/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:28:32,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:28:32,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:28:32,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:28:32,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:28:32,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:28:32,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:28:32,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:28:32,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:28:32,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:28:32,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:28:32,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:28:32,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:28:32,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:28:32,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:28:32,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:28:32,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:28:32,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:28:32,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:28:32,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:28:32,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:28:32,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:28:32,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:28:32,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:28:32,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:28:32,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:28:32,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:28:32,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:28:32,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 11:28:32,517 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:28:32,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:28:32,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:28:32,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:28:32,519 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:28:32,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:28:32,520 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:28:32,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:28:32,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:28:32,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:28:32,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:28:32,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:28:32,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:28:32,521 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:28:32,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:28:32,522 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:28:32,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:28:32,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:28:32,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:28:32,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:28:32,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:28:32,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:28:32,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:28:32,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:28:32,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:28:32,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:28:32,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:32,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:28:32,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:28:32,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:28:32,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:28:32,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:28:32,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:28:32,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:28:32,825 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:28:32,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-21 11:28:32,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85296f251/eecef8085e3643c796376e5e29d78a04/FLAGf7d077a77 [2020-07-21 11:28:33,532 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:28:33,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-21 11:28:33,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85296f251/eecef8085e3643c796376e5e29d78a04/FLAGf7d077a77 [2020-07-21 11:28:33,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85296f251/eecef8085e3643c796376e5e29d78a04 [2020-07-21 11:28:33,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:28:33,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:28:33,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:28:33,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:28:33,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:28:33,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:28:33" (1/1) ... [2020-07-21 11:28:33,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562e9ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:33, skipping insertion in model container [2020-07-21 11:28:33,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:28:33" (1/1) ... [2020-07-21 11:28:33,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:28:33,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:28:34,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:28:34,408 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:28:34,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:28:34,515 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:28:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34 WrapperNode [2020-07-21 11:28:34,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:28:34,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:28:34,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:28:34,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:28:34,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... [2020-07-21 11:28:34,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:28:34,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:28:34,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:28:34,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:28:34,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:28:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:28:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:28:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:28:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:28:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:28:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:28:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:28:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:28:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:28:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:28:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:28:35,934 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:28:35,935 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:28:35,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:28:35 BoogieIcfgContainer [2020-07-21 11:28:35,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:28:35,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:28:35,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:28:35,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:28:35,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:28:33" (1/3) ... [2020-07-21 11:28:35,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a9b498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:28:35, skipping insertion in model container [2020-07-21 11:28:35,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:34" (2/3) ... [2020-07-21 11:28:35,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a9b498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:28:35, skipping