/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:30:58,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:30:58,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:30:58,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:30:58,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:30:58,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:30:58,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:30:58,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:30:58,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:30:58,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:30:58,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:30:58,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:30:58,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:30:58,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:30:58,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:30:58,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:30:58,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:30:58,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:30:58,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:30:58,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:30:58,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:30:58,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:30:58,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:30:58,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:30:58,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:30:58,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:30:58,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:30:58,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:30:58,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:30:58,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:30:58,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:30:58,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:30:58,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:30:58,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:30:58,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:30:58,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:30:58,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:30:58,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:30:58,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:30:58,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:30:58,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:30:58,549 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 [2020-10-14 02:30:58,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:30:58,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:30:58,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:30:58,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:30:58,597 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:30:58,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:30:58,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:30:58,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:30:58,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:30:58,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:30:58,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:30:58,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:30:58,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:30:58,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:30:58,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:30:58,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:30:58,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:30:58,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:30:58,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:30:58,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:30:58,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:30:58,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:30:58,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:30:58,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:30:58,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:30:58,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:30:58,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:30:58,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:30:58,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:30:58,604 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:30:58,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:30:58,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:30:58,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:30:58,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:30:58,914 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:30:58,914 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label33.c [2020-10-14 02:30:58,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fe8f8db7/e07d10e2345f487fa9d1a22b5e37ae66/FLAG6e41f49aa [2020-10-14 02:30:59,571 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:30:59,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label33.c [2020-10-14 02:30:59,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fe8f8db7/e07d10e2345f487fa9d1a22b5e37ae66/FLAG6e41f49aa [2020-10-14 02:30:59,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fe8f8db7/e07d10e2345f487fa9d1a22b5e37ae66 [2020-10-14 02:30:59,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:30:59,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:30:59,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:30:59,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:30:59,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:30:59,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:59" (1/1) ... [2020-10-14 02:30:59,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad15a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:59, skipping insertion in model container [2020-10-14 02:30:59,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:59" (1/1) ... [2020-10-14 02:30:59,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:30:59,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:31:00,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:31:00,347 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:31:00,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:31:00,573 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:31:00,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00 WrapperNode [2020-10-14 02:31:00,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:31:00,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:31:00,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:31:00,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:31:00,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (1/1) ... [2020-10-14 02:31:00,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:31:00,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:31:00,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:31:00,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:31:00,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (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 [2020-10-14 02:31:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:31:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:31:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:31:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:31:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:31:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:31:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:31:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:31:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:31:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:31:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:31:02,032 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:31:02,032 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:31:02,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:31:02 BoogieIcfgContainer [2020-10-14 02:31:02,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:31:02,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:31:02,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:31:02,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:31:02,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:30:59" (1/3) ... [2020-10-14 02:31:02,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc07a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:31:02, skipping insertion in model container [2020-10-14 02:31:02,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:00" (2/3) ... [2020-10-14 02:31:02,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc07a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:31:02, skipping insertion in model container [2020-10-14 02:31:02,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:31:02" (3/3) ... [2020-10-14 02:31:02,050 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label33.c [2020-10-14 02:31:02,061 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:31:02,070 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:31:02,086 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:31:02,114 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:31:02,114 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:31:02,114 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:31:02,114 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:31:02,115 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:31:02,115 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:31:02,115 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:31:02,115 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:31:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 02:31:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 02:31:02,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:02,150 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] [2020-10-14 02:31:02,150 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:02,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:02,158 INFO L82 PathProgramCache]: Analyzing trace with hash -878124393, now seen corresponding path program 1 times [2020-10-14 02:31:02,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:02,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542750188] [2020-10-14 02:31:02,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:02,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:02,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:02,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 02:31:02,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:02,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-14 02:31:02,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:02,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:31:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:31:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 02:31:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:31:02,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:02,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:02,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:02,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:02,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:02,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 02:31:02,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:02,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:31:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:02,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542750188] [2020-10-14 02:31:02,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:31:02,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:31:02,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390348861] [2020-10-14 02:31:02,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:31:02,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:02,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:31:02,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:31:02,955 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 02:31:04,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:04,466 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-10-14 02:31:04,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:04,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-10-14 02:31:04,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:04,485 INFO L225 Difference]: With dead ends: 596 [2020-10-14 02:31:04,485 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 02:31:04,493 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 [2020-10-14 02:31:04,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 02:31:04,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 02:31:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 02:31:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-10-14 02:31:04,591 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 50 [2020-10-14 02:31:04,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:04,592 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-10-14 02:31:04,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:31:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-10-14 02:31:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 02:31:04,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:04,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:04,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:31:04,599 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:04,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:04,600 INFO L82 PathProgramCache]: Analyzing trace with hash -558558894, now seen corresponding path program 1 times [2020-10-14 02:31:04,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:04,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062922752] [2020-10-14 02:31:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:04,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:05,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:05,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:05,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 02:31:05,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:05,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 984 [2020-10-14 02:31:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:05,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:31:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 02:31:05,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:05,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:05,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:05,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:31:05,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:05,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:05,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:05,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:31:05,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 02:31:05,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:05,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:31:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:05,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062922752] [2020-10-14 02:31:05,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:05,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:31:05,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119974317] [2020-10-14 02:31:05,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:31:05,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:05,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:31:05,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:31:05,907 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 5 states. [2020-10-14 02:31:07,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:07,072 INFO L93 Difference]: Finished difference Result 884 states and 1304 transitions. [2020-10-14 02:31:07,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:07,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-14 02:31:07,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:07,081 INFO L225 Difference]: With dead ends: 884 [2020-10-14 02:31:07,081 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 02:31:07,083 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 [2020-10-14 02:31:07,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 02:31:07,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-14 02:31:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-14 02:31:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 821 transitions. [2020-10-14 02:31:07,122 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 821 transitions. Word has length 124 [2020-10-14 02:31:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:07,123 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 821 transitions. [2020-10-14 02:31:07,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:31:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 821 transitions. [2020-10-14 02:31:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 02:31:07,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:07,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:07,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:31:07,127 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:07,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:07,128 INFO L82 PathProgramCache]: Analyzing trace with hash -659749739, now seen corresponding path program 1 times [2020-10-14 02:31:07,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:07,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788640896] [2020-10-14 02:31:07,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:07,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:07,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:07,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 02:31:07,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:31:07,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-14 02:31:07,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:07,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 02:31:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 02:31:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:07,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:07,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:07,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:07,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:31:07,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:07,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:07,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:07,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:07,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 02:31:07,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 02:31:07,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:07,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 02:31:07,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:07,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788640896] [2020-10-14 02:31:07,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:07,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:31:07,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612056431] [2020-10-14 02:31:07,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:31:07,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:07,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:31:07,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:31:07,832 INFO L87 Difference]: Start difference. First operand 588 states and 821 transitions. Second operand 5 states. [2020-10-14 02:31:09,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:09,016 INFO L93 Difference]: Finished difference Result 1464 states and 2085 transitions. [2020-10-14 02:31:09,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:09,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-14 02:31:09,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:09,026 INFO L225 Difference]: With dead ends: 1464 [2020-10-14 02:31:09,027 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 02:31:09,029 