions. Second operand 6 states. [2019-11-23 22:36:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:12,902 INFO L93 Difference]: Finished difference Result 1098 states and 1557 transitions. [2019-11-23 22:36:12,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-23 22:36:12,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-11-23 22:36:12,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:12,907 INFO L225 Difference]: With dead ends: 1098 [2019-11-23 22:36:12,908 INFO L226 Difference]: Without dead ends: 879 [2019-11-23 22:36:12,908 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-23 22:36:12,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2019-11-23 22:36:12,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 363. [2019-11-23 22:36:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-11-23 22:36:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 507 transitions. [2019-11-23 22:36:12,937 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 507 transitions. Word has length 68 [2019-11-23 22:36:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:12,941 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 507 transitions. [2019-11-23 22:36:12,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:36:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 507 transitions. [2019-11-23 22:36:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-23 22:36:12,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:12,947 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:12,947 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:12,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:12,948 INFO L82 PathProgramCache]: Analyzing trace with hash -2134355609, now seen corresponding path program 1 times [2019-11-23 22:36:12,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:12,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206373958] [2019-11-23 22:36:12,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:13,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206373958] [2019-11-23 22:36:13,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:13,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:13,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901806641] [2019-11-23 22:36:13,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:13,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:13,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:13,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:13,041 INFO L87 Difference]: Start difference. First operand 363 states and 507 transitions. Second operand 3 states. [2019-11-23 22:36:13,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:13,098 INFO L93 Difference]: Finished difference Result 659 states and 932 transitions. [2019-11-23 22:36:13,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:13,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-11-23 22:36:13,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:13,102 INFO L225 Difference]: With dead ends: 659 [2019-11-23 22:36:13,102 INFO L226 Difference]: Without dead ends: 440 [2019-11-23 22:36:13,103 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:13,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-11-23 22:36:13,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 359. [2019-11-23 22:36:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-23 22:36:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 500 transitions. [2019-11-23 22:36:13,157 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 500 transitions. Word has length 69 [2019-11-23 22:36:13,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:13,157 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 500 transitions. [2019-11-23 22:36:13,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 500 transitions. [2019-11-23 22:36:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-23 22:36:13,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:13,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:13,160 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:13,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:13,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1585943340, now seen corresponding path program 1 times [2019-11-23 22:36:13,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:13,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960253852] [2019-11-23 22:36:13,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:13,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960253852] [2019-11-23 22:36:13,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:13,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 22:36:13,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324088495] [2019-11-23 22:36:13,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 22:36:13,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:13,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 22:36:13,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 22:36:13,265 INFO L87 Difference]: Start difference. First operand 359 states and 500 transitions. Second operand 4 states. [2019-11-23 22:36:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:13,444 INFO L93 Difference]: Finished difference Result 949 states and 1326 transitions. [2019-11-23 22:36:13,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:36:13,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2019-11-23 22:36:13,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:13,449 INFO L225 Difference]: With dead ends: 949 [2019-11-23 22:36:13,449 INFO L226 Difference]: Without dead ends: 724 [2019-11-23 22:36:13,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2019-11-23 22:36:13,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 529. [2019-11-23 22:36:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-11-23 22:36:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 733 transitions. [2019-11-23 22:36:13,507 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 733 transitions. Word has length 72 [2019-11-23 