insertion in model container [2020-07-21 11:28:35,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:28:35" (3/3) ... [2020-07-21 11:28:35,961 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-07-21 11:28:35,975 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:28:35,989 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:28:36,005 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:28:36,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:28:36,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:28:36,040 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:28:36,041 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:28:36,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:28:36,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:28:36,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:28:36,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:28:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 11:28:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-21 11:28:36,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:36,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:36,093 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:36,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:36,100 INFO L82 PathProgramCache]: Analyzing trace with hash -777531634, now seen corresponding path program 1 times [2020-07-21 11:28:36,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:36,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249465981] [2020-07-21 11:28:36,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:36,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:28:36,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:28:36,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:36,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249465981] [2020-07-21 11:28:36,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:36,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:36,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866829230] [2020-07-21 11:28:36,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:36,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:36,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:36,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:36,382 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 11:28:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:37,394 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-21 11:28:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:37,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-21 11:28:37,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:37,413 INFO L225 Difference]: With dead ends: 619 [2020-07-21 11:28:37,413 INFO L226 Difference]: Without dead ends: 321 [2020-07-21 11:28:37,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-21 11:28:37,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-21 11:28:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 11:28:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-21 11:28:37,486 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 110 [2020-07-21 11:28:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:37,487 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-21 11:28:37,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-21 11:28:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-21 11:28:37,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:37,492 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:37,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:37,708 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:37,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:37,710 INFO L82 PathProgramCache]: Analyzing trace with hash -518810049, now seen corresponding path program 1 times [2020-07-21 11:28:37,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:37,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071217538] [2020-07-21 11:28:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:37,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:37,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:28:37,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:37,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071217538] [2020-07-21 11:28:37,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:37,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:37,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713703665] [2020-07-21 11:28:37,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:37,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:37,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:37,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:37,880 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-21 11:28:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:38,595 INFO L93 Difference]: Finished difference Result 782 states and 1068 transitions. [2020-07-21 11:28:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:38,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-07-21 11:28:38,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:38,600 INFO L225 Difference]: With dead ends: 782 [2020-07-21 11:28:38,601 INFO L226 Difference]: Without dead ends: 469 [2020-07-21 11:28:38,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:38,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-21 11:28:38,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-07-21 11:28:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-07-21 11:28:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 600 transitions. [2020-07-21 11:28:38,633 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 600 transitions. Word has length 119 [2020-07-21 11:28:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:38,634 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 600 transitions. [2020-07-21 11:28:38,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 600 transitions. [2020-07-21 11:28:38,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-21 11:28:38,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:38,638 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:38,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:38,852 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:38,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:38,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1290355991, now seen corresponding path program 1 times [2020-07-21 11:28:38,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:38,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659391241] [2020-07-21 11:28:38,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:38,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 11:28:38,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 11:28:39,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 11:28:39,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659391241] [2020-07-21 11:28:39,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:28:39,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-21 11:28:39,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807178151] [2020-07-21 11:28:39,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 11:28:39,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:39,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 11:28:39,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:28:39,147 INFO L87 Difference]: Start difference. First operand 469 states and 600 transitions. Second operand 4 states. [2020-07-21 11:28:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:39,883 INFO L93 Difference]: Finished difference Result 1386 states and 1800 transitions. [2020-07-21 