/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:30:43,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:30:43,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:30:43,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:30:43,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:30:43,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:30:43,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:30:43,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:30:43,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:30:43,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:30:43,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:30:43,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:30:43,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:30:43,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:30:43,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:30:43,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:30:43,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:30:43,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:30:43,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:30:43,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:30:43,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:30:43,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:30:43,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:30:43,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:30:43,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 11:30:43,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 11:30:43,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 11:30:43,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 11:30:43,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 11:30:43,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 11:30:43,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 11:30:43,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 11:30:43,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 11:30:43,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 11:30:43,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 11:30:43,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 11:30:43,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 11:30:43,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 11:30:43,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:30:43,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:30:43,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:30:43,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 11:30:43,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:30:43,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:30:43,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:30:43,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:30:43,973 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:30:43,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:30:43,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:30:43,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:30:43,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:30:43,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:30:43,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:30:43,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:30:43,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:30:43,974 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:30:43,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:30:43,975 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:30:43,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:30:43,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:30:43,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:30:43,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:30:43,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:30:43,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:30:43,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:30:43,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:30:43,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:30:43,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:30:43,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:30:43,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:30:43,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:30:43,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:30:44,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:30:44,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:30:44,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:30:44,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:30:44,271 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:30:44,272 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-21 11:30:44,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cefc0149/5fc62910627a419cbadaa6b5de9d1a42/FLAG4914b5ac3 [2020-07-21 11:30:44,906 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:30:44,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-21 11:30:44,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cefc0149/5fc62910627a419cbadaa6b5de9d1a42/FLAG4914b5ac3 [2020-07-21 11:30:45,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cefc0149/5fc62910627a419cbadaa6b5de9d1a42 [2020-07-21 11:30:45,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:30:45,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:30:45,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:30:45,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:30:45,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:30:45,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:45,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0d40c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45, skipping insertion in model container [2020-07-21 11:30:45,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:45,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:30:45,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:30:45,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:30:45,808 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:30:45,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:30:45,953 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:30:45,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45 WrapperNode [2020-07-21 11:30:45,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:30:45,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:30:45,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:30:45,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:30:45,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:45,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:45,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:45,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:46,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:46,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:46,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... [2020-07-21 11:30:46,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:30:46,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:30:46,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:30:46,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:30:46,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:30:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:30:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:30:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:30:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:30:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:30:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:30:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:30:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:30:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:30:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:30:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:30:47,367 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:30:47,367 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:30:47,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:30:47 BoogieIcfgContainer [2020-07-21 