/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -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-eb0fd7c [2020-09-21 12:31:52,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:31:52,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:31:52,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:31:52,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:31:52,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:31:52,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:31:52,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:31:52,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:31:52,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:31:52,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:31:52,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:31:52,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:31:52,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:31:52,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:31:52,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:31:52,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:31:52,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:31:52,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:31:52,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:31:52,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:31:52,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:31:52,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:31:52,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:31:52,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:31:52,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:31:52,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:31:52,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:31:52,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:31:52,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:31:52,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:31:52,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:31:52,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:31:52,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:31:52,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:31:52,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:31:52,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:31:52,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:31:52,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:31:52,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:31:52,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:31:52,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:31:52,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:31:52,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:31:52,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:31:52,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:31:52,210 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:31:52,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:31:52,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:31:52,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:31:52,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:31:52,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:31:52,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:31:52,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:31:52,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:31:52,211 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:31:52,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:31:52,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:31:52,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:31:52,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:31:52,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:31:52,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:31:52,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:31:52,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:31:52,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:31:52,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:31:52,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:31:52,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:31:52,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:31:52,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:31:52,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:31:52,215 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:31:52,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:31:52,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:31:52,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:31:52,678 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:31:52,678 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:31:52,680 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-09-21 12:31:52,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e23647d34/0d16607407ec4e99b402f136a3044c93/FLAG3c9f02603 [2020-09-21 12:31:53,433 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:31:53,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-09-21 12:31:53,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e23647d34/0d16607407ec4e99b402f136a3044c93/FLAG3c9f02603 [2020-09-21 12:31:53,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e23647d34/0d16607407ec4e99b402f136a3044c93 [2020-09-21 12:31:53,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:31:53,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:31:53,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:31:53,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:31:53,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:31:53,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:31:53" (1/1) ... [2020-09-21 12:31:53,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697b2ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:53, skipping insertion in model container [2020-09-21 12:31:53,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:31:53" (1/1) ... [2020-09-21 12:31:53,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:31:53,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:31:54,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:31:54,328 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:31:54,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:31:54,438 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:31:54,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54 WrapperNode [2020-09-21 12:31:54,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:31:54,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:31:54,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:31:54,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:31:54,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... [2020-09-21 12:31:54,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:31:54,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:31:54,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:31:54,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:31:54,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:31:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:31:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:31:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:31:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:31:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:31:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:31:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:31:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:31:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:31:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:31:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:31:56,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:31:56,065 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:31:56,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:31:56 BoogieIcfgContainer [2020-09-21 12:31:56,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:31:56,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:31:56,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:31:56,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:31:56,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:31:53" (1/3) ... [2020-09-21 12:31:56,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564d2dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:31:56, skipping insertion in model container [2020-09-21 12:31:56,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:54" (2/3) ... [2020-09-21 12:31:56,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564d2dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:31:56, skipping insertion in model container [2020-09-21 12:31:56,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:31:56" (3/3) ... [2020-09-21 12:31:56,081 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-09-21 12:31:56,092 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:31:56,102 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:31:56,124 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:31:56,156 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:31:56,156 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:31:56,156 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:31:56,156 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:31:56,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:31:56,157 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:31:56,157 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:31:56,157 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:31:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 12:31:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-09-21 12:31:56,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:56,196 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] [2020-09-21 12:31:56,197 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:56,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:56,203 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-09-21 12:31:56,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:56,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900814353] [2020-09-21 12:31:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:56,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:56,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:31:56,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:56,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-09-21 12:31:56,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:56,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:31:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:31:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 12:31:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:31:56,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:57,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:57,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:57,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:57,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:57,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:31:57,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:31:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:57,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900814353] [2020-09-21 