11:28:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 11:28:39,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-07-21 11:28:39,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:39,892 INFO L225 Difference]: With dead ends: 1386 [2020-07-21 11:28:39,892 INFO L226 Difference]: Without dead ends: 923 [2020-07-21 11:28:39,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 254 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:28:39,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-07-21 11:28:39,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2020-07-21 11:28:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-07-21 11:28:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1177 transitions. [2020-07-21 11:28:39,946 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1177 transitions. Word has length 131 [2020-07-21 11:28:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:39,946 INFO L479 AbstractCegarLoop]: Abstraction has 923 states and 1177 transitions. [2020-07-21 11:28:39,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 11:28:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1177 transitions. [2020-07-21 11:28:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 11:28:39,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:39,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:40,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:40,168 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:40,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:40,170 INFO L82 PathProgramCache]: Analyzing trace with hash 379297220, now seen corresponding path program 1 times [2020-07-21 11:28:40,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:40,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213503135] [2020-07-21 11:28:40,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:40,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:40,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 11:28:40,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:40,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213503135] [2020-07-21 11:28:40,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:40,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:40,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675901465] [2020-07-21 11:28:40,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:40,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:40,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:40,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:40,351 INFO L87 Difference]: Start difference. First operand 923 states and 1177 transitions. Second operand 3 states. [2020-07-21 11:28:41,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:41,037 INFO L93 Difference]: Finished difference Result 2130 states and 2809 transitions. [2020-07-21 11:28:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:41,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-21 11:28:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:41,049 INFO L225 Difference]: With dead ends: 2130 [2020-07-21 11:28:41,049 INFO L226 Difference]: Without dead ends: 1213 [2020-07-21 11:28:41,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:41,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-07-21 11:28:41,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1211. [2020-07-21 11:28:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-07-21 11:28:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1581 transitions. [2020-07-21 11:28:41,106 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1581 transitions. Word has length 139 [2020-07-21 11:28:41,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:41,106 INFO L479 AbstractCegarLoop]: Abstraction has 1211 states and 1581 transitions. [2020-07-21 11:28:41,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1581 transitions. [2020-07-21 11:28:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 11:28:41,113 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:41,114 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:41,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:41,328 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:41,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:41,328 INFO L82 PathProgramCache]: Analyzing trace with hash 2035563450, now seen corresponding path program 1 times [2020-07-21 11:28:41,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:41,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104248026] [2020-07-21 11:28:41,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:41,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 11:28:41,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 11:28:41,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:41,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104248026] [2020-07-21 11:28:41,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:41,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:28:41,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651800293] [2020-07-21 11:28:41,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:28:41,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:41,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:28:41,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:28:41,479 INFO L87 Difference]: Start difference. First operand 1211 states and 1581 transitions. Second operand 5 states. [2020-07-21 11:28:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:42,318 INFO L93 Difference]: Finished difference Result 3660 states and 5049 transitions. [2020-07-21 11:28:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:28:42,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-07-21 11:28:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:42,337 INFO L225 Difference]: With dead ends: 3660 [2020-07-21 11:28:42,337 INFO L226 Difference]: Without dead ends: 2455 [2020-07-21 11:28:42,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:28:42,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2020-07-21 11:28:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2423. [2020-07-21 11:28:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2423 states. [2020-07-21 11:28:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3126 transitions. [2020-07-21 11:28:42,448 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3126 transitions. Word has length 145 [2020-07-21 11:28:42,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:42,448 INFO L479 AbstractCegarLoop]: Abstraction has 2423 states and 3126 transitions. [2020-07-21 11:28:42,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:28:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3126 transitions. [2020-07-21 11:28:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-21 11:28:42,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:42,457 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:42,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:42,672 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:42,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:42,674 INFO L82 PathProgramCache]: Analyzing trace with hash -553887348, now seen corresponding path program 1 times [2020-07-21 11:28:42,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:42,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120554099] [2020-07-21 11:28:42,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:42,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:42,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 11:28:42,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-21 11:28:42,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120554099] [2020-07-21 