11:30:47,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:30:47,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:30:47,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:30:47,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:30:47,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:30:45" (1/3) ... [2020-07-21 11:30:47,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22918789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:30:47, skipping insertion in model container [2020-07-21 11:30:47,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:30:45" (2/3) ... [2020-07-21 11:30:47,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22918789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:30:47, skipping insertion in model container [2020-07-21 11:30:47,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:30:47" (3/3) ... [2020-07-21 11:30:47,383 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-07-21 11:30:47,396 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:30:47,405 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:30:47,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:30:47,452 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:30:47,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:30:47,452 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:30:47,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:30:47,453 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:30:47,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:30:47,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:30:47,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:30:47,480 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 11:30:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-21 11:30:47,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:30:47,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:30:47,490 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:30:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:30:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-07-21 11:30:47,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:30:47,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580768718] [2020-07-21 11:30:47,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:30:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:30:47,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:30:47,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:30:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:30:47,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:30:47,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580768718] [2020-07-21 11:30:47,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:30:47,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:30:47,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765395362] [2020-07-21 11:30:47,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:30:47,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:30:47,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:30:47,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:30:47,726 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 11:30:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:30:48,780 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-21 11:30:48,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:30:48,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-07-21 11:30:48,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:30:48,799 INFO L225 Difference]: With dead ends: 586 [2020-07-21 11:30:48,799 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 11:30:48,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:30:48,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 11:30:48,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 11:30:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 11:30:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions. [2020-07-21 11:30:48,889 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 44 [2020-07-21 11:30:48,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:30:48,890 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 426 transitions. [2020-07-21 11:30:48,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:30:48,890 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions. [2020-07-21 11:30:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 11:30:48,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:30:48,897 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:30:49,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:30:49,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:30:49,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:30:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-07-21 11:30:49,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:30:49,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797084378] [2020-07-21 11:30:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:30:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:30:49,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:30:49,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:30:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:30:49,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:30:49,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797084378] [2020-07-21 11:30:49,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:30:49,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:30:49,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052792497] [2020-07-21 11:30:49,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:30:49,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:30:49,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:30:49,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:30:49,277 INFO L87 Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 5 states. [2020-07-21 11:30:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:30:50,359 INFO L93 Difference]: Finished difference Result 890 states and 1316 transitions. [2020-07-21 11:30:50,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:30:50,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-07-21 11:30:50,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:30:50,372 INFO L225 Difference]: With dead ends: 890 [2020-07-21 11:30:50,373 INFO L226 Difference]: Without dead ends: 602 [2020-07-21 11:30:50,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:30:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-07-21 11:30:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 590. [2020-07-21 11:30:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-21 11:30:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 775 transitions. [2020-07-21 11:30:50,452 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 775 transitions. Word has length 118 [2020-07-21 11:30:50,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:30:50,454 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 775 transitions. [2020-07-21 11:30:50,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:30:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 775 transitions. [2020-07-21 11:30:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-21 11:30:50,463 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:30:50,464 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:30:50,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:30:50,672 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:30:50,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:30:50,673 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-07-21 11:30:50,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:30:50,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556314058] [2020-07-21 11:30:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:30:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:30:50,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 11:30:50,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:30:50,798 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 11:30:50,802 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 11:30:52,969 