/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:37:56,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:37:56,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:37:56,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:37:56,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:37:56,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:37:56,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:37:56,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:37:56,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:37:56,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:37:56,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:37:56,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:37:56,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:37:56,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:37:56,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:37:56,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:37:56,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:37:56,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:37:56,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:37:56,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:37:56,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:37:56,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:37:56,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:37:56,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:37:56,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 19:37:56,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 19:37:56,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 19:37:56,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 19:37:56,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 19:37:56,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 19:37:56,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 19:37:56,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 19:37:56,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 19:37:56,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 19:37:56,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 19:37:56,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 19:37:56,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 19:37:56,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 19:37:56,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:37:56,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:37:56,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:37:56,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:37:56,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:37:56,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:37:56,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:37:56,204 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:37:56,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:37:56,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:37:56,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:37:56,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:37:56,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:37:56,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:37:56,207 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:37:56,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:37:56,207 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:37:56,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:37:56,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:37:56,208 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:37:56,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:37:56,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:37:56,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:37:56,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:37:56,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:37:56,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:37:56,209 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:37:56,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:37:56,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:37:56,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:37:56,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:37:56,513 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:37:56,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2020-08-22 19:37:56,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9b17726/72fe9b9fae3f4eb494912a578603e231/FLAGc1400c4a9 [2020-08-22 19:37:57,055 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:37:57,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2020-08-22 19:37:57,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9b17726/72fe9b9fae3f4eb494912a578603e231/FLAGc1400c4a9 [2020-08-22 19:37:57,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9b17726/72fe9b9fae3f4eb494912a578603e231 [2020-08-22 19:37:57,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:37:57,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:37:57,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:37:57,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:37:57,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:37:57,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1982e62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57, skipping insertion in model container [2020-08-22 19:37:57,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:37:57,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:37:57,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:37:57,676 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:37:57,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:37:57,867 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:37:57,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57 WrapperNode [2020-08-22 19:37:57,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:37:57,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:37:57,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:37:57,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:37:57,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (1/1) ... [2020-08-22 19:37:57,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:37:57,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:37:57,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:37:57,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:37:57,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (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 [2020-08-22 19:37:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:37:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:37:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:37:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 19:37:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:37:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:37:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:37:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:37:58,517 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:37:58,518 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 19:37:58,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:37:58 BoogieIcfgContainer [2020-08-22 19:37:58,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:37:58,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:37:58,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:37:58,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:37:58,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:37:57" (1/3) ... [2020-08-22 19:37:58,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2259af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:37:58, skipping insertion in model container [2020-08-22 19:37:58,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:57" (2/3) ... [2020-08-22 19:37:58,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2259af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:37:58, skipping insertion in model container [2020-08-22 19:37:58,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:37:58" (3/3) ... [2020-08-22 19:37:58,536 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_io_1.c [2020-08-22 19:37:58,548 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:37:58,557 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:37:58,574 