11:28:42,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:42,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 11:28:42,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157173805] [2020-07-21 11:28:42,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:28:42,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:42,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:28:42,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:28:42,960 INFO L87 Difference]: Start difference. First operand 2423 states and 3126 transitions. Second operand 6 states. [2020-07-21 11:28:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:43,823 INFO L93 Difference]: Finished difference Result 5334 states and 6896 transitions. [2020-07-21 11:28:43,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:28:43,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2020-07-21 11:28:43,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:43,848 INFO L225 Difference]: With dead ends: 5334 [2020-07-21 11:28:43,849 INFO L226 Difference]: Without dead ends: 2608 [2020-07-21 11:28:43,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:28:43,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2020-07-21 11:28:43,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2600. [2020-07-21 11:28:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2600 states. [2020-07-21 11:28:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3064 transitions. [2020-07-21 11:28:43,955 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3064 transitions. Word has length 168 [2020-07-21 11:28:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:43,956 INFO L479 AbstractCegarLoop]: Abstraction has 2600 states and 3064 transitions. [2020-07-21 11:28:43,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:28:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3064 transitions. [2020-07-21 11:28:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 11:28:43,962 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:43,963 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:44,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:44,179 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:44,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:44,179 INFO L82 PathProgramCache]: Analyzing trace with hash 496219156, now seen corresponding path program 1 times [2020-07-21 11:28:44,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:44,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208692489] [2020-07-21 11:28:44,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:44,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:28:44,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 11:28:44,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 66 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 11:28:44,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208692489] [2020-07-21 11:28:44,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:44,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:44,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303520222] [2020-07-21 11:28:44,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:44,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:44,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:44,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:44,395 INFO L87 Difference]: Start difference. First operand 2600 states and 3064 transitions. Second operand 7 states. [2020-07-21 11:28:45,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:45,611 INFO L93 Difference]: Finished difference Result 7158 states and 8401 transitions. [2020-07-21 11:28:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:28:45,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-07-21 11:28:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:45,637 INFO L225 Difference]: With dead ends: 7158 [2020-07-21 11:28:45,638 INFO L226 Difference]: Without dead ends: 4412 [2020-07-21 11:28:45,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:28:45,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2020-07-21 11:28:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4403. [2020-07-21 11:28:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2020-07-21 11:28:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 5049 transitions. [2020-07-21 11:28:45,741 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 5049 transitions. Word has length 172 [2020-07-21 11:28:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:45,741 INFO L479 AbstractCegarLoop]: Abstraction has 4403 states and 5049 transitions. [2020-07-21 11:28:45,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 5049 transitions. [2020-07-21 11:28:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-21 11:28:45,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:45,754 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:45,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:45,967 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:45,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:45,967 INFO L82 PathProgramCache]: Analyzing trace with hash -2088565163, now seen corresponding path program 1 times [2020-07-21 11:28:45,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:45,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005249830] [2020-07-21 11:28:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:46,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:46,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-21 11:28:46,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 138 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-21 11:28:46,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005249830] [2020-07-21 11:28:46,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:46,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:46,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727599614] [2020-07-21 11:28:46,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:46,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:46,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:46,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:46,316 INFO L87 Difference]: Start difference. First operand 4403 states and 5049 transitions. Second operand 7 states. [2020-07-21 11:28:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:47,536 INFO L93 Difference]: Finished difference Result 9201 states and 10570 transitions. [2020-07-21 11:28:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:28:47,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-07-21 11:28:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:47,556 INFO L225 Difference]: With dead ends: 9201 [2020-07-21 11:28:47,556 INFO L226 Difference]: Without dead ends: 3920 [2020-07-21 11:28:47,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:28:47,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-07-21 11:28:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2020-07-21 11:28:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-07-21 11:28:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4347 transitions. [2020-07-21 11:28:47,657 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4347 transitions. Word has length 220 [2020-07-21 11:28:47,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:47,658 INFO L479 AbstractCegarLoop]: Abstraction has 3920 states and 4347 transitions. [2020-07-21 11:28:47,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4347 transitions. [2020-07-21 11:28:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-21 11:28:47,671 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:47,671 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:47,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:47,887 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:47,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:47,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1817129599, now seen corresponding path program 1 times [2020-07-21 11:28:47,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:47,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929498912] [2020-07-21 11:28:47,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:48,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:48,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-07-21 11:28:48,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 147 proven. 