/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:32:02,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:32:02,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:32:02,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:32:02,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:32:02,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:32:02,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:32:02,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:32:02,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:32:02,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:32:02,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:32:02,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:32:02,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:32:02,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:32:02,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:32:02,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:32:02,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:32:02,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:32:02,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:32:02,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:32:02,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:32:02,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:32:02,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:32:02,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:32:02,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:32:02,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:32:02,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:32:02,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:32:02,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:32:02,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:32:02,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:32:02,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:32:02,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:32:02,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:32:02,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:32:02,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:32:02,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:32:02,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:32:02,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:32:02,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:32:02,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:32:02,253 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 12:32:02,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:32:02,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:32:02,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:32:02,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:32:02,279 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:32:02,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:32:02,280 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:32:02,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:32:02,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:32:02,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:32:02,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:32:02,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:32:02,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:32:02,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:32:02,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:32:02,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:32:02,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:32:02,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:32:02,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:32:02,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:32:02,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:32:02,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:32:02,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:32:02,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:32:02,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:32:02,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:32:02,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:32:02,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:32:02,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:32:02,285 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 12:32:02,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:32:02,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:32:02,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:32:02,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:32:02,825 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:32:02,827 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-09-21 12:32:02,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/090ffd5e9/f90f8f1861b346878446e65aef671689/FLAG6262330f4 [2020-09-21 12:32:03,571 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:32:03,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-09-21 12:32:03,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/090ffd5e9/f90f8f1861b346878446e65aef671689/FLAG6262330f4 [2020-09-21 12:32:03,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/090ffd5e9/f90f8f1861b346878446e65aef671689 [2020-09-21 12:32:03,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:32:03,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:32:03,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:32:03,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:32:03,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:32:03,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:32:03" (1/1) ... [2020-09-21 12:32:03,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a18185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:03, skipping insertion in model container [2020-09-21 12:32:03,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:32:03" (1/1) ... [2020-09-21 12:32:03,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:32:03,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:32:04,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:32:04,453 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:32:04,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:32:04,696 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:32:04,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04 WrapperNode [2020-09-21 12:32:04,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:32:04,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:32:04,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:32:04,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:32:04,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (1/1) ... [2020-09-21 12:32:04,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:32:04,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:32:04,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:32:04,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:32:04,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (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 12:32:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:32:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:32:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:32:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:32:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:32:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:32:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:32:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:32:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:32:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:32:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:32:06,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:32:06,505 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:32:06,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:32:06 BoogieIcfgContainer [2020-09-21 12:32:06,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:32:06,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:32:06,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:32:06,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:32:06,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:32:03" (1/3) ... [2020-09-21 12:32:06,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eca3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:32:06, skipping insertion in model container [2020-09-21 12:32:06,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:04" (2/3) ... [2020-09-21 12:32:06,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eca3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:32:06, skipping insertion in model container [2020-09-21 12:32:06,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:32:06" (3/3) ... [2020-09-21 12:32:06,534 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2020-09-21 12:32:06,548 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:32:06,564 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:32:06,587 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:32:06,624 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:32:06,624 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:32:06,624 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:32:06,624 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:32:06,625 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:32:06,625 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:32:06,625 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:32:06,625 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:32:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 12:32:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 12:32:06,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:06,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:06,661 