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 11:30:53,027 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 11:30:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:30:53,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:30:53,324 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:30:53,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 11:30:53,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556314058] [2020-07-21 11:30:53,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:30:53,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-21 11:30:53,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106916975] [2020-07-21 11:30:53,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:30:53,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:30:53,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:30:53,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:30:53,378 INFO L87 Difference]: Start difference. First operand 590 states and 775 transitions. Second operand 6 states. [2020-07-21 11:33:18,720 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 29 [2020-07-21 11:33:36,618 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23 [2020-07-21 11:36:06,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:06,991 INFO L93 Difference]: Finished difference Result 1939 states and 2669 transitions. [2020-07-21 11:36:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 11:36:06,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-07-21 11:36:06,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:07,009 INFO L225 Difference]: With dead ends: 1939 [2020-07-21 11:36:07,009 INFO L226 Difference]: Without dead ends: 1355 [2020-07-21 11:36:07,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-07-21 11:36:07,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2020-07-21 11:36:07,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1333. [2020-07-21 11:36:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2020-07-21 11:36:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1753 transitions. [2020-07-21 11:36:07,071 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1753 transitions. Word has length 123 [2020-07-21 11:36:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:07,072 INFO L479 AbstractCegarLoop]: Abstraction has 1333 states and 1753 transitions. [2020-07-21 11:36:07,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:36:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1753 transitions. [2020-07-21 11:36:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 11:36:07,076 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:07,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:36:07,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:07,278 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:07,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-07-21 11:36:07,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:07,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762903445] [2020-07-21 11:36:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:07,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:36:07,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:07,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:36:07,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762903445] [2020-07-21 11:36:07,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:36:07,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:36:07,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619883445] [2020-07-21 11:36:07,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:36:07,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:07,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:36:07,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:36:07,509 INFO L87 Difference]: Start difference. First operand 1333 states and 1753 transitions. Second operand 5 states. [2020-07-21 11:36:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:11,482 INFO L93 Difference]: Finished difference Result 3437 states and 4825 transitions. [2020-07-21 11:36:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:36:11,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-07-21 11:36:11,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:11,513 INFO L225 Difference]: With dead ends: 3437 [2020-07-21 11:36:11,514 INFO L226 Difference]: Without dead ends: 2253 [2020-07-21 11:36:11,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:36:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2020-07-21 11:36:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2076. [2020-07-21 11:36:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2076 states. [2020-07-21 11:36:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2747 transitions. [2020-07-21 11:36:11,618 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2747 transitions. Word has length 139 [2020-07-21 11:36:11,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:11,619 INFO L479 AbstractCegarLoop]: Abstraction has 2076 states and 2747 transitions. [2020-07-21 11:36:11,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:36:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2747 transitions. [2020-07-21 11:36:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-21 11:36:11,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:11,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:36:11,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:11,840 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:11,841 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-07-21 11:36:11,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:11,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223657656] [2020-07-21 11:36:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:11,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:36:11,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:11,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:36:11,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223657656] [2020-07-21 11:36:11,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:36:11,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:36:11,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575594806] [2020-07-21 11:36:11,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:36:11,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:11,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:36:11,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:36:11,990 INFO L87 Difference]: Start difference. First operand 2076 states and 2747 transitions. Second operand 3 states. [2020-07-21 11:36:14,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:14,715 INFO L93 Difference]: Finished difference Result 4583 states and 6192 transitions. [2020-07-21 11:36:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:36:14,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-07-21 11:36:14,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:14,737 INFO L225 Difference]: With dead ends: 4583 [2020-07-21 11:36:14,737 INFO L226 Difference]: Without dead ends: 2656 [2020-07-21 11:36:14,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:36:14,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2020-07-21 11:36:14,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2656. [2020-07-21 11:36:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2656 states. [2020-07-21 11:36:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3432 transitions. [2020-07-21 11:36:14,819 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3432 transitions. Word has length 140 [2020-07-21 11:36:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:14,819 INFO L479 AbstractCegarLoop]: Abstraction has 2656 states and 3432 transitions. [2020-07-21 11:36:14,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:36:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3432 transitions. [2020-07-21 11:36:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-21 11:36:14,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:14,824 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:36:15,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:15,039 