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 [2020-10-14 02:31:09,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 02:31:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-14 02:31:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-14 02:31:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 794 transitions. [2020-10-14 02:31:09,081 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 794 transitions. Word has length 129 [2020-10-14 02:31:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:09,083 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 794 transitions. [2020-10-14 02:31:09,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:31:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 794 transitions. [2020-10-14 02:31:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 02:31:09,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:09,091 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:09,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:31:09,092 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:09,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:09,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1212394402, now seen corresponding path program 1 times [2020-10-14 02:31:09,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:09,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753795405] [2020-10-14 02:31:09,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:09,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:09,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:10,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:10,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 02:31:10,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:10,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1468 [2020-10-14 02:31:10,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:10,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 02:31:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 02:31:10,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 02:31:10,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:10,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:10,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:10,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:10,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 02:31:10,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:10,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:31:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:10,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:10,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 02:31:10,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 02:31:10,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:10,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 02:31:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:10,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753795405] [2020-10-14 02:31:10,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:10,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:31:10,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273783044] [2020-10-14 02:31:10,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:31:10,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:10,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:31:10,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:31:10,887 INFO L87 Difference]: Start difference. First operand 588 states and 794 transitions. Second operand 5 states. [2020-10-14 02:31:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:12,091 INFO L93 Difference]: Finished difference Result 1754 states and 2409 transitions. [2020-10-14 02:31:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:12,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-14 02:31:12,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:12,101 INFO L225 Difference]: With dead ends: 1754 [2020-10-14 02:31:12,101 INFO L226 Difference]: Without dead ends: 1172 [2020-10-14 02:31:12,103 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 [2020-10-14 02:31:12,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-10-14 02:31:12,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 737. [2020-10-14 02:31:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-14 02:31:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 960 transitions. [2020-10-14 02:31:12,134 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 960 transitions. Word has length 148 [2020-10-14 02:31:12,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:12,134 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 960 transitions. [2020-10-14 02:31:12,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:31:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 960 transitions. [2020-10-14 02:31:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 02:31:12,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:12,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:12,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:31:12,138 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:12,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:12,139 INFO L82 PathProgramCache]: Analyzing trace with hash 853808325, now seen corresponding path program 1 times [2020-10-14 02:31:12,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:12,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608178948] [2020-10-14 02:31:12,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:12,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:12,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:13,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 02:31:13,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1541 [2020-10-14 02:31:13,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:13,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 02:31:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 02:31:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:13,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:13,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:13,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:13,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:13,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:13,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:31:13,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:13,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:13,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:13,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:13,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:13,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 02:31:13,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 02:31:13,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:13,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 02:31:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:14,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608178948] [2020-10-14 02:31:14,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:14,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:31:14,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795402322] [2020-10-14 02:31:14,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:31:14,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:14,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:31:14,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:31:14,040 INFO L87 Difference]: Start difference. First operand 737 states and 960 transitions. Second operand 6 states. [2020-10-14 02:31:15,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:15,720 INFO L93 Difference]: Finished difference Result 2050 states and 2730 transitions. [2020-10-14 02:31:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:31:15,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2020-10-14 02:31:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:15,730 INFO L225 Difference]: With dead ends: 2050 [2020-10-14 02:31:15,731 INFO L226 Difference]: Without dead ends: 1029 [2020-10-14 02:31:15,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:31:15,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-14 02:31:15,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 882. [2020-10-14 02:31:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-14 02:31:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1172 transitions. [2020-10-14 02:31:15,771 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1172 transitions. Word has length 169 [2020-10-14 02:31:15,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:15,772 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1172 transitions. [2020-10-14 02:31:15,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:31:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1172 transitions. [2020-10-14 02:31:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 02:31:15,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:15,777 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:31:15,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:31:15,777 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:15,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:15,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1264418115, now seen corresponding path program 1 times [2020-10-14 02:31:15,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:15,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832427534] [2020-10-14 02:31:15,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:15,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:15,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:16,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:17,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:19,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:19,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 02:31:19,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:31:19,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3642 [2020-10-14 02:31:19,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:19,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:19,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:19,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:31:19,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:31:19,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:19,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:19,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:19,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:19,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:19,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:19,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:31:19,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:19,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:19,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:19,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:19,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:19,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:19,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:31:19,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:19,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 02:31:19,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:19,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:31:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:19,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 02:31:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:19,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:19,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:19,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:31:19,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:19,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 02:31:19,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:19,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:31:19,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:19,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832427534] [2020-10-14 02:31:19,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:19,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:19,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212840950] [2020-10-14 02:31:19,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:19,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:19,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:19,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:19,835 INFO L87 Difference]: Start difference. First operand 882 states and 1172 transitions. Second operand 7 states. [2020-10-14 02:31:21,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:21,176 INFO L93 Difference]: Finished difference Result 2352 states and 3210 transitions. [2020-10-14 02:31:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:31:21,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-10-14 02:31:21,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:21,188 INFO L225 Difference]: With dead ends: 2352 [2020-10-14 02:31:21,189 INFO L226 Difference]: Without dead ends: 1476 [2020-10-14 02:31:21,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:31:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2020-10-14 02:31:21,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1182. [2020-10-14 02:31:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-10-14 02:31:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1530 transitions. [2020-10-14 02:31:21,250 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1530 transitions. Word has length 206 [2020-10-14 02:31:21,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:21,251 INFO L479 AbstractCegarLoop]: Abstraction has 1182 states and 1530 transitions. [2020-10-14 02:31:21,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1530 transitions. [2020-10-14 02:31:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 02:31:21,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:21,256 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:21,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:31:21,257 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash 73135921, now seen corresponding path program 1 times [2020-10-14 02:31:21,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:21,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095900776] [2020-10-14 02:31:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:21,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:22,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:26,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:26,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-14 02:31:26,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:31:26,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 02:31:26,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:26,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 02:31:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:31:26,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:26,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:26,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:31:26,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:26,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:26,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:26,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 02:31:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 02:31:26,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:26,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 02:31:26,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:26,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 02:31:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:26,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:26,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:26,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:31:26,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:26,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 02:31:26,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:26,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:26,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:26,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:26,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:31:26,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:26,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095900776] [2020-10-14 02:31:26,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:26,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:26,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076772768] [2020-10-14 02:31:26,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:26,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:26,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:26,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:26,731 INFO L87 Difference]: Start difference. First operand 1182 states and 1530 transitions. Second operand 7 states. [2020-10-14 02:31:28,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:28,005 INFO L93 Difference]: Finished difference Result 2954 states and 3793 transitions. [2020-10-14 02:31:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:31:28,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-14 02:31:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:28,016 INFO L225 Difference]: With dead ends: 2954 [2020-10-14 02:31:28,016 INFO L226 Difference]: Without dead ends: 1778 [2020-10-14 02:31:28,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:31:28,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-10-14 02:31:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1188. [2020-10-14 02:31:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-10-14 02:31:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1539 transitions. [2020-10-14 02:31:28,063 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1539 transitions. Word has length 228 [2020-10-14 02:31:28,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:28,064 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1539 transitions. [2020-10-14 02:31:28,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1539 transitions. [2020-10-14 02:31:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-14 02:31:28,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:28,069 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:31:28,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:31:28,069 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:28,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:28,070 INFO L82 PathProgramCache]: Analyzing trace with hash 84232760, now seen corresponding path program 1 times [2020-10-14 02:31:28,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:28,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244143353] [2020-10-14 02:31:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-14 02:31:29,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1267 [2020-10-14 02:31:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:29,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 02:31:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:31:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:29,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:29,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:29,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:29,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:29,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:31:29,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:29,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:29,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:29,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:29,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:29,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:29,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 02:31:29,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 