12:31:57,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:31:57,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:31:57,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139567985] [2020-09-21 12:31:57,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:57,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:57,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:57,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:57,114 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-21 12:31:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:59,492 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-09-21 12:31:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:31:59,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-09-21 12:31:59,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:59,525 INFO L225 Difference]: With dead ends: 730 [2020-09-21 12:31:59,526 INFO L226 Difference]: Without dead ends: 447 [2020-09-21 12:31:59,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:31:59,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-21 12:31:59,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-09-21 12:31:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-21 12:31:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-09-21 12:31:59,641 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 44 [2020-09-21 12:31:59,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:59,642 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-09-21 12:31:59,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-09-21 12:31:59,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 12:31:59,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:59,650 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] [2020-09-21 12:31:59,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:31:59,651 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:59,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:59,651 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-09-21 12:31:59,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:59,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916589252] [2020-09-21 12:31:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:32:00,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 944 [2020-09-21 12:32:00,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 12:32:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:32:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:32:00,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:00,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:00,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:32:00,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:00,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:00,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:32:00,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:00,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-21 12:32:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:00,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:00,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:32:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:32:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:01,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916589252] [2020-09-21 12:32:01,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:01,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:01,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126732119] [2020-09-21 12:32:01,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:01,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:01,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:01,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:01,081 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 5 states. [2020-09-21 12:32:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:02,634 INFO L93 Difference]: Finished difference Result 1319 states and 1805 transitions. [2020-09-21 12:32:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:02,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-09-21 12:32:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:02,645 INFO L225 Difference]: With dead ends: 1319 [2020-09-21 12:32:02,646 INFO L226 Difference]: Without dead ends: 882 [2020-09-21 12:32:02,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-09-21 12:32:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 878. [2020-09-21 12:32:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-09-21 12:32:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1120 transitions. [2020-09-21 12:32:02,734 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1120 transitions. Word has length 123 [2020-09-21 12:32:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:02,738 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1120 transitions. [2020-09-21 12:32:02,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1120 transitions. [2020-09-21 12:32:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-21 12:32:02,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:02,756 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] [2020-09-21 12:32:02,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:32:02,757 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 844100826, now seen corresponding path program 1 times [2020-09-21 12:32:02,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:02,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215499468] [2020-09-21 12:32:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:03,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-21 12:32:03,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-09-21 12:32:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-09-21 12:32:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:32:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:03,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:03,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:03,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:03,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:03,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:03,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:04,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:04,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:04,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 12:32:04,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:04,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-21 12:32:04,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 12:32:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:04,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215499468] [2020-09-21 12:32:04,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:04,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:04,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385518664] [2020-09-21 12:32:04,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:04,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:04,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:04,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:04,224 INFO L87 Difference]: Start difference. First operand 878 states and 1120 transitions. Second operand 5 states. [2020-09-21 12:32:05,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:05,295 INFO L93 Difference]: Finished difference Result 1772 states and 2273 transitions. [2020-09-21 12:32:05,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:05,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-09-21 12:32:05,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:05,302 INFO L225 Difference]: With dead ends: 1772 [2020-09-21 12:32:05,303 INFO L226 Difference]: Without dead ends: 882 [2020-09-21 12:32:05,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:05,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-09-21 12:32:05,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 878. [2020-09-21 12:32:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-09-21 12:32:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1117 transitions. [2020-09-21 12:32:05,334 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1117 transitions. Word has length 166 [2020-09-21 12:32:05,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:05,335 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1117 transitions. [2020-09-21 12:32:05,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1117 transitions. [2020-09-21 12:32:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-21 12:32:05,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:05,339 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] [2020-09-21 12:32:05,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:32:05,340 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:05,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:05,340 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-09-21 12:32:05,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:05,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543127970] [2020-09-21 12:32:05,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:05,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:06,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:06,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 12:32:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:32:06,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-09-21 12:32:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:32:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:06,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:06,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:06,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:06,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:06,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:06,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:06,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:06,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:06,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:06,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 12:32:06,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 12:32:06,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-21 12:32:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:06,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543127970] [2020-09-21 12:32:06,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:06,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:06,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480130033] [2020-09-21 12:32:06,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:06,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:06,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:06,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:06,727 INFO L87 Difference]: Start difference. First operand 878 states and 