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:15,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:15,039 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-07-21 11:36:15,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:15,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847496050] [2020-07-21 11:36:15,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:15,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:36:15,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:15,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:36:15,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847496050] [2020-07-21 11:36:15,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:36:15,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:36:15,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866284038] [2020-07-21 11:36:15,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:36:15,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:15,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:36:15,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:36:15,168 INFO L87 Difference]: Start difference. First operand 2656 states and 3432 transitions. Second operand 3 states. [2020-07-21 11:36:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:17,842 INFO L93 Difference]: Finished difference Result 3959 states and 5085 transitions. [2020-07-21 11:36:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:36:17,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-21 11:36:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:17,872 INFO L225 Difference]: With dead ends: 3959 [2020-07-21 11:36:17,872 INFO L226 Difference]: Without dead ends: 3957 [2020-07-21 11:36:17,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:36:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2020-07-21 11:36:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3099. [2020-07-21 11:36:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3099 states. [2020-07-21 11:36:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4046 transitions. [2020-07-21 11:36:17,969 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4046 transitions. Word has length 181 [2020-07-21 11:36:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:17,970 INFO L479 AbstractCegarLoop]: Abstraction has 3099 states and 4046 transitions. [2020-07-21 11:36:17,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:36:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4046 transitions. [2020-07-21 11:36:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 11:36:17,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:17,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:36:18,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:18,189 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:18,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:18,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-07-21 11:36:18,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:18,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511567696] [2020-07-21 11:36:18,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:18,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:36:18,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:18,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:36:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:18,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511567696] [2020-07-21 11:36:18,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:36:18,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:36:18,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973530794] [2020-07-21 11:36:18,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:36:18,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:18,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:36:18,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:36:18,686 INFO L87 Difference]: Start difference. First operand 3099 states and 4046 transitions. Second operand 7 states. [2020-07-21 11:36:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:25,362 INFO L93 Difference]: Finished difference Result 7198 states and 10200 transitions. [2020-07-21 11:36:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 11:36:25,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-21 11:36:25,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:25,397 INFO L225 Difference]: With dead ends: 7198 [2020-07-21 11:36:25,397 INFO L226 Difference]: Without dead ends: 4105 [2020-07-21 11:36:25,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 11:36:25,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2020-07-21 11:36:25,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 3540. [2020-07-21 11:36:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2020-07-21 11:36:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4540 transitions. [2020-07-21 11:36:25,522 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4540 transitions. Word has length 193 [2020-07-21 11:36:25,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:25,522 INFO L479 AbstractCegarLoop]: Abstraction has 3540 states and 4540 transitions. [2020-07-21 11:36:25,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:36:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4540 transitions. [2020-07-21 11:36:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-21 11:36:25,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:25,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:36:25,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:25,744 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:25,745 INFO L82 PathProgramCache]: Analyzing trace with hash -958838712, now seen corresponding path program 1 times [2020-07-21 11:36:25,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:25,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9142743] [2020-07-21 11:36:25,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:25,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:36:25,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:25,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:36:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:36:26,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9142743] [2020-07-21 11:36:26,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:36:26,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:36:26,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158415761] [2020-07-21 11:36:26,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:36:26,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:26,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:36:26,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:36:26,182 INFO L87 Difference]: Start difference. First operand 3540 states and 4540 transitions. Second operand 7 states. [2020-07-21 11:36:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:31,281 INFO L93 Difference]: Finished difference Result 6943 states and 8949 transitions. [2020-07-21 11:36:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 11:36:31,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-07-21 11:36:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:31,306 INFO L225 Difference]: With dead ends: 6943 [2020-07-21 11:36:31,306 INFO L226 Difference]: Without dead ends: 3409 [2020-07-21 11:36:31,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 11:36:31,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-07-21 11:36:31,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2827. [2020-07-21 11:36:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2827 states. [2020-07-21 11:36:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3271 transitions. [2020-07-21 11:36:31,392 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3271 transitions. Word has length 205 [2020-07-21 11:36:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:31,393 INFO L479 AbstractCegarLoop]: Abstraction has 2827 states and 3271 transitions. [2020-07-21 11:36:31,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:36:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3271 