02:31:29,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:29,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 02:31:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:29,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 02:31:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:29,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:29,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:31:29,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:29,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 02:31:29,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:29,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:29,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:29,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:29,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:31:29,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:29,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244143353] [2020-10-14 02:31:29,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:29,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:29,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113746798] [2020-10-14 02:31:29,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:29,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:29,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:29,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:29,864 INFO L87 Difference]: Start difference. First operand 1188 states and 1539 transitions. Second operand 7 states. [2020-10-14 02:31:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:33,799 INFO L93 Difference]: Finished difference Result 2682 states and 3518 transitions. [2020-10-14 02:31:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:31:33,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-14 02:31:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:33,801 INFO L225 Difference]: With dead ends: 2682 [2020-10-14 02:31:33,801 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:31:33,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:31:33,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:31:33,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:31:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:31:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:31:33,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2020-10-14 02:31:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:33,808 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:31:33,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:31:33,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:31:33,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:31:33,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:31:34,572 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2020-10-14 02:31:34,728 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:31:34,729 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)|)) [2020-10-14 02:31:34,729 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:31:34,729 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 02:31:34,729 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,729 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,729 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,729 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 02:31:34,730 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,731 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 02:31:34,732 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 02:31:34,733 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,734 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 02:31:34,735 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 02:31:34,736 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 02:31:34,737 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,738 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 02:31:34,739 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 02:31:34,740 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 02:31:34,741 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,742 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 02:31:34,743 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 02:31:34,744 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 02:31:34,745 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 02:31:34,746 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 02:31:34,747 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a19~0)| 6))) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse0 (not (= 9 |old(~a19~0)|))) (or .cse0 (not (= 2 |old(~a10~0)|))) (or (= 7 |old(~a19~0)|) .cse0 (not (= 0 |old(~a10~0)|))))) [2020-10-14 02:31:34,747 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 02:31:34,747 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 02:31:34,747 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 02:31:34,747 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,747 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 02:31:34,748 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 02:31:34,749 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 02:31:34,750 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 02:31:34,751 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,752 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 02:31:34,753 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 02:31:34,754 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 02:31:34,754 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 02:31:34,754 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 02:31:34,754 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 02:31:34,754 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 02:31:34,754 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:31:34,755 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-14 02:31:34,755 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:31:34,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:31:34,755 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 (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|))) [2020-10-14 02:31:34,755 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:31:34,755 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (= ~a19~0 8) (= ~a10~0 1) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) (not (= 7 ~a19~0))) (<= ~a19~0 6)) [2020-10-14 02:31:34,755 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 02:31:34,756 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 02:31:34,756 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (= ~a19~0 8) (= ~a10~0 1) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) (not (= 7 ~a19~0))) (<= ~a19~0 6)) [2020-10-14 02:31:34,756 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:31:34,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:31:34 BoogieIcfgContainer [2020-10-14 02:31:34,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:31:34,783 INFO L168 Benchmark]: Toolchain (without parser) took 34981.37 ms. Allocated memory was 147.8 MB in the beginning and 675.8 MB in the end (delta: 528.0 MB). Free memory was 102.9 MB in the beginning and 266.9 MB in the end (delta: -164.0 MB). Peak memory consumption was 363.9 MB. Max. memory is 7.1 GB. [2020-10-14 02:31:34,784 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 02:31:34,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.39 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.7 MB in the beginning and 174.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-10-14 02:31:34,786 INFO L168 Benchmark]: Boogie Preprocessor took 114.89 ms. Allocated memory is still 207.1 MB. Free memory was 174.0 MB in the beginning and 169.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:31:34,787 INFO L168 Benchmark]: RCFGBuilder took 1349.52 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 169.2 MB in the beginning and 180.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-10-14 02:31:34,788 INFO L168 Benchmark]: TraceAbstraction took 32739.87 ms. Allocated memory was 238.6 MB in the beginning and 675.8 MB in the end (delta: 437.3 MB). Free memory was 180.5 MB in the beginning and 266.9 MB in the end (delta: -86.4 MB). Peak memory consumption was 350.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:31:34,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.39 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.7 MB in the beginning and 174.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.89 ms. Allocated memory is still 207.1 MB. Free memory was 174.0 MB in the beginning and 169.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1349.52 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 169.2 MB in the beginning and 180.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32739.87 ms. Allocated memory was 238.6 MB in the beginning and 675.8 MB in the end (delta: 437.3 MB). Free memory was 180.5 MB in the beginning and 266.9 MB in the end (delta: -86.4 MB). Peak memory consumption was 350.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 136]: 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: (((((((a19 == 8 || a10 == 1) || a10 == 2) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || a19 == 9) || !(0 == \old(a10))) || (a10 == 0 && !(7 == a19))) || a19 <= 6 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.6s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 205 SDtfs, 3113 SDslu, 219 SDs, 0 SdLazy, 6164 SolverSat, 912 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1188occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1478 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 92 NumberOfFragments, 231 HoareAnnotationTreeSize, 60 FomulaSimplifications, 25479 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1085 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 1301 NumberOfCodeBlocks, 1301 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 470523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 658/668 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...