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:37:58,600 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:37:58,600 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:37:58,601 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:37:58,601 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:37:58,601 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:37:58,602 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:37:58,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:37:58,602 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:37:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-08-22 19:37:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-22 19:37:58,638 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:58,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:37:58,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:58,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:58,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1735850516, now seen corresponding path program 1 times [2020-08-22 19:37:58,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:58,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640217640] [2020-08-22 19:37:58,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:58,737 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:58,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:58,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640217640] [2020-08-22 19:37:58,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:58,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 19:37:58,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085875871] [2020-08-22 19:37:58,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 19:37:58,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:58,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 19:37:58,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 19:37:58,966 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 3 states. [2020-08-22 19:37:59,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:59,117 INFO L93 Difference]: Finished difference Result 368 states and 482 transitions. [2020-08-22 19:37:59,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 19:37:59,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-08-22 19:37:59,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:59,139 INFO L225 Difference]: With dead ends: 368 [2020-08-22 19:37:59,140 INFO L226 Difference]: Without dead ends: 163 [2020-08-22 19:37:59,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 19:37:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-22 19:37:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-08-22 19:37:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-08-22 19:37:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-08-22 19:37:59,233 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 35 [2020-08-22 19:37:59,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:59,233 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-08-22 19:37:59,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 19:37:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-08-22 19:37:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-22 19:37:59,235 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:59,236 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] [2020-08-22 19:37:59,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:37:59,236 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:59,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1081886035, now seen corresponding path program 1 times [2020-08-22 19:37:59,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:59,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359918493] [2020-08-22 19:37:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:59,240 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:59,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:59,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359918493] [2020-08-22 19:37:59,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:59,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:37:59,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599803163] [2020-08-22 19:37:59,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:37:59,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:59,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:37:59,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:37:59,348 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 4 states. [2020-08-22 19:37:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:59,791 INFO L93 Difference]: Finished difference Result 327 states and 388 transitions. [2020-08-22 19:37:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:37:59,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-08-22 19:37:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:59,796 INFO L225 Difference]: With dead ends: 327 [2020-08-22 19:37:59,796 INFO L226 Difference]: Without dead ends: 178 [2020-08-22 19:37:59,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:37:59,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-08-22 19:37:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-08-22 19:37:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-08-22 19:37:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 208 transitions. [2020-08-22 19:37:59,833 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 208 transitions. Word has length 36 [2020-08-22 19:37:59,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:59,834 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 208 transitions. [2020-08-22 19:37:59,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:37:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 208 transitions. [2020-08-22 19:37:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-22 19:37:59,836 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:59,836 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 19:37:59,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:37:59,837 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:59,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:59,837 INFO L82 PathProgramCache]: Analyzing trace with hash 989236732, now seen corresponding path program 1 times [2020-08-22 19:37:59,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:59,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107609955] [2020-08-22 19:37:59,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:59,860 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:59,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:59,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107609955] [2020-08-22 19:37:59,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:59,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:37:59,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421835857] [2020-08-22 19:37:59,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:37:59,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:59,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:37:59,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:37:59,963 INFO L87 Difference]: Start difference. First operand 178 states and 208 transitions. Second operand 4 states. [2020-08-22 19:38:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:00,093 INFO L93 Difference]: Finished difference Result 323 states and 379 transitions. [2020-08-22 19:38:00,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:38:00,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-08-22 19:38:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:00,098 INFO L225 Difference]: With dead ends: 323 [2020-08-22 19:38:00,098 INFO L226 Difference]: Without dead ends: 160 [2020-08-22 19:38:00,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:38:00,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-22 19:38:00,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-08-22 19:38:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-08-22 19:38:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 184 transitions. [2020-08-22 19:38:00,159 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 184 transitions. Word has length 58 [2020-08-22 19:38:00,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:00,162 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 184 transitions. [2020-08-22 19:38:00,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:38:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 184 transitions. [2020-08-22 19:38:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-08-22 19:38:00,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:00,165 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 19:38:00,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:38:00,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:00,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:00,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1364131535, now seen corresponding path program 1 times [2020-08-22 19:38:00,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:00,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857894439] [2020-08-22 19:38:00,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:00,174 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:00,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857894439] [2020-08-22 19:38:00,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:00,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:38:00,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769208825] [2020-08-22 19:38:00,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:38:00,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:00,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:38:00,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:38:00,293 INFO L87 Difference]: Start difference. First operand 160 states and 184 transitions. Second operand 4 states. [2020-08-22 19:38:00,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:00,700 INFO L93 Difference]: Finished difference Result 380 states and 450 transitions. [2020-08-22 19:38:00,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:38:00,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-08-22 19:38:00,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:00,705 INFO L225 Difference]: With dead ends: 380 [2020-08-22 19:38:00,706 INFO L226 Difference]: Without dead ends: 255 [2020-08-22 19:38:00,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:38:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-08-22 19:38:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2020-08-22 19:38:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-08-22 19:38:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 290 transitions. [2020-08-22 19:38:00,756 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 290 transitions. Word has length 71 [2020-08-22 19:38:00,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:00,757 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 290 transitions. [2020-08-22 19:38:00,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:38:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 290 transitions. [2020-08-22 19:38:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-22 19:38:00,766 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:00,767 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 19:38:00,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 19:38:00,767 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:00,768 INFO L82 PathProgramCache]: Analyzing trace with hash -2059109809, now seen corresponding path program 1 times [2020-08-22 19:38:00,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:00,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770519882] [2020-08-22 19:38:00,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:00,776 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:00,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770519882] [2020-08-22 19:38:00,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:00,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:38:00,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388785332] [2020-08-22 19:38:00,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:38:00,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:00,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:38:00,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:38:00,893 INFO L87 Difference]: Start difference. First operand 249 states and 290 transitions. Second operand 4 states. [2020-08-22 19:38:01,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:01,129 INFO L93 Difference]: Finished difference Result 494 states and 576 transitions. [2020-08-22 19:38:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:38:01,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-08-22 19:38:01,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:01,132 INFO L225 Difference]: With dead ends: 494 [2020-08-22 19:38:01,133 INFO L226 Difference]: Without dead ends: 283 [2020-08-22 19:38:01,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:38:01,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-22 19:38:01,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2020-08-22 19:38:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-08-22 19:38:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 322 transitions. [2020-08-22 19:38:01,170 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 322 transitions. Word has length 72 [2020-08-22 19:38:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:01,172 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 322 transitions. [2020-08-22 19:38:01,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:38:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 322 transitions. [2020-08-22 19:38:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-08-22 19:38:01,176 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:01,177 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:38:01,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 19:38:01,178 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:01,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:01,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1063922455, now seen corresponding path program 1 times [2020-08-22 19:38:01,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:01,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019755927] [2020-08-22 19:38:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:01,188 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:01,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:01,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019755927] [2020-08-22 19:38:01,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:01,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:38:01,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614211959] [2020-08-22 19:38:01,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:38:01,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:01,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:38:01,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:38:01,349 INFO L87 Difference]: Start difference. First operand 281 states and 322 transitions. Second operand 4 states. [2020-08-22 19:38:01,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:01,540 INFO L93 Difference]: Finished difference Result 460 states and 530 transitions. [2020-08-22 19:38:01,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:38:01,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-08-22 19:38:01,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:01,543 INFO L225 Difference]: With dead ends: 460 [2020-08-22 19:38:01,543 INFO L226 Difference]: Without dead ends: 217 [2020-08-22 19:38:01,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:38:01,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-22 19:38:01,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-08-22 19:38:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-22 19:38:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 245 transitions. [2020-08-22 19:38:01,569 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 245 transitions. Word has length 111 [2020-08-22 19:38:01,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:01,574 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 245 transitions. [2020-08-22 