transitions. [2020-07-21 11:36:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-21 11:36:31,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:31,400 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:36:31,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:31,614 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:31,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:31,615 INFO L82 PathProgramCache]: Analyzing trace with hash 590569913, now seen corresponding path program 1 times [2020-07-21 11:36:31,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:31,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145237781] [2020-07-21 11:36:31,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:31,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:36:31,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-21 11:36:31,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:36:31,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145237781] [2020-07-21 11:36:31,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:36:31,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:36:31,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279411933] [2020-07-21 11:36:31,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:36:31,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:31,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:36:31,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:36:31,823 INFO L87 Difference]: Start difference. First operand 2827 states and 3271 transitions. Second operand 3 states. [2020-07-21 11:36:34,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:34,479 INFO L93 Difference]: Finished difference Result 6508 states and 7549 transitions. [2020-07-21 11:36:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:36:34,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-07-21 11:36:34,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:34,503 INFO L225 Difference]: With dead ends: 6508 [2020-07-21 11:36:34,504 INFO L226 Difference]: Without dead ends: 2815 [2020-07-21 11:36:34,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:36:34,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2020-07-21 11:36:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2815. [2020-07-21 11:36:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2815 states. [2020-07-21 11:36:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3233 transitions. [2020-07-21 11:36:34,594 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3233 transitions. Word has length 222 [2020-07-21 11:36:34,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:34,595 INFO L479 AbstractCegarLoop]: Abstraction has 2815 states and 3233 transitions. [2020-07-21 11:36:34,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:36:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3233 transitions. [2020-07-21 11:36:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-07-21 11:36:34,609 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:36:34,610 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 11:36:34,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:34,824 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:36:34,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:36:34,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-07-21 11:36:34,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:36:34,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043361334] [2020-07-21 11:36:34,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:36:34,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 11:36:34,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:36:35,164 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-07-21 11:36:35,171 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 11:36:35,174 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 11:36:35,333 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2020-07-21 11:36:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 19 proven. 113 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-07-21 11:36:35,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:36:35,909 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 11:36:36,120 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 11:36:36,121 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:36:36,122 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:36:36,123 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 11:36:36,218 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:36:36,492 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-07-21 11:36:36,502 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 11:36:36,508 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:36:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 121 proven. 11 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-07-21 11:36:36,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043361334] [2020-07-21 11:36:36,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:36:36,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-07-21 11:36:36,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514708209] [2020-07-21 11:36:36,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 11:36:36,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:36:36,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 11:36:36,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:36:36,806 INFO L87 Difference]: Start difference. First operand 2815 states and 3233 transitions. Second operand 9 states. [2020-07-21 11:36:43,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:36:43,019 INFO L93 Difference]: Finished difference Result 6904 states and 7999 transitions. [2020-07-21 11:36:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:36:43,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 279 [2020-07-21 11:36:43,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:36:43,027 INFO L225 Difference]: With dead ends: 6904 [2020-07-21 11:36:43,027 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:36:43,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-07-21 11:36:43,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:36:43,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:36:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:36:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:36:43,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2020-07-21 11:36:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:36:43,040 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:36:43,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 11:36:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:36:43,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:36:43,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:43,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:36:43,944 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 147 [2020-07-21 11:36:44,083 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 147 [2020-07-21 11:36:44,202 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2020-07-21 11:36:44,515 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-07-21 11:36:49,165 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 217 DAG size of output: 93 [2020-07-21 11:36:50,747 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 150 DAG size of output: 56 [2020-07-21 11:36:52,303 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 150 DAG size of output: 56 [2020-07-21 11:36:52,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:36:52,308 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|)) [2020-07-21 11:36:52,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 11:36:52,309 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 11:36:52,310 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 11:36:52,311 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-07-21 11:36:52,312 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 11:36:52,313 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,314 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 