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:06,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash 664864703, now seen corresponding path program 1 times [2020-09-21 12:32:06,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:06,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877048395] [2020-09-21 12:32:06,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:07,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:07,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:32:07,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-09-21 12:32:07,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:32:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:32:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 12:32:07,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:32:07,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:07,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:07,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:07,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:07,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:32:07,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:32:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:07,623 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 12:32:07,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877048395] [2020-09-21 12:32:07,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:32:07,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:32:07,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117190984] [2020-09-21 12:32:07,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:32:07,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:07,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:32:07,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:32:07,663 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-21 12:32:09,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:09,320 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-09-21 12:32:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:09,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2020-09-21 12:32:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:09,345 INFO L225 Difference]: With dead ends: 581 [2020-09-21 12:32:09,345 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:32:09,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:09,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:32:09,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:32:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:32:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-09-21 12:32:09,438 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 68 [2020-09-21 12:32:09,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:09,439 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-09-21 12:32:09,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:32:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-09-21 12:32:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-21 12:32:09,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:09,447 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, 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] [2020-09-21 12:32:09,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:32:09,448 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:09,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:09,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1304972610, now seen corresponding path program 1 times [2020-09-21 12:32:09,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:09,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521496734] [2020-09-21 12:32:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:09,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:10,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:10,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 12:32:10,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:32:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-21 12:32:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 12:32:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:32:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:10,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:10,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:10,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:10,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:32:10,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:10,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:10,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:10,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:10,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 12:32:10,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 12:32:10,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 12:32:10,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:10,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521496734] [2020-09-21 12:32:10,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:10,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:10,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020231382] [2020-09-21 12:32:10,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:10,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:10,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:10,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:10,816 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 5 states. [2020-09-21 12:32:12,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:12,250 INFO L93 Difference]: Finished difference Result 882 states and 1288 transitions. [2020-09-21 12:32:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:12,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-09-21 12:32:12,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:12,259 INFO L225 Difference]: With dead ends: 882 [2020-09-21 12:32:12,259 INFO L226 Difference]: Without dead ends: 592 [2020-09-21 12:32:12,262 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 12:32:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-09-21 12:32:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-09-21 12:32:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:32:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 790 transitions. [2020-09-21 12:32:12,303 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 790 transitions. Word has length 140 [2020-09-21 12:32:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:12,304 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 790 transitions. [2020-09-21 12:32:12,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 790 transitions. [2020-09-21 12:32:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-21 12:32:12,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:12,321 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, 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] [2020-09-21 12:32:12,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:32:12,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:12,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2103611842, now seen corresponding path program 1 times [2020-09-21 12:32:12,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:12,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32260923] [2020-09-21 12:32:12,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:13,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:13,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 12:32:13,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:32:13,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-21 12:32:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:32:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:13,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:13,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:13,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:13,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:13,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:13,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:13,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:13,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 12:32:13,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-21 12:32:13,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:32:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:13,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32260923] [2020-09-21 12:32:13,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:13,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:13,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874760747] [2020-09-21 12:32:13,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:13,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:13,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:13,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:13,981 INFO L87 Difference]: Start difference. First operand 586 states and 790 transitions. Second operand 5 states. [2020-09-21 12:32:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:15,025 INFO L93 Difference]: Finished difference Result 1193 states and 1620 transitions. [2020-09-21 12:32:15,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:15,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2020-09-21 12:32:15,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:15,037 INFO L225 Difference]: With dead ends: 1193 [2020-09-21 12:32:15,037 INFO L226 Difference]: Without dead ends: 592 [2020-09-21 12:32:15,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 12:32:15,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-09-21 12:32:15,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-09-21 