22:36:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:13,508 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 733 transitions. [2019-11-23 22:36:13,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 22:36:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 733 transitions. [2019-11-23 22:36:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-23 22:36:13,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:13,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:13,511 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:13,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:13,511 INFO L82 PathProgramCache]: Analyzing trace with hash -2083950892, now seen corresponding path program 1 times [2019-11-23 22:36:13,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:13,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377945367] [2019-11-23 22:36:13,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:13,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:13,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377945367] [2019-11-23 22:36:13,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:13,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:13,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011783428] [2019-11-23 22:36:13,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:13,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:13,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:13,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:13,616 INFO L87 Difference]: Start difference. First operand 529 states and 733 transitions. Second operand 3 states. [2019-11-23 22:36:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:13,661 INFO L93 Difference]: Finished difference Result 907 states and 1262 transitions. [2019-11-23 22:36:13,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:13,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-11-23 22:36:13,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:13,664 INFO L225 Difference]: With dead ends: 907 [2019-11-23 22:36:13,665 INFO L226 Difference]: Without dead ends: 529 [2019-11-23 22:36:13,665 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:13,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-11-23 22:36:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2019-11-23 22:36:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-11-23 22:36:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 729 transitions. [2019-11-23 22:36:13,705 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 729 transitions. Word has length 72 [2019-11-23 22:36:13,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:13,705 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 729 transitions. [2019-11-23 22:36:13,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 729 transitions. [2019-11-23 22:36:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-23 22:36:13,707 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:13,707 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:13,707 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:13,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:13,708 INFO L82 PathProgramCache]: Analyzing trace with hash 2070467794, now seen corresponding path program 1 times [2019-11-23 22:36:13,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:13,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804847877] [2019-11-23 22:36:13,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:13,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804847877] [2019-11-23 22:36:13,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:13,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:13,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066172467] [2019-11-23 22:36:13,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:13,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:13,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:13,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:13,776 INFO L87 Difference]: Start difference. First operand 529 states and 729 transitions. Second operand 3 states. [2019-11-23 22:36:13,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:13,845 INFO L93 Difference]: Finished difference Result 1250 states and 1717 transitions. [2019-11-23 22:36:13,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:13,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-11-23 22:36:13,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:13,850 INFO L225 Difference]: With dead ends: 1250 [2019-11-23 22:36:13,850 INFO L226 Difference]: Without dead ends: 835 [2019-11-23 22:36:13,852 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2019-11-23 22:36:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 563. [2019-11-23 22:36:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2019-11-23 22:36:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 773 transitions. [2019-11-23 22:36:13,922 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 773 transitions. Word has length 72 [2019-11-23 22:36:13,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:13,923 INFO L462 AbstractCegarLoop]: Abstraction has 563 states and 773 transitions. [2019-11-23 22:36:13,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 773 transitions. [2019-11-23 22:36:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-23 22:36:13,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:13,924 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:13,925 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:13,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1917205063, now seen corresponding path program 1 times [2019-11-23 22:36:13,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:13,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363599691] [2019-11-23 22:36:13,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:14,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363599691] [2019-11-23 22:36:14,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:14,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 