1117 transitions. Second operand 5 states. [2020-09-21 12:32:07,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:07,974 INFO L93 Difference]: Finished difference Result 2479 states and 3251 transitions. [2020-09-21 12:32:07,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:07,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2020-09-21 12:32:07,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:07,991 INFO L225 Difference]: With dead ends: 2479 [2020-09-21 12:32:07,991 INFO L226 Difference]: Without dead ends: 1607 [2020-09-21 12:32:07,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:07,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-09-21 12:32:08,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1603. [2020-09-21 12:32:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-09-21 12:32:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2049 transitions. [2020-09-21 12:32:08,075 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2049 transitions. Word has length 181 [2020-09-21 12:32:08,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:08,075 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 2049 transitions. [2020-09-21 12:32:08,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2049 transitions. [2020-09-21 12:32:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-21 12:32:08,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:08,080 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, 1, 1, 1] [2020-09-21 12:32:08,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:32:08,081 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:08,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:08,081 INFO L82 PathProgramCache]: Analyzing trace with hash 561580173, now seen corresponding path program 1 times [2020-09-21 12:32:08,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:08,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023231825] [2020-09-21 12:32:08,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:08,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:09,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-21 12:32:09,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:09,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:32:09,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-21 12:32:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:32:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:09,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:09,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:09,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:09,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:32:09,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:09,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:09,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:09,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:32:09,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:32:09,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:09,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:32:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:32:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-21 12:32:09,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:32:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-21 12:32:09,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023231825] [2020-09-21 12:32:09,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:09,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:09,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274847318] [2020-09-21 12:32:09,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:09,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:09,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:09,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:09,647 INFO L87 Difference]: Start difference. First operand 1603 states and 2049 transitions. Second operand 5 states. [2020-09-21 12:32:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:10,896 INFO L93 Difference]: Finished difference Result 3220 states and 4136 transitions. [2020-09-21 12:32:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:10,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-09-21 12:32:10,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:10,911 INFO L225 Difference]: With dead ends: 3220 [2020-09-21 12:32:10,911 INFO L226 Difference]: Without dead ends: 1607 [2020-09-21 12:32:10,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-09-21 12:32:11,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1603. [2020-09-21 12:32:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-09-21 12:32:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2037 transitions. [2020-09-21 12:32:11,011 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2037 transitions. Word has length 196 [2020-09-21 12:32:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:11,012 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 2037 transitions. [2020-09-21 12:32:11,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2037 transitions. [2020-09-21 12:32:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-21 12:32:11,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:11,020 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, 1, 1, 1] [2020-09-21 12:32:11,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:32:11,020 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1189061491, now seen corresponding path program 1 times [2020-09-21 12:32:11,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:11,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666385401] [2020-09-21 12:32:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:11,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:12,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-21 12:32:12,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:12,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-09-21 12:32:12,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 12:32:12,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 12:32:12,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:12,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:12,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:12,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:12,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:32:12,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 12:32:12,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:32:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:12,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:32:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:12,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:32:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-21 12:32:12,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 12:32:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:12,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666385401] [2020-09-21 12:32:12,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:12,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:12,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729557171] [2020-09-21 12:32:12,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:12,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:12,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:12,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:12,585 INFO L87 Difference]: Start difference. First operand 1603 states and 2037 transitions. Second operand 7 states. [2020-09-21 12:32:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:14,814 INFO L93 Difference]: Finished difference Result 4223 states and 5405 transitions. [2020-09-21 12:32:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:32:14,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-21 12:32:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:14,826 INFO L225 Difference]: With dead ends: 4223 [2020-09-21 12:32:14,826 INFO L226 Difference]: Without dead ends: 2044 [2020-09-21 12:32:14,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:32:14,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2020-09-21 12:32:14,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1901. [2020-09-21 12:32:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2020-09-21 12:32:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2372 transitions. [2020-09-21 12:32:14,889 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2372 transitions. Word has length 208 [2020-09-21 12:32:14,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:14,889 INFO L479 AbstractCegarLoop]: Abstraction has 1901 states and 2372 transitions. [2020-09-21 12:32:14,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2372 transitions. [2020-09-21 12:32:14,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-21 12:32:14,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:14,895 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:14,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:32:14,895 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:14,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:14,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2020376709, now seen corresponding path program 1 times [2020-09-21 12:32:14,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:14,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164479951] [2020-09-21 12:32:14,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:15,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:15,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-21 12:32:15,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-09-21 12:32:15,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-21 12:32:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:32:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:15,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:15,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:15,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:32:15,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:15,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:15,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:15,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:15,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:15,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 12:32:15,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:15,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:32:15,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:15,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 12:32:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:15,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:16,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:16,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:32:16,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:16,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 12:32:16,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:16,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:16,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:16,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 