19:38:01,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:38:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 245 transitions. [2020-08-22 19:38:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-08-22 19:38:01,579 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:01,580 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 19:38:01,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 19:38:01,580 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:01,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1519310599, now seen corresponding path program 1 times [2020-08-22 19:38:01,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:01,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927513299] [2020-08-22 19:38:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:01,588 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:01,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:01,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927513299] [2020-08-22 19:38:01,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:01,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 19:38:01,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576626688] [2020-08-22 19:38:01,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 19:38:01,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:01,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 19:38:01,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:38:01,750 INFO L87 Difference]: Start difference. First operand 217 states and 245 transitions. Second operand 5 states. [2020-08-22 19:38:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:02,162 INFO L93 Difference]: Finished difference Result 225 states and 253 transitions. [2020-08-22 19:38:02,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 19:38:02,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-08-22 19:38:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:02,164 INFO L225 Difference]: With dead ends: 225 [2020-08-22 19:38:02,164 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:38:02,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:38:02,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:38:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:38:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:38:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:38:02,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2020-08-22 19:38:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:02,168 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:38:02,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 19:38:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:38:02,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:38:02,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 19:38:02,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:38:05,388 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:38:05,388 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-08-22 19:38:05,388 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_connect_2~0 |old(~m_connect_2~0)|) (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_close~0 |old(~m_close~0)|)) [2020-08-22 19:38:05,389 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-08-22 19:38:05,389 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-08-22 19:38:05,389 INFO L271 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: true [2020-08-22 19:38:05,389 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-08-22 19:38:05,390 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:38:05,390 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:38:05,390 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:38:05,390 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:38:05,390 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:38:05,391 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: false [2020-08-22 19:38:05,391 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: false [2020-08-22 19:38:05,391 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 344) the Hoare annotation is: true [2020-08-22 19:38:05,391 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: false [2020-08-22 19:38:05,391 INFO L264 CegarLoopResult]: At program point L118-1(line 118) the Hoare annotation is: false [2020-08-22 19:38:05,391 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (= main_~q~0 0) [2020-08-22 19:38:05,391 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,392 INFO L264 CegarLoopResult]: At program point L234-1(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,392 INFO L264 CegarLoopResult]: At program point L36(lines 36 47) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,392 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-08-22 19:38:05,392 INFO L264 CegarLoopResult]: At program point L53(lines 53 104) the Hoare annotation is: (or (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2020-08-22 19:38:05,392 INFO L264 CegarLoopResult]: At program point L86-1(lines 86 101) the Hoare annotation is: false [2020-08-22 19:38:05,392 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,393 INFO L264 CegarLoopResult]: At program point L86-2(line 86) the Hoare annotation is: false [2020-08-22 19:38:05,393 INFO L264 CegarLoopResult]: At program point L86-3(line 86) the Hoare annotation is: false [2020-08-22 19:38:05,393 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,393 INFO L264 CegarLoopResult]: At program point L202-1(lines 202 217) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,393 INFO L264 CegarLoopResult]: At program point L202-2(line 202) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,393 INFO L264 CegarLoopResult]: At program point L202-3(line 202) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: false [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L70-1(lines 70 85) the Hoare annotation is: false [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L70-2(line 70) the Hoare annotation is: false [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L70-3(line 70) the Hoare annotation is: false [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L318-1(lines 318 333) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,394 INFO L264 CegarLoopResult]: At program point L318-2(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L318-3(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L186-1(lines 186 201) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L186-2(line 186) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L186-3(line 186) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: false [2020-08-22 19:38:05,395 INFO L264 CegarLoopResult]: At program point L54-1(lines 54 69) the Hoare annotation is: false [2020-08-22 19:38:05,396 INFO L264 CegarLoopResult]: At program point L54-2(line 54) the Hoare annotation is: false [2020-08-22 19:38:05,396 INFO L264 CegarLoopResult]: At program point L54-3(line 54) the Hoare annotation is: false [2020-08-22 19:38:05,396 INFO L264 CegarLoopResult]: At program point L335(lines 23 339) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and .cse0 (= main_~q~0 2)) (and (= main_~q~0 0) .cse0) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,396 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,396 INFO L264 CegarLoopResult]: At program point L302-1(lines 302 317) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,396 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 344) the Hoare annotation is: true [2020-08-22 19:38:05,396 INFO L264 CegarLoopResult]: At program point L302-2(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,397 INFO L264 CegarLoopResult]: At program point L302-3(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,397 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,397 INFO L264 CegarLoopResult]: At program point L170-1(lines 170 185) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,397 INFO L264 CegarLoopResult]: At program point L170-2(line 170) the Hoare annotation is: (and (<= 2 main_~q~0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,397 INFO L264 CegarLoopResult]: At program point L170-3(line 170) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,397 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,398 INFO L264 CegarLoopResult]: At