22:36:14,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028026024] [2019-11-23 22:36:14,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:36:14,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:14,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:36:14,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:36:14,077 INFO L87 Difference]: Start difference. First operand 563 states and 773 transitions. Second operand 6 states. [2019-11-23 22:36:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:14,453 INFO L93 Difference]: Finished difference Result 1763 states and 2476 transitions. [2019-11-23 22:36:14,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-23 22:36:14,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-11-23 22:36:14,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:14,460 INFO L225 Difference]: With dead ends: 1763 [2019-11-23 22:36:14,461 INFO L226 Difference]: Without dead ends: 1430 [2019-11-23 22:36:14,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-23 22:36:14,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2019-11-23 22:36:14,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 567. [2019-11-23 22:36:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2019-11-23 22:36:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 778 transitions. [2019-11-23 22:36:14,517 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 778 transitions. Word has length 73 [2019-11-23 22:36:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:14,518 INFO L462 AbstractCegarLoop]: Abstraction has 567 states and 778 transitions. [2019-11-23 22:36:14,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:36:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 778 transitions. [2019-11-23 22:36:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-23 22:36:14,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:14,519 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:14,519 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash 197100160, now seen corresponding path program 1 times [2019-11-23 22:36:14,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:14,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645078966] [2019-11-23 22:36:14,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:14,625 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645078966] [2019-11-23 22:36:14,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:14,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 22:36:14,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205280826] [2019-11-23 22:36:14,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:36:14,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:14,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:36:14,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:36:14,628 INFO L87 Difference]: Start difference. First operand 567 states and 778 transitions. Second operand 5 states. [2019-11-23 22:36:14,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:14,790 INFO L93 Difference]: Finished difference Result 886 states and 1237 transitions. [2019-11-23 22:36:14,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 22:36:14,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-23 22:36:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:14,795 INFO L225 Difference]: With dead ends: 886 [2019-11-23 22:36:14,795 INFO L226 Difference]: Without dead ends: 884 [2019-11-23 22:36:14,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-23 22:36:14,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2019-11-23 22:36:14,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 569. [2019-11-23 22:36:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2019-11-23 22:36:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 780 transitions. [2019-11-23 22:36:14,871 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 780 transitions. Word has length 73 [2019-11-23 22:36:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:14,872 INFO L462 AbstractCegarLoop]: Abstraction has 569 states and 780 transitions. [2019-11-23 22:36:14,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:36:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 780 transitions. [2019-11-23 22:36:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-23 22:36:14,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:14,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:14,874 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2083582807, now seen corresponding path program 1 times [2019-11-23 22:36:14,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:14,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520260960] [2019-11-23 22:36:14,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:14,997 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520260960] [2019-11-23 22:36:14,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:14,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 22:36:14,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288642012] [2019-11-23 22:36:14,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:36:14,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:14,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:36:14,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:36:14,998 INFO L87 Difference]: Start difference. First operand 569 states and 780 transitions. Second operand 6 states. [2019-11-23 22:36:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:15,469 INFO L93 Difference]: Finished difference Result 2030 states and 2821 transitions. [2019-11-23 22:36:15,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-23 22:36:15,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-11-23 22:36:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:15,477 INFO L225 Difference]: With dead ends: 2030 [2019-11-23 22:36:15,477 INFO L226 Difference]: Without dead ends: 1656 [2019-11-23 22:36:15,479 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-11-23 