12:32:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:32:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 786 transitions. [2020-09-21 12:32:15,068 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 786 transitions. Word has length 204 [2020-09-21 12:32:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:15,069 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 786 transitions. [2020-09-21 12:32:15,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 786 transitions. [2020-09-21 12:32:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-21 12:32:15,081 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:15,082 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, 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] [2020-09-21 12:32:15,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:32:15,082 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:15,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:15,083 INFO L82 PathProgramCache]: Analyzing trace with hash 452731969, now seen corresponding path program 1 times [2020-09-21 12:32:15,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:15,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670609200] [2020-09-21 12:32:15,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:15,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:15,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:16,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:16,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-21 12:32:16,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:16,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:32:16,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:32:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:32:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-21 12:32:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:16,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:16,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:16,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:16,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:32:16,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:16,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:32:16,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:16,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:16,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 12:32:16,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-21 12:32:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-09-21 12:32:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:16,806 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:16,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670609200] [2020-09-21 12:32:16,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:32:16,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:32:16,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110371427] [2020-09-21 12:32:16,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:16,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:16,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:16,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:16,811 INFO L87 Difference]: Start difference. First operand 586 states and 786 transitions. Second operand 7 states. [2020-09-21 12:32:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:18,253 INFO L93 Difference]: Finished difference Result 1492 states and 2032 transitions. [2020-09-21 12:32:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:32:18,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-09-21 12:32:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:18,260 INFO L225 Difference]: With dead ends: 1492 [2020-09-21 12:32:18,261 INFO L226 Difference]: Without dead ends: 912 [2020-09-21 12:32:18,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:32:18,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-09-21 12:32:18,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 896. [2020-09-21 12:32:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-09-21 12:32:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1158 transitions. [2020-09-21 12:32:18,302 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1158 transitions. Word has length 209 [2020-09-21 12:32:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:18,303 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1158 transitions. [2020-09-21 12:32:18,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1158 transitions. [2020-09-21 12:32:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-21 12:32:18,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:18,308 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:18,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:32:18,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:18,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1891609003, now seen corresponding path program 1 times [2020-09-21 12:32:18,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:18,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530901808] [2020-09-21 12:32:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:18,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:18,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:19,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:19,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-21 12:32:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:32:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 12:32:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 12:32:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:19,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:19,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:19,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:19,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:19,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:32:19,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:19,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:19,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:32:19,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-21 12:32:19,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:32:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:32:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:20,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:32:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-21 12:32:20,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:32:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:20,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530901808] [2020-09-21 12:32:20,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:20,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:20,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515013438] [2020-09-21 12:32:20,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:20,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:20,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:20,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:20,671 INFO L87 Difference]: Start difference. First operand 896 states and 1158 transitions. Second operand 7 states. [2020-09-21 12:32:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:22,188 INFO L93 Difference]: Finished difference Result 1853 states and 2448 transitions. [2020-09-21 12:32:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:32:22,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-09-21 12:32:22,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:22,200 INFO L225 Difference]: With dead ends: 1853 [2020-09-21 12:32:22,200 INFO L226 Difference]: Without dead ends: 936 [2020-09-21 12:32:22,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:32:22,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-09-21 12:32:22,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 896. [2020-09-21 12:32:22,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-09-21 12:32:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1150 transitions. [2020-09-21 12:32:22,265 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1150 transitions. Word has length 220 [2020-09-21 12:32:22,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:22,266 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1150 transitions. [2020-09-21 12:32:22,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1150 transitions. [2020-09-21 12:32:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-21 12:32:22,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:22,278 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:22,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:32:22,278 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:22,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:22,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1285953245, now seen corresponding path program 1 times [2020-09-21 12:32:22,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:22,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621391956] [2020-09-21 12:32:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:22,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:23,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:23,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-21 12:32:23,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:23,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1054 [2020-09-21 12:32:23,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-21 12:32:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 