program point L286-1(lines 286 301) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,398 INFO L264 CegarLoopResult]: At program point L286-2(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,398 INFO L264 CegarLoopResult]: At program point L286-3(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,398 INFO L264 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,398 INFO L264 CegarLoopResult]: At program point L154-1(lines 154 169) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,398 INFO L264 CegarLoopResult]: At program point L88(lines 88 99) the Hoare annotation is: false [2020-08-22 19:38:05,399 INFO L264 CegarLoopResult]: At program point L154-2(line 154) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,399 INFO L264 CegarLoopResult]: At program point L154-3(line 154) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,399 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,399 INFO L264 CegarLoopResult]: At program point L270-1(lines 270 285) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,399 INFO L264 CegarLoopResult]: At program point L204(lines 204 215) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,399 INFO L264 CegarLoopResult]: At program point L270-2(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L270-3(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L105(lines 105 220) the Hoare annotation is: (or (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L138-1(lines 138 153) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L72(lines 72 83) the Hoare annotation is: false [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,400 INFO L264 CegarLoopResult]: At program point L138-3(line 138) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,401 INFO L264 CegarLoopResult]: At program point L320(lines 320 331) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,401 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,401 INFO L264 CegarLoopResult]: At program point L221(lines 221 336) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,401 INFO L264 CegarLoopResult]: At program point L254-1(lines 254 269) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,401 INFO L264 CegarLoopResult]: At program point L188(lines 188 199) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,401 INFO L264 CegarLoopResult]: At program point L254-2(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,402 INFO L264 CegarLoopResult]: At program point L254-3(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,402 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,402 INFO L264 CegarLoopResult]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,402 INFO L264 CegarLoopResult]: At program point L56(lines 56 67) the Hoare annotation is: false [2020-08-22 19:38:05,402 INFO L264 CegarLoopResult]: At program point L122-2(line 122) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,402 INFO L264 CegarLoopResult]: At program point L122-3(line 122) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,403 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 339) the Hoare annotation is: (or (and (= main_~q~0 0) (= main_~this_sink~0 0)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2020-08-22 19:38:05,403 INFO L271 CegarLoopResult]: At program point L23-3(lines 23 339) the Hoare annotation is: true [2020-08-22 19:38:05,403 INFO L264 CegarLoopResult]: At program point L304(lines 304 315) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,403 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,403 INFO L264 CegarLoopResult]: At program point L238-1(lines 238 253) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,403 INFO L264 CegarLoopResult]: At program point L172(lines 172 183) the Hoare annotation is: (and (<= 2 main_~q~0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,404 INFO L264 CegarLoopResult]: At program point L238-2(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,404 INFO L264 CegarLoopResult]: At program point L238-3(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,404 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,404 INFO L264 CegarLoopResult]: At program point L106-1(lines 106 121) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,404 INFO L264 CegarLoopResult]: At program point L40(lines 40 42) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,404 INFO L264 CegarLoopResult]: At program point L106-2(line 106) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,405 INFO L264 CegarLoopResult]: At program point L106-3(line 106) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,405 INFO L264 CegarLoopResult]: At program point L288(lines 288 299) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,405 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,405 INFO L264 CegarLoopResult]: At program point L222-1(lines 222 237) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,405 INFO L264 CegarLoopResult]: At program point L156(lines 156 167) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,405 INFO L264 CegarLoopResult]: At program point L222-2(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,406 INFO L264 CegarLoopResult]: At program point L222-3(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,406 INFO L271 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: true [2020-08-22 19:38:05,406 INFO L264 CegarLoopResult]: At program point L272(lines 272 283) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,406 INFO L271 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: true [2020-08-22 19:38:05,406 INFO L264 CegarLoopResult]: At program point L140(lines 140 151) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,406 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-08-22 19:38:05,406 INFO L271 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: true [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L256(lines 256 267) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (and (= main_~this_sink~0 0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= main_~q~0 2)) [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L124(lines 124 135) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L240(lines 240 251) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L108(lines 108 119) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,407 INFO L264 CegarLoopResult]: At program point L224(lines 224 235) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,408 INFO L264 CegarLoopResult]: At program point L158(line 158) the Hoare annotation is: false [2020-08-22 19:38:05,408 INFO L271 CegarLoopResult]: At program point L92(lines 92 94) the Hoare annotation is: true [2020-08-22 19:38:05,408 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and .cse0 (= main_~q~0 2)) (and (= main_~q~0 0) .cse0) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,408 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and .cse0 (= main_~q~0 2)) (and (= main_~q~0 0) .cse0) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,408 INFO L264 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,409 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: false [2020-08-22 19:38:05,409 INFO L271 CegarLoopResult]: At program point L208(lines 208 210) the Hoare annotation is: true [2020-08-22 19:38:05,409 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: false [2020-08-22 19:38:05,409 INFO L264 CegarLoopResult]: At program point L76(lines 76 78) the Hoare annotation is: false [2020-08-22 19:38:05,409 INFO L271 CegarLoopResult]: At program point L324(lines 324 326) the Hoare annotation is: true [2020-08-22 19:38:05,409 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,409 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (and (= main_~this_sink~0 0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= main_~q~0 2)) [2020-08-22 19:38:05,410 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: false [2020-08-22 19:38:05,410 INFO L264 CegarLoopResult]: At program point L60(lines 60 62) the Hoare annotation is: false [2020-08-22 19:38:05,410 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,410 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,410 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,410 INFO L264 CegarLoopResult]: At program point L308(lines 