22:36:15,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2019-11-23 22:36:15,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 615. [2019-11-23 22:36:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-11-23 22:36:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 838 transitions. [2019-11-23 22:36:15,542 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 838 transitions. Word has length 73 [2019-11-23 22:36:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:15,542 INFO L462 AbstractCegarLoop]: Abstraction has 615 states and 838 transitions. [2019-11-23 22:36:15,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:36:15,543 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 838 transitions. [2019-11-23 22:36:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-23 22:36:15,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:15,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:15,544 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:15,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:15,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1204676769, now seen corresponding path program 1 times [2019-11-23 22:36:15,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:15,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048305699] [2019-11-23 22:36:15,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:15,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048305699] [2019-11-23 22:36:15,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:15,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 22:36:15,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33533389] [2019-11-23 22:36:15,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:36:15,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:15,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:36:15,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:36:15,674 INFO L87 Difference]: Start difference. First operand 615 states and 838 transitions. Second operand 6 states. [2019-11-23 22:36:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:16,128 INFO L93 Difference]: Finished difference Result 2356 states and 3253 transitions. [2019-11-23 22:36:16,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-23 22:36:16,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-11-23 22:36:16,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:16,138 INFO L225 Difference]: With dead ends: 2356 [2019-11-23 22:36:16,139 INFO L226 Difference]: Without dead ends: 1974 [2019-11-23 22:36:16,140 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-11-23 22:36:16,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2019-11-23 22:36:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 693. [2019-11-23 22:36:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2019-11-23 22:36:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 940 transitions. [2019-11-23 22:36:16,210 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 940 transitions. Word has length 74 [2019-11-23 22:36:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:16,210 INFO L462 AbstractCegarLoop]: Abstraction has 693 states and 940 transitions. [2019-11-23 22:36:16,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:36:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 940 transitions. [2019-11-23 22:36:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-23 22:36:16,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:16,212 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:16,212 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:16,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:16,212 INFO L82 PathProgramCache]: Analyzing trace with hash -217796256, now seen corresponding path program 1 times [2019-11-23 22:36:16,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:16,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354220327] [2019-11-23 22:36:16,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:16,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354220327] [2019-11-23 22:36:16,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:16,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 22:36:16,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001973517] [2019-11-23 22:36:16,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:36:16,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:16,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:36:16,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:36:16,286 INFO L87 Difference]: Start difference. First operand 693 states and 940 transitions. Second operand 6 states. [2019-11-23 22:36:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:16,497 INFO L93 Difference]: Finished difference Result 1555 states and 2195 transitions. [2019-11-23 22:36:16,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-23 22:36:16,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-11-23 22:36:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:16,504 INFO L225 Difference]: With dead ends: 1555 [2019-11-23 22:36:16,504 INFO L226 Difference]: Without dead ends: 1156 [2019-11-23 22:36:16,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-23 22:36:16,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2019-11-23 22:36:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 699. [2019-11-23 22:36:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-23 22:36:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 946 transitions. [2019-11-23 22:36:16,612 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 946 transitions. Word has length 74 [2019-11-23 22:36:16,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:16,612 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 946 transitions. [2019-11-23 22:36:16,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:36:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 946 transitions. [2019-11-23 22:36:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-23 22:36:16,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:16,614 