26 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-21 11:28:48,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929498912] [2020-07-21 11:28:48,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:48,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:48,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026777835] [2020-07-21 11:28:48,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:48,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:48,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:48,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:48,275 INFO L87 Difference]: Start difference. First operand 3920 states and 4347 transitions. Second operand 7 states. [2020-07-21 11:28:48,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:48,776 INFO L93 Difference]: Finished difference Result 6785 states and 7551 transitions. [2020-07-21 11:28:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:28:48,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-07-21 11:28:48,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:48,788 INFO L225 Difference]: With dead ends: 6785 [2020-07-21 11:28:48,788 INFO L226 Difference]: Without dead ends: 3159 [2020-07-21 11:28:48,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 462 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:28:48,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2020-07-21 11:28:48,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3013. [2020-07-21 11:28:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3013 states. [2020-07-21 11:28:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 3275 transitions. [2020-07-21 11:28:48,858 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 3275 transitions. Word has length 234 [2020-07-21 11:28:48,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:48,858 INFO L479 AbstractCegarLoop]: Abstraction has 3013 states and 3275 transitions. [2020-07-21 11:28:48,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3275 transitions. [2020-07-21 11:28:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-07-21 11:28:48,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:48,868 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:49,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:49,083 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:49,086 INFO L82 PathProgramCache]: Analyzing trace with hash 56924203, now seen corresponding path program 1 times [2020-07-21 11:28:49,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:49,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612333652] [2020-07-21 11:28:49,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:49,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 11:28:49,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-21 11:28:49,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:49,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612333652] [2020-07-21 11:28:49,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:49,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:49,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942184691] [2020-07-21 11:28:49,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:49,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:49,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:49,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:49,324 INFO L87 Difference]: Start difference. First operand 3013 states and 3275 transitions. Second operand 3 states. [2020-07-21 11:28:49,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:49,807 INFO L93 Difference]: Finished difference Result 4803 states and 5215 transitions. [2020-07-21 11:28:49,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:49,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-07-21 11:28:49,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:49,809 INFO L225 Difference]: With dead ends: 4803 [2020-07-21 11:28:49,809 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:28:49,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:49,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:28:49,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:28:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:28:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:28:49,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2020-07-21 11:28:49,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:49,819 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:28:49,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:28:49,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:28:50,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:50,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:28:52,046 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2020-07-21 11:28:52,396 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-07-21 11:28:52,710 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-07-21 11:28:52,715 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:28:52,716 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|)) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 11:28:52,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:28:52,716 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,716 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,716 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 11:28:52,717 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:28:52,718 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 11:28:52,719 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 11:28:52,720 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,721 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 11:28:52,722 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,723 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 11:28:52,724 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,725 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 11:28:52,726 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,727 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 11:28:52,728 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,729 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 11:28:52,730 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 11:28:52,731 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,732 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,733 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (<= ~a11~0 0)) (.cse22 (< 0 |old(~a11~0)|))) (let ((.cse6 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse21 (not (<= |old(~a28~0)| 7))) (.cse14 (<= ~a17~0 8)) (.cse15 (<= 8 ~a17~0)) (.cse23 (not (= 1 ~a11~0))) (.cse20 (or .cse0 .cse22)) (.cse24 (<= ~a28~0 10)) (.cse17 (= 1 |old(~a11~0)|)) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse3 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse18 (not (<= 10 |old(~a28~0)|))) (.cse19 (<= 10 ~a28~0)) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse8 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (<= 9 ~a28~0)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse5 (not (<= 9 |old(~a28~0)|))) (.cse7 (not (<= |old(~a17~0)| 7))) (.cse4 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse1 .cse5 .cse2 (and .cse9 .cse14 .cse15 .cse10 .cse11 .cse16) .cse3) (or .cse1 .cse17 .cse6 .cse18 .cse19 .cse3) (or .cse13 (and .cse8 .cse9 .cse20 .cse10 .cse16) .cse7) (or .cse13 .cse21 (and .cse0 .cse9 .cse10 .cse12) .cse6 .cse4) (or .cse13 .cse17 .cse2 .cse6 .cse18 (and (or (and .cse9 .cse14 .cse15 .cse19 .cse22 .cse10 .cse12) (and .cse0 .cse9 .cse14 .cse15 .cse19 .cse10 .cse12)) .cse23) .cse3) (or .cse21 .cse2 .cse3 (and .cse9 .cse14 .cse15 .cse10 .cse16)) (or .cse1 .cse17 .cse2 .cse3 (and .cse9 .cse14 .cse15 .cse23 .cse10 .cse16)) (or .cse1 .cse7 (and .cse8 .cse24 .cse19 .cse10 .cse16) .cse18) (or .cse13 (and .cse20 .cse24 .cse19 .cse10) .cse1 .cse18) (or .cse1 .cse5 .cse17 .cse2 .cse3 .cse11) (or .cse13 .cse7 .cse18 .cse19) (or .cse1 (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse16) .cse5 .cse7 .cse4)))) [2020-07-21 11:28:52,733 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,733 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,733 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,733 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 11:28:52,733 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 11:28:52,733 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 11:28:52,734 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,735 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 11:28:52,736 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 11:28:52,737 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 11:28:52,738 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:28:52,739 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:28:52,740 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-21 11:28:52,740 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:28:52,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:28:52,741 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-21 11:28:52,741 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a11~0 0)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse9 (<= 9 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse12 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 10)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse7 (not (= 1 ~a11~0)))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse5 .cse1 (= ~a25~0 |old(~a25~0)|) .cse3) (and .cse0 .cse5 .cse6 .cse8 .cse2 .cse9) (and .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse2 .cse10 .cse11) (and .cse8 .cse2 .cse10 .cse11 .cse9 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse2 .cse10 .cse12 .cse11) (and .cse1 .cse8 .cse2 .cse10 .cse11 .cse9) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse8 .cse12) (and .cse5 .cse6 .cse8 .cse2 .cse7))) [2020-07-21 11:28:52,741 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:28:52,741 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:28:52,742 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a11~0 0)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse9 (<= 9 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse12 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 10)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse7 (not (= 1 ~a11~0)))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse5 .cse1 (= ~a25~0 |old(~a25~0)|) .cse3) (and .cse0 .cse5 .cse6 .cse8 .cse2 .cse9) (and .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse2 .cse10 .cse11) (and .cse8 .cse2 .cse10 .cse11 .cse9 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse2 .cse10 .cse12 .cse11) (and .cse1 .cse8 .cse2 .cse10 .cse11 .cse9) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse8 .cse12) (and .cse5 .cse6 .cse8 .cse2 .cse7))) [2020-07-21 11:28:52,742 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 11:28:52,742 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 11:28:52,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:28:52 BoogieIcfgContainer [2020-07-21 11:28:52,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:28:52,774 INFO L168 Benchmark]: Toolchain (without parser) took 18951.27 ms. Allocated memory was 144.7 MB in the beginning and 500.7 MB in the end (delta: 356.0 MB). Free memory was 100.3 MB in the beginning and 237.9 MB in the end (delta: -137.6 MB). Peak memory consumption was 386.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:52,777 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 11:28:52,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.65 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 99.9 MB in the beginning and 170.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:52,780 INFO L168 Benchmark]: Boogie Preprocessor took 122.00 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:52,781 INFO L168 Benchmark]: RCFGBuilder took 1308.51 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.8 MB in the beginning and 181.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:52,782 INFO L168 Benchmark]: TraceAbstraction took 16819.71 ms. Allocated memory was 236.5 MB in the beginning and 500.7 MB in the end (delta: 264.2 MB). Free memory was 181.2 MB in the beginning and 237.9 MB in the end (delta: -56.7 MB). Peak memory consumption was 375.9 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:52,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.65 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 99.9 MB in the beginning and 170.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.00 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1308.51 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.8 MB in the beginning and 181.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16819.71 ms. Allocated memory was 236.5 MB in the beginning and 500.7 MB in the end (delta: 264.2 MB). Free memory was 181.2 MB in the beginning and 237.9 MB in the end (delta: -56.7 MB). Peak memory consumption was 375.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || ((((1 == a19 && a11 <= 0) && !(1 == \old(a25))) && a28 <= 7) && 1 == a25)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && !(1 == a11)) && 1 == a25)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a25 == \old(a25)) && a28 <= 7)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && 9 <= a28)) || (((a17 <= \old(a17) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 7)) || (((1 == a19 && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17))) || (((((a28 <= 10 && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && 1 == a25)) || !(\old(a11) <= 0)) || ((((a28 <= 10 && !(1 == \old(a25))) && a17 <= 7) && 10 <= a28) && 7 < \old(a17))) || (((((a11 <= 0 && a28 <= 10) && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28)) || !(\old(a17) <= 8)) || ((1 == a19 && a28 <= 10) && 10 <= a28)) || ((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && !(1 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 969 SDtfs, 4022 SDslu, 472 SDs, 0 SdLazy, 5878 SolverSat, 994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2606 GetRequests, 2560 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4403occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 199 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 153 PreInvPairs, 223 NumberOfFragments, 924 HoareAnnotationTreeSize, 153 FomulaSimplifications, 1818 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2151 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1674 NumberOfCodeBlocks, 1674 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2584 ConstructedInterpolants, 0 QuantifiedInterpolants, 819159 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4472 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 1642/1746 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...