12:32:16,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-21 12:32:16,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164479951] [2020-09-21 12:32:16,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:16,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:16,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898971627] [2020-09-21 12:32:16,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:16,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:16,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:16,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:16,109 INFO L87 Difference]: Start difference. First operand 1901 states and 2372 transitions. Second operand 5 states. [2020-09-21 12:32:17,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:17,314 INFO L93 Difference]: Finished difference Result 3941 states and 4911 transitions. [2020-09-21 12:32:17,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:17,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-09-21 12:32:17,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:17,320 INFO L225 Difference]: With dead ends: 3941 [2020-09-21 12:32:17,320 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:32:17,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:32:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:32:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:32:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:32:17,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2020-09-21 12:32:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:17,330 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:32:17,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:32:17,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:32:17,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:32:17,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:32:17,808 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2020-09-21 12:32:18,345 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 56 [2020-09-21 12:32:18,505 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-09-21 12:32:18,641 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-09-21 12:32:18,645 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:18,646 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 12:32:18,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:18,646 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 12:32:18,646 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,646 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,646 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:32:18,647 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:32:18,648 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:32:18,651 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:32:18,651 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,652 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:32:18,653 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:32:18,654 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:32:18,656 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 12:32:18,656 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 12:32:18,656 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 12:32:18,656 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,657 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 12:32:18,659 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 12:32:18,660 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 12:32:18,661 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 12:32:18,661 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,661 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,661 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,663 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,663 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:32:18,664 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,665 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 12:32:18,666 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,667 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:32:18,668 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:32:18,669 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 12:32:18,669 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 12:32:18,670 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 12:32:18,672 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 12:32:18,672 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,672 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,672 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,672 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,672 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:32:18,673 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:32:18,674 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:32:18,675 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:32:18,675 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:32:18,675 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,676 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:32:18,677 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:32:18,678 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:32:18,678 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:32:18,678 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 12:32:18,678 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 12:32:18,678 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (= |old(~a10~0)| 1) .cse0) (or (not (<= 10 |old(~a19~0)|)) .cse0) (or (not (<= 221 |old(~a1~0)|)) .cse0 .cse1 (not (= 7 |old(~a19~0)|)) .cse2) (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) .cse0 .cse1 (not (<= |old(~a1~0)| 33)) (not (<= 0 (+ |old(~a1~0)| 12))) .cse2) (or (not (<= 331498 |old(~a1~0)|)) .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (= 9 |old(~a19~0)|))))) [2020-09-21 12:32:18,678 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,679 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 12:32:18,680 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,681 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:32:18,682 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,683 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:32:18,684 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:18,685 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a19~0 9)) [2020-09-21 12:32:18,686 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:32:18,686 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:18,686 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-09-21 12:32:18,686 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:32:18,686 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (not (= ~a10~0 1)) (not (<= |old(~a10~0)| 0)) (and (= 7 ~a19~0) .cse0 .cse1 (<= 221 ~a1~0)) (not (= 9 |old(~a19~0)|)) (<= 10 ~a19~0) (= ~a19~0 9) (and (= ~a19~0 8) (<= 331498 ~a1~0)) (and (<= 0 (+ ~a1~0 12)) (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) (<= ~a1~0 33) .cse1))) [2020-09-21 12:32:18,687 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:32:18,687 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 12:32:18,687 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (not (= ~a10~0 1)) (not (<= |old(~a10~0)| 0)) (and (= 7 ~a19~0) .cse0 .cse1 (<= 221 ~a1~0)) (not (= 9 |old(~a19~0)|)) (<= 10 ~a19~0) (= ~a19~0 9) (and (= ~a19~0 8) (<= 331498 ~a1~0)) (and (<= 0 (+ ~a1~0 12)) (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) (<= ~a1~0 33) .cse1))) [2020-09-21 12:32:18,687 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:32:18,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:32:18 BoogieIcfgContainer [2020-09-21 12:32:18,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:32:18,735 INFO L168 Benchmark]: Toolchain (without parser) took 25066.00 ms. Allocated memory was 140.5 MB in the beginning and 543.7 MB in the end (delta: 403.2 MB). Free memory was 102.9 MB in the beginning and 475.4 MB in the end (delta: -372.6 MB). Peak memory consumption was 418.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:18,743 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:32:18,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.83 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 172.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:18,748 INFO L168 Benchmark]: Boogie Preprocessor took 112.62 ms. Allocated memory is still 206.0 MB. Free memory was 172.2 MB in the beginning and 167.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:18,749 INFO L168 Benchmark]: RCFGBuilder took 1519.85 ms. Allocated memory was 206.0 MB in the beginning and 240.1 MB in the end (delta: 34.1 MB). Free memory was 167.3 MB in the beginning and 182.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:18,751 INFO L168 Benchmark]: TraceAbstraction took 22656.65 ms. Allocated memory was 240.1 MB in the beginning and 543.7 MB in the end (delta: 303.6 MB). Free memory was 182.4 MB in the beginning and 475.4 MB in the end (delta: -293.0 MB). Peak memory consumption was 398.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:18,756 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.83 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 172.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.62 ms. Allocated memory is still 206.0 MB. Free memory was 172.2 MB in the beginning and 167.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1519.85 ms. Allocated memory was 206.0 MB in the beginning and 240.1 MB in the end (delta: 34.1 MB). Free memory was 167.3 MB in the beginning and 182.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22656.65 ms. Allocated memory was 240.1 MB in the beginning and 543.7 MB in the end (delta: 303.6 MB). Free memory was 182.4 MB in the beginning and 475.4 MB in the end (delta: -293.0 MB). Peak memory consumption was 398.6 MB. Max. memory is 7.1 GB. * 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 Derived loop invariant: ((((((!(a10 == 1) || !(\old(a10) <= 0)) || (((7 == a19 && 14 == a4) && a12 == 0) && 221 <= a1)) || !(9 == \old(a19))) || 10 <= a19) || a19 == 9) || (a19 == 8 && 331498 <= a1)) || (((((0 <= a1 + 12 && a19 <= 7) && 14 == a4) && 7 <= a19) && a1 <= 33) && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 2586 SDslu, 146 SDs, 0 SdLazy, 5404 SolverSat, 792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1901occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 163 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 78 PreInvPairs, 120 NumberOfFragments, 306 HoareAnnotationTreeSize, 78 FomulaSimplifications, 10812 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1024 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 1162 NumberOfCodeBlocks, 1162 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1155 ConstructedInterpolants, 0 QuantifiedInterpolants, 476821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 558/567 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...