12:32:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:23,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:23,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:23,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:23,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:23,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:32:23,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:23,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:23,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:23,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:32:23,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:32:23,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:23,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:23,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:32:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:23,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:23,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:23,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:32:23,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 12:32:23,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 12:32:23,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-21 12:32:23,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621391956] [2020-09-21 12:32:23,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:23,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:32:23,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978893667] [2020-09-21 12:32:23,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:32:23,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:23,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:32:23,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:23,858 INFO L87 Difference]: Start difference. First operand 896 states and 1150 transitions. Second operand 6 states. [2020-09-21 12:32:26,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:26,117 INFO L93 Difference]: Finished difference Result 2380 states and 3256 transitions. [2020-09-21 12:32:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:32:26,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2020-09-21 12:32:26,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:26,126 INFO L225 Difference]: With dead ends: 2380 [2020-09-21 12:32:26,127 INFO L226 Difference]: Without dead ends: 1490 [2020-09-21 12:32:26,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:32:26,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-09-21 12:32:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1484. [2020-09-21 12:32:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-09-21 12:32:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1957 transitions. [2020-09-21 12:32:26,201 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1957 transitions. Word has length 228 [2020-09-21 12:32:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:26,202 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 1957 transitions. [2020-09-21 12:32:26,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:32:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1957 transitions. [2020-09-21 12:32:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-21 12:32:26,209 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:26,209 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:26,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:32:26,210 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:26,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:26,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1563530486, now seen corresponding path program 1 times [2020-09-21 12:32:26,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:26,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45499087] [2020-09-21 12:32:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:26,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-21 12:32:27,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:32:27,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 12:32:27,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-21 12:32:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:27,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:27,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:27,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:27,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:27,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:32:27,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:27,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:27,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:27,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:27,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:27,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:27,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:32:27,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:32:27,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 12:32:27,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:27,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:32:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:27,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:27,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:27,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 12:32:27,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:27,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-09-21 12:32:27,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 12:32:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:28,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45499087] [2020-09-21 12:32:28,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:28,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:28,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155311032] [2020-09-21 12:32:28,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:28,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:28,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:28,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:28,005 INFO L87 Difference]: Start difference. First operand 1484 states and 1957 transitions. Second operand 7 states. [2020-09-21 12:32:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:29,450 INFO L93 Difference]: Finished difference Result 2994 states and 3973 transitions. [2020-09-21 12:32:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:32:29,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2020-09-21 12:32:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:29,460 INFO L225 Difference]: With dead ends: 2994 [2020-09-21 12:32:29,461 INFO L226 Difference]: Without dead ends: 1516 [2020-09-21 12:32:29,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:32:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-09-21 12:32:29,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1355. [2020-09-21 12:32:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2020-09-21 12:32:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1758 transitions. [2020-09-21 12:32:29,519 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1758 transitions. Word has length 257 [2020-09-21 12:32:29,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:29,520 INFO L479 AbstractCegarLoop]: Abstraction has 1355 states and 1758 transitions. [2020-09-21 12:32:29,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1758 transitions. [2020-09-21 12:32:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-09-21 12:32:29,527 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:29,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:29,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:32:29,528 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:29,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:29,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1149072459, now seen corresponding path program 1 times [2020-09-21 12:32:29,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:29,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894202870] [2020-09-21 12:32:29,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:29,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:30,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:30,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:30,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-21 12:32:30,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:30,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:32:30,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:30,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:30,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-09-21 12:32:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:32:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:30,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:30,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:30,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:30,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:30,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:30,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:30,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:30,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:30,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:32:30,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:30,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:32:30,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:30,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 12:32:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:30,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:30,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:30,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 12:32:30,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 12:32:30,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 12:32:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-09-21 12:32:31,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894202870] [2020-09-21 