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:16,614 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:16,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:16,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1278252476, now seen corresponding path program 1 times [2019-11-23 22:36:16,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:16,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973923402] [2019-11-23 22:36:16,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:36:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:36:16,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973923402] [2019-11-23 22:36:16,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:36:16,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:36:16,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62990901] [2019-11-23 22:36:16,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:36:16,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:36:16,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:36:16,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:16,669 INFO L87 Difference]: Start difference. First operand 699 states and 946 transitions. Second operand 3 states. [2019-11-23 22:36:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:36:16,777 INFO L93 Difference]: Finished difference Result 1371 states and 1888 transitions. [2019-11-23 22:36:16,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:36:16,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-11-23 22:36:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:36:16,782 INFO L225 Difference]: With dead ends: 1371 [2019-11-23 22:36:16,782 INFO L226 Difference]: Without dead ends: 903 [2019-11-23 22:36:16,783 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:36:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2019-11-23 22:36:16,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 678. [2019-11-23 22:36:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2019-11-23 22:36:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 909 transitions. [2019-11-23 22:36:16,844 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 909 transitions. Word has length 74 [2019-11-23 22:36:16,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:36:16,845 INFO L462 AbstractCegarLoop]: Abstraction has 678 states and 909 transitions. [2019-11-23 22:36:16,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:36:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 909 transitions. [2019-11-23 22:36:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-23 22:36:16,846 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:36:16,846 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:36:16,846 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:36:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:36:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1698648942, now seen corresponding path program 1 times [2019-11-23 22:36:16,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:36:16,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469466191] [2019-11-23 22:36:16,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:36:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-23 22:36:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-23 22:36:16,975 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-23 22:36:16,975 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-23 22:36:17,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:36:17 BoogieIcfgContainer [2019-11-23 22:36:17,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 22:36:17,136 INFO L168 Benchmark]: Toolchain (without parser) took 9850.83 ms. Allocated memory was 145.2 MB in the beginning and 369.6 MB in the end (delta: 224.4 MB). Free memory was 102.4 MB in the beginning and 181.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,137 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.31 ms. Allocated memory was 145.2 MB in the beginning and 200.8 MB in the end (delta: 55.6 MB). Free memory was 102.2 MB in the beginning and 173.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.14 ms. Allocated memory is still 200.8 MB. Free memory was 173.8 MB in the beginning and 168.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,140 INFO L168 Benchmark]: Boogie Preprocessor took 96.65 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,141 INFO L168 Benchmark]: RCFGBuilder took 1195.52 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 194.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,141 INFO L168 Benchmark]: TraceAbstraction took 7853.39 ms. Allocated memory was 234.4 MB in the beginning and 369.6 MB in the end (delta: 135.3 MB). Free memory was 194.3 MB in the beginning and 181.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 147.7 MB. Max. memory is 7.1 GB. [2019-11-23 22:36:17,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.31 ms. Allocated memory was 145.2 MB in the beginning and 200.8 MB in the end (delta: 55.6 MB). Free memory was 102.2 MB in the beginning and 173.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.14 ms. Allocated memory is still 200.8 MB. Free memory was 173.8 MB in the beginning and 168.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.65 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.52 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 194.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7853.39 ms. Allocated memory was 234.4 MB in the beginning and 369.6 MB in the end (delta: 135.3 MB). Free memory was 194.3 MB in the beginning and 181.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 147.