11:36:52,315 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 11:36:52,316 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 11:36:52,317 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,318 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 11:36:52,319 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,320 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 11:36:52,321 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 11:36:52,322 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 11:36:52,323 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 11:36:52,324 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (<= ~a10~0 |old(~a10~0)|)) (.cse16 (<= ~a1~0 23)) (.cse9 (<= |old(~a10~0)| ~a10~0)) (.cse10 (<= |old(~a1~0)| ~a1~0)) (.cse11 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (and .cse8 .cse16 .cse9 .cse10 .cse11)) (.cse7 (not (<= 9 |old(~a19~0)|))) (.cse12 (and (= 0 |old(~a10~0)|) (= 9 |old(~a19~0)|) (not (< 0 (+ |old(~a1~0)| 13))))) (.cse3 (not (< 0 |old(~a10~0)|))) (.cse13 (not (<= |old(~a10~0)| 1))) (.cse0 (not (<= |old(~a19~0)| 7))) (.cse1 (not (<= |old(~a1~0)| 23))) (.cse6 (not (<= |old(~a19~0)| 9))) (.cse15 (not (<= 2 |old(~a10~0)|))) (.cse14 (and .cse8 .cse9 .cse10 .cse11)) (.cse17 (not (<= |old(~a10~0)| 0))) (.cse4 (not (= 0 ~a12~0))) (.cse5 (not (= 14 ~a4~0)))) (and (or .cse0 (not (<= 4 |old(~a10~0)|)) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse4 .cse7 (and (<= 9 ~a19~0) (or (not (= 9 ~a19~0)) (< 0 (+ ~a1~0 13)) (not (= 0 ~a10~0))) .cse8 .cse9 .cse10 .cse11) .cse5 .cse12 .cse13) (or .cse0 .cse14 (not (< |old(~a10~0)| 4))) (or .cse14 .cse4 .cse5 .cse6 .cse15) (or .cse1 .cse16 .cse17 .cse4 .cse7 .cse5 .cse12) (or .cse3 .cse1 .cse16 .cse4 .cse5 .cse13) (or (forall ((v_~a1~0_380 Int)) (or (not (<= (+ (div v_~a1~0_380 5) 331502) |old(~a1~0)|)) (= 0 (mod v_~a1~0_380 5)) (not (< v_~a1~0_380 0)) (not (< 0 (+ v_~a1~0_380 13))))) .cse14 .cse4 .cse5 .cse13) (or .cse0 .cse1 .cse16 .cse6 .cse15) (or .cse14 .cse17 .cse4 .cse5)))) [2020-07-21 11:36:52,324 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 11:36:52,324 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 11:36:52,324 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 11:36:52,324 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 11:36:52,325 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 11:36:52,326 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,327 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 11:36:52,328 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:36:52,329 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 11:36:52,330 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 11:36:52,331 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 11:36:52,331 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 11:36:52,331 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 11:36:52,331 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:36:52,331 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-21 11:36:52,331 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:36:52,331 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:36:52,331 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= ~a1~0 23) (<= |old(~a10~0)| ~a10~0) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) [2020-07-21 11:36:52,332 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 11:36:52,332 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and .cse0 (<= ~a1~0 23)) (and .cse0 (exists ((v_~a1~0_380 Int)) (and (<= (+ (div v_~a1~0_380 5) 331502) ~a1~0) (< v_~a1~0_380 0) (not (= 0 (mod v_~a1~0_380 5))) (< 0 (+ v_~a1~0_380 13))))) (<= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 1) (<= 9 ~a19~0)) (not (= 14 ~a4~0)) (and .cse0 (<= 2 ~a10~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (<= ~a19~0 7))) [2020-07-21 11:36:52,332 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 11:36:52,332 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 11:36:52,332 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and .cse0 (<= ~a1~0 23)) (and .cse0 (exists ((v_~a1~0_380 Int)) (and (<= (+ (div v_~a1~0_380 5) 331502) ~a1~0) (< v_~a1~0_380 0) (not (= 0 (mod v_~a1~0_380 5))) (< 0 (+ v_~a1~0_380 13))))) (<= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 1) (<= 9 ~a19~0)) (not (= 14 ~a4~0)) (and .cse0 (<= 2 ~a10~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (<= ~a19~0 7))) [2020-07-21 11:36:52,333 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 11:36:52,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,346 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:36:52 BoogieIcfgContainer [2020-07-21 11:36:52,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:36:52,360 INFO L168 Benchmark]: Toolchain (without parser) took 367158.92 ms. Allocated memory was 137.9 MB in the beginning and 421.5 MB in the end (delta: 283.6 MB). Free memory was 100.8 MB in the beginning and 142.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 281.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:52,361 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 11:36:52,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.63 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 170.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:52,362 INFO L168 Benchmark]: Boogie Preprocessor took 102.79 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:52,363 INFO L168 Benchmark]: RCFGBuilder took 1316.07 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 165.1 MB in the beginning and 180.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:52,364 INFO L168 Benchmark]: TraceAbstraction took 364982.95 ms. Allocated memory was 236.5 MB in the beginning and 421.5 MB in the end (delta: 185.1 MB). Free memory was 180.6 MB in the beginning and 142.0 MB in the end (delta: 38.6 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:52,367 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.63 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 170.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.79 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1316.07 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 165.1 MB in the beginning and 180.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 364982.95 ms. Allocated memory was 236.5 MB in the beginning and 421.5 MB in the end (delta: 185.1 MB). Free memory was 180.6 MB in the beginning and 142.0 MB in the end (delta: 38.6 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2020-07-21 11:36:52,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 11:36:52,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] Derived loop invariant: ((((((((((((a19 <= 9 && a1 <= 23) || (a19 <= 9 && (\exists v_~a1~0_380 : int :: ((v_~a1~0_380 / 5 + 331502 <= a1 && v_~a1~0_380 < 0) && !(0 == v_~a1~0_380 % 5)) && 0 < v_~a1~0_380 + 13))) || a10 <= 0) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a10 <= 1 && 9 <= a19)) || !(14 == a4)) || (a19 <= 9 && 2 <= a10)) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || !(0 == a12)) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 355.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 346.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 695 SDtfs, 3559 SDslu, 312 SDs, 0 SdLazy, 6835 SolverSat, 1358 SolverUnsat, 144 SolverUnknown, 0 SolverNotchecked, 314.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2381 GetRequests, 2323 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3540occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2216 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 152 PreInvPairs, 222 NumberOfFragments, 587 HoareAnnotationTreeSize, 152 FomulaSimplifications, 20365 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7430 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1644 NumberOfCodeBlocks, 1644 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2308 ConstructedInterpolants, 80 QuantifiedInterpolants, 1767452 SizeOfPredicates, 21 NumberOfNonLiveVariables, 3170 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1429/1595 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...