12:32:31,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:31,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:31,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312051501] [2020-09-21 12:32:31,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:31,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:31,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:31,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:31,098 INFO L87 Difference]: Start difference. First operand 1355 states and 1758 transitions. Second operand 5 states. [2020-09-21 12:32:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:32,033 INFO L93 Difference]: Finished difference Result 2577 states and 3319 transitions. [2020-09-21 12:32:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:32,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2020-09-21 12:32:32,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:32,039 INFO L225 Difference]: With dead ends: 2577 [2020-09-21 12:32:32,039 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:32:32,045 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 12:32:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:32:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:32:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:32:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:32:32,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2020-09-21 12:32:32,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:32,047 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:32:32,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:32:32,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:32:32,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:32:32,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:32:32,540 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2020-09-21 12:32:32,775 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2020-09-21 12:32:33,104 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 47 [2020-09-21 12:32:33,261 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-09-21 12:32:33,421 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-09-21 12:32:33,427 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:33,427 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 12:32:33,427 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 12:32:33,428 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 12:32:33,429 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 12:32:33,430 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:32:33,431 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 12:32:33,432 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 12:32:33,432 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 12:32:33,432 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 12:32:33,432 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2020-09-21 12:32:33,432 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 12:32:33,432 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:32:33,433 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 12:32:33,434 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 12:32:33,435 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 12:32:33,436 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:32:33,436 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:32:33,436 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:32:33,436 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:32:33,436 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:32:33,436 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,437 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:32:33,438 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,439 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 12:32:33,440 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 12:32:33,441 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:32:33,442 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:32:33,443 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 12:32:33,444 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,445 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:32:33,446 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:32:33,447 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 12:32:33,447 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 12:32:33,447 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2))) (and (or .cse0 (not (<= |old(~a10~0)| 2))) (or (not (<= 4 |old(~a10~0)|)) .cse0) (or (not (<= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse1 (<= ~a19~0 6) .cse2) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0))) (or (not (= 9 |old(~a19~0)|)) .cse0)))) [2020-09-21 12:32:33,447 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 12:32:33,447 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,448 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:32:33,449 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,450 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:32:33,451 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 12:32:33,452 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:33,453 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:32:33,454 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 12:32:33,455 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 12:32:33,455 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 12:32:33,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:33,455 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9)) [2020-09-21 12:32:33,455 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:32:33,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:33,456 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|))) [2020-09-21 12:32:33,456 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:32:33,456 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 4 ~a10~0) (not (= 9 |old(~a19~0)|)) (<= ~a10~0 2) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (<= 0 (+ ~a1~0 12)) (<= 6 ~a19~0) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (<= ~a19~0 6))) [2020-09-21 12:32:33,456 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:32:33,456 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 12:32:33,456 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 4 ~a10~0) (not (= 9 |old(~a19~0)|)) (<= ~a10~0 2) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (<= 0 (+ ~a1~0 12)) (<= 6 ~a19~0) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (<= ~a19~0 6))) [2020-09-21 12:32:33,457 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:32:33,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:32:33 BoogieIcfgContainer [2020-09-21 12:32:33,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:32:33,484 INFO L168 Benchmark]: Toolchain (without parser) took 29668.71 ms. Allocated memory was 139.5 MB in the beginning and 653.8 MB in the end (delta: 514.3 MB). Free memory was 101.1 MB in the beginning and 522.5 MB in the end (delta: -421.4 MB). Peak memory consumption was 472.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:33,485 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:32:33,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.97 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 100.4 MB in the beginning and 171.7 MB in the end (delta: -71.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:33,487 INFO L168 Benchmark]: Boogie Preprocessor took 117.09 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 166.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:33,487 INFO L168 Benchmark]: RCFGBuilder took 1702.72 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.8 MB in the beginning and 182.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:33,489 INFO L168 Benchmark]: TraceAbstraction took 26958.41 ms. Allocated memory was 237.5 MB in the beginning and 653.8 MB in the end (delta: 416.3 MB). Free memory was 181.4 MB in the beginning and 522.5 MB in the end (delta: -341.1 MB). Peak memory consumption was 455.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:33,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 874.97 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 100.4 MB in the beginning and 171.7 MB in the end (delta: -71.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.09 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 166.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1702.72 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.8 MB in the beginning and 182.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26958.41 ms. Allocated memory was 237.5 MB in the beginning and 653.8 MB in the end (delta: 416.3 MB). Free memory was 181.4 MB in the beginning and 522.5 MB in the end (delta: -341.1 MB). Peak memory consumption was 455.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: ((((4 <= a10 || !(9 == \old(a19))) || a10 <= 2) || a19 == 9) || !(0 == \old(a10))) || (((((0 <= a1 + 12 && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.4s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 209 SDtfs, 2804 SDslu, 214 SDs, 0 SdLazy, 5659 SolverSat, 850 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1484occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 241 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 61 PreInvPairs, 87 NumberOfFragments, 222 HoareAnnotationTreeSize, 61 FomulaSimplifications, 85527 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1949 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 1590 NumberOfCodeBlocks, 1590 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1582 ConstructedInterpolants, 0 QuantifiedInterpolants, 1186857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 951/961 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...