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 661]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] _Bool side1Failed ; [L97] _Bool side2Failed ; [L102] static _Bool side1Failed_History_0 ; [L103] static _Bool side1Failed_History_1 ; [L104] static _Bool side1Failed_History_2 ; [L105] static _Bool side2Failed_History_0 ; [L106] static _Bool side2Failed_History_1 ; [L107] static _Bool side2Failed_History_2 ; [L69] msg_t nomsg = (msg_t )-1; [L70] port_t cs1 ; [L71] int8_t cs1_old ; [L72] int8_t cs1_new ; [L73] port_t cs2 ; [L74] int8_t cs2_old ; [L75] int8_t cs2_new ; [L76] port_t s1s2 ; [L77] int8_t s1s2_old ; [L78] int8_t s1s2_new ; [L79] port_t s1s1 ; [L80] int8_t s1s1_old ; [L81] int8_t s1s1_new ; [L82] port_t s2s1 ; [L83] int8_t s2s1_old ; [L84] int8_t s2s1_new ; [L85] port_t s2s2 ; [L86] int8_t s2s2_old ; [L87] int8_t s2s2_new ; [L88] port_t s1p ; [L89] int8_t s1p_old ; [L90] int8_t s1p_new ; [L91] port_t s2p ; [L92] int8_t s2p_old ; [L93] int8_t s2p_new ; [L98] msg_t side1_written ; [L99] msg_t side2_written ; [L108] static int8_t active_side_History_0 ; [L109] static int8_t active_side_History_1 ; [L110] static int8_t active_side_History_2 ; [L111] static msg_t manual_selection_History_0 ; [L112] static msg_t manual_selection_History_1 ; [L113] static msg_t manual_selection_History_2 ; [L463] void (*nodes[4])(void) = { & Console_task_each_pals_period, & Side1_activestandby_task_each_pals_period, & Side2_activestandby_task_each_pals_period, & Pendulum_prism_task_each_pals_period}; VAL [active_side_History_0=0, active_side_History_1=0, active_side_History_2=0, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L585] int c1 ; [L586] int i2 ; [L589] c1 = 0 [L590] side1Failed = __VERIFIER_nondet_bool() [L591] side2Failed = __VERIFIER_nondet_bool() [L592] side1_written = __VERIFIER_nondet_char() [L593] side2_written = __VERIFIER_nondet_char() [L594] side1Failed_History_0 = __VERIFIER_nondet_bool() [L595] side1Failed_History_1 = __VERIFIER_nondet_bool() [L596] side1Failed_History_2 = __VERIFIER_nondet_bool() [L597] side2Failed_History_0 = __VERIFIER_nondet_bool() [L598] side2Failed_History_1 = __VERIFIER_nondet_bool() [L599] side2Failed_History_2 = __VERIFIER_nondet_bool() [L600] active_side_History_0 = __VERIFIER_nondet_char() [L601] active_side_History_1 = __VERIFIER_nondet_char() [L602] active_side_History_2 = __VERIFIER_nondet_char() [L603] manual_selection_History_0 = __VERIFIER_nondet_char() [L604] manual_selection_History_1 = __VERIFIER_nondet_char() [L605] manual_selection_History_2 = __VERIFIER_nondet_char() [L239] COND FALSE !((int )side1Failed_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L242] COND FALSE !((int )side2Failed_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L245] COND FALSE !((int )active_side_History_0 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L248] COND FALSE !((int )manual_selection_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L251] COND FALSE !((int )side1Failed_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L254] COND FALSE !((int )side2Failed_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L257] COND FALSE !((int )active_side_History_1 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L260] COND FALSE !((int )manual_selection_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L263] COND FALSE !((int )side1Failed_History_2 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L266] COND FALSE !((int )side2Failed_History_2 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L269] COND FALSE !((int )active_side_History_2 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L272] COND FALSE !((int )manual_selection_History_2 != 0) [L275] return (1); VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L606] i2 = init() [L608] cs1_old = nomsg [L609] cs1_new = nomsg [L610] cs2_old = nomsg [L611] cs2_new = nomsg [L612] s1s2_old = nomsg [L613] s1s2_new = nomsg [L614] s1s1_old = nomsg [L615] s1s1_new = nomsg [L616] s2s1_old = nomsg [L617] s2s1_new = nomsg [L618] s2s2_old = nomsg [L619] s2s2_new = nomsg [L620] s1p_old = nomsg [L621] s1p_new = nomsg [L622] s2p_old = nomsg [L623] s2p_new = nomsg [L624] i2 = 0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L625] COND TRUE 1 [L293] msg_t manual_selection ; [L294] char tmp ; [L297] tmp = __VERIFIER_nondet_char() [L298] manual_selection = tmp [L209] manual_selection_History_2 = manual_selection_History_1 [L210] manual_selection_History_1 = manual_selection_History_0 [L211] manual_selection_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L300] EXPR manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L300] cs1_new = manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L301] EXPR manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L301] cs2_new = manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L302] manual_selection = (msg_t )0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=129, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L308] int8_t side1 ; [L309] int8_t side2 ; [L310] msg_t manual_selection ; [L311] int8_t next_state ; [L314] side1 = nomsg [L315] side2 = nomsg [L316] manual_selection = (msg_t )0 [L317] side1Failed = __VERIFIER_nondet_bool() [L119] side1Failed_History_2 = side1Failed_History_1 [L120] side1Failed_History_1 = side1Failed_History_0 [L121] side1Failed_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L319] COND FALSE !(\read(side1Failed)) [L326] side1 = s1s1_old [L327] s1s1_old = nomsg [L328] side2 = s2s1_old [L329] s2s1_old = nomsg [L330] manual_selection = cs1_old [L331] cs1_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L332] COND TRUE (int )side1 == (int )side2 [L333] next_state = (int8_t )1 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L356] EXPR next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L356] s1s1_new = next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new [L357] EXPR next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L357] s1s2_new = next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new [L358] EXPR next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L358] s1p_new = next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new [L359] side1_written = next_state VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=128, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L365] int8_t side1 ; [L366] int8_t side2 ; [L367] msg_t manual_selection ; [L368] int8_t next_state ; [L371] side1 = nomsg [L372] side2 = nomsg [L373] manual_selection = (msg_t )0 [L374] side2Failed = __VERIFIER_nondet_bool() [L149] side2Failed_History_2 = side2Failed_History_1 [L150] side2Failed_History_1 = side2Failed_History_0 [L151] side2Failed_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L376] COND FALSE !