308 310) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: false [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L176(lines 176 178) the Hoare annotation is: (and (<= 2 main_~q~0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L325(lines 13 344) the Hoare annotation is: false [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L292(lines 292 294) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,411 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,412 INFO L264 CegarLoopResult]: At program point L160(lines 160 162) the Hoare annotation is: false [2020-08-22 19:38:05,412 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,412 INFO L264 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,412 INFO L264 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,412 INFO L264 CegarLoopResult]: At program point L276(lines 276 278) the Hoare annotation is: false [2020-08-22 19:38:05,412 INFO L264 CegarLoopResult]: At program point L144(lines 144 146) the Hoare annotation is: false [2020-08-22 19:38:05,413 INFO L264 CegarLoopResult]: At program point L260(lines 260 262) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,413 INFO L264 CegarLoopResult]: At program point L128(lines 128 130) the Hoare annotation is: false [2020-08-22 19:38:05,413 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,413 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,413 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,413 INFO L264 CegarLoopResult]: At program point L244(lines 244 246) the Hoare annotation is: false [2020-08-22 19:38:05,414 INFO L264 CegarLoopResult]: At program point L112(lines 112 114) the Hoare annotation is: false [2020-08-22 19:38:05,414 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,414 INFO L264 CegarLoopResult]: At program point L46-1(line 46) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2020-08-22 19:38:05,414 INFO L264 CegarLoopResult]: At program point L228(lines 228 230) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,414 INFO L271 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: true [2020-08-22 19:38:05,414 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343) the Hoare annotation is: false [2020-08-22 19:38:05,415 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 344) the Hoare annotation is: true [2020-08-22 19:38:05,415 INFO L271 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: true [2020-08-22 19:38:05,415 INFO L271 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-08-22 19:38:05,415 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-08-22 19:38:05,415 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (and (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= main_~q~0 2)) [2020-08-22 19:38:05,415 INFO L271 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-08-22 19:38:05,415 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-08-22 19:38:05,416 INFO L271 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: true [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: false [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: false [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= main_~q~0 0) [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,416 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2020-08-22 19:38:05,417 INFO L264 CegarLoopResult]: At program point L198-1(line 198) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2020-08-22 19:38:05,417 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: false [2020-08-22 19:38:05,417 INFO L264 CegarLoopResult]: At program point L33(lines 33 52) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and (= main_~q~0 0) .cse0) (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))))) [2020-08-22 19:38:05,419 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: false [2020-08-22 19:38:05,419 INFO L264 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: false [2020-08-22 19:38:05,419 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,419 INFO L264 CegarLoopResult]: At program point L298-1(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,419 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,420 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: false [2020-08-22 19:38:05,420 INFO L264 CegarLoopResult]: At program point L166-1(line 166) the Hoare annotation is: false [2020-08-22 19:38:05,420 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,420 INFO L264 CegarLoopResult]: At program point L34-1(lines 34 49) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,420 INFO L264 CegarLoopResult]: At program point L34-2(line 34) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,420 INFO L264 CegarLoopResult]: At program point L34-3(line 34) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: false [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L282-1(line 282) the Hoare annotation is: false [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: false [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L150-1(line 150) the Hoare annotation is: false [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L266-1(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-08-22 19:38:05,421 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: false [2020-08-22 19:38:05,422 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: false [2020-08-22 19:38:05,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:38:05 BoogieIcfgContainer [2020-08-22 19:38:05,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:38:05,447 INFO L168 Benchmark]: Toolchain (without parser) took 8069.99 ms. Allocated memory was 147.8 MB in the beginning and 317.2 MB in the end (delta: 169.3 MB). Free memory was 104.5 MB in the beginning and 229.3 MB in the end (delta: -124.7 MB). Peak memory consumption was 155.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:38:05,448 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 19:38:05,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.54 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 104.3 MB in the beginning and 183.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:38:05,450 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 ms. Allocated memory is still 205.5 MB. Free memory was 183.7 MB in the beginning and 181.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-08-22 19:38:05,450 INFO L168 Benchmark]: RCFGBuilder took 605.50 ms. Allocated memory is still 205.5 MB. Free memory was 181.4 MB in the beginning and 145.2 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-08-22 19:38:05,451 INFO L168 Benchmark]: TraceAbstraction took 6916.41 ms. Allocated memory was 205.5 MB in the beginning and 317.2 MB in the end (delta: 111.7 MB). Free memory was 144.5 MB in the beginning and 229.3 MB in the end (delta: -84.7 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. [2020-08-22 19:38:05,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 492.54 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 104.3 MB in the beginning and 183.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.49 ms. Allocated memory is still 205.5 MB. Free memory was 183.7 MB in the beginning and 181.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 605.50 ms. Allocated memory is still 205.5 MB. Free memory was 181.4 MB in the beginning and 145.2 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6916.41 ms. Allocated memory was 205.5 MB in the beginning and 317.2 MB in the end (delta: 111.7 MB). Free memory was 144.5 MB in the beginning and 229.3 MB in the end (delta: -84.7 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 343]: 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: 23]: Loop Invariant Derived loop invariant: ((this_sink == 0 && q == 2) || (q == 0 && this_sink == 0)) || (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (q == 0 && this_sink == 0) || (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 1672 SDslu, 85 SDs, 0 SdLazy, 805 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 201 LocationsWithAnnotation, 201 PreInvPairs, 375 NumberOfFragments, 1654 HoareAnnotationTreeSize, 201 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 201 FomulaSimplificationsInter, 3437 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...