(\read(side2Failed)) [L383] side1 = s1s2_old [L384] s1s2_old = nomsg [L385] side2 = s2s2_old [L386] s2s2_old = nomsg [L387] manual_selection = cs2_old [L388] cs2_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L389] COND TRUE (int )side1 == (int )side2 [L390] next_state = (int8_t )1 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L413] EXPR next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L413] s2s1_new = next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new [L414] EXPR next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L414] s2s2_new = next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new [L415] EXPR next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L415] s2p_new = next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new [L416] side2_written = next_state VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L422] int8_t active_side ; [L423] int8_t tmp ; [L424] int8_t side1 ; [L425] int8_t side2 ; [L190] COND TRUE (int )index == 0 [L191] return (active_side_History_0); VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L428] tmp = read_active_side_history((unsigned char)0) [L429] active_side = tmp [L430] side1 = nomsg [L431] side2 = nomsg [L432] side1 = s1p_old [L433] s1p_old = nomsg [L434] side2 = s2p_old [L435] s2p_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L436] COND FALSE !((int )side1 == 1) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L439] COND FALSE !((int )side2 == 1) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L442] COND FALSE !((int )side1 == 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L450] COND TRUE (int )side1 == (int )nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L451] COND FALSE !((int )side2 == 0) [L454] active_side = (int8_t )0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L179] active_side_History_2 = active_side_History_1 [L180] active_side_History_1 = active_side_History_0 [L181] active_side_History_0 = val VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=127, cs1_old=-1, cs2=0, cs2_new=127, cs2_old=-1, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L631] cs1_old = cs1_new [L632] cs1_new = nomsg [L633] cs2_old = cs2_new [L634] cs2_new = nomsg [L635] s1s2_old = s1s2_new [L636] s1s2_new = nomsg [L637] s1s1_old = s1s1_new [L638] s1s1_new = nomsg [L639] s2s1_old = s2s1_new [L640] s2s1_new = nomsg [L641] s2s2_old = s2s2_new [L642] s2s2_new = nomsg [L643] s1p_old = s1p_new [L644] s1p_new = nomsg [L645] s2p_old = s2p_new [L646] s2p_new = nomsg [L466] int tmp ; [L467] msg_t tmp___0 ; [L468] _Bool tmp___1 ; [L469] _Bool tmp___2 ; [L470] _Bool tmp___3 ; [L471] _Bool tmp___4 ; [L472] int8_t tmp___5 ; [L473] _Bool tmp___6 ; [L474] _Bool tmp___7 ; [L475] _Bool tmp___8 ; [L476] int8_t tmp___9 ; [L477] _Bool tmp___10 ; [L478] _Bool tmp___11 ; [L479] _Bool tmp___12 ; [L480] msg_t tmp___13 ; [L481] _Bool tmp___14 ; [L482] _Bool tmp___15 ; [L483] _Bool tmp___16 ; [L484] _Bool tmp___17 ; [L485] int8_t tmp___18 ; [L486] int8_t tmp___19 ; [L487] int8_t tmp___20 ; VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L490] COND TRUE ! side1Failed [L491] tmp = 1 VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L220] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L223] COND TRUE (int )index == 1 [L224] return (manual_selection_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L499] tmp___0 = read_manual_selection_history((unsigned char)1) [L500] COND TRUE ! tmp___0 [L130] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L133] COND TRUE (int )index == 1 [L134] return (side1Failed_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L501] tmp___1 = read_side1_failed_history((unsigned char)1) [L502] COND TRUE ! tmp___1 [L130] COND TRUE (int )index == 0 [L131] return (side1Failed_History_0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L503] tmp___2 = read_side1_failed_history((unsigned char)0) [L504] COND TRUE ! tmp___2 [L160] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L163] COND TRUE (int )index == 1 [L164] return (side2Failed_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L505] tmp___3 = read_side2_failed_history((unsigned char)1) [L506] COND TRUE ! tmp___3 [L160] COND TRUE (int )index == 0 [L161] return (side2Failed_History_0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L507] tmp___4 = read_side2_failed_history((unsigned char)0) [L508] COND TRUE ! tmp___4 VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L509] COND FALSE !(! ((int )side1_written == 1)) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L514] COND FALSE !(! (! ((int )side1_written == 0))) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L519] COND TRUE ! (! ((int )side1_written == 1)) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L520] COND TRUE ! ((int )side2_written == 0) [L521] return (0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L647] c1 = check() [L659] COND TRUE ! arg VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L661] __VERIFIER_error() VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=127, cs2=0, cs2_new=-1, cs2_old=127, manual_selection_History_0=127, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 292 locations, 23 error locations. Result: UNSAFE, OverallTime: 7.7s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8997 SDtfs, 12932 SDslu, 14123 SDs, 0 SdLazy, 1323 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 63 SyntacticMatches, 8 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=699occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 6903 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1320 NumberOfCodeBlocks, 1320 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 255377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...