/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:30:53,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:30:53,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:30:54,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:30:54,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:30:54,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:30:54,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:30:54,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:30:54,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:30:54,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:30:54,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:30:54,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:30:54,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:30:54,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:30:54,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:30:54,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:30:54,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:30:54,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:30:54,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:30:54,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:30:54,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:30:54,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:30:54,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:30:54,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:30:54,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:30:54,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:30:54,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:30:54,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:30:54,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:30:54,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:30:54,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:30:54,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:30:54,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:30:54,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:30:54,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:30:54,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:30:54,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:30:54,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:30:54,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:30:54,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:30:54,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:30:54,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:30:54,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:30:54,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:30:54,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:30:54,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:30:54,116 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:30:54,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:30:54,116 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:30:54,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:30:54,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:30:54,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:30:54,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:30:54,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:30:54,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:30:54,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:30:54,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:30:54,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:30:54,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:30:54,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:30:54,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:30:54,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:30:54,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:30:54,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:54,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:30:54,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:30:54,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:30:54,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:30:54,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:30:54,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:30:54,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:30:54,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:30:54,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:30:54,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:30:54,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:30:54,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:30:54,626 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:30:54,628 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-09-21 12:30:54,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e33d92ebd/ba2661c97cd84e90a69d8ae3473ee4b0/FLAG606db2618 [2020-09-21 12:30:55,350 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:30:55,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-09-21 12:30:55,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e33d92ebd/ba2661c97cd84e90a69d8ae3473ee4b0/FLAG606db2618 [2020-09-21 12:30:55,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e33d92ebd/ba2661c97cd84e90a69d8ae3473ee4b0 [2020-09-21 12:30:55,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:30:55,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:30:55,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:55,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:30:55,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:30:55,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:55" (1/1) ... [2020-09-21 12:30:55,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347c51ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:55, skipping insertion in model container [2020-09-21 12:30:55,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:55" (1/1) ... [2020-09-21 12:30:55,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:30:55,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:30:56,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:56,285 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:30:56,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:56,431 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:30:56,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56 WrapperNode [2020-09-21 12:30:56,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:56,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:30:56,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:30:56,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:30:56,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... [2020-09-21 12:30:56,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:30:56,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:30:56,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:30:56,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:30:56,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:30:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:30:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:30:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:30:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:30:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:30:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:30:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:30:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:30:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:30:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:30:57,968 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:30:57,968 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:30:57,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:57 BoogieIcfgContainer [2020-09-21 12:30:57,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:30:57,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:30:57,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:30:57,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:30:57,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:30:55" (1/3) ... [2020-09-21 12:30:57,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f35b330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:57, skipping insertion in model container [2020-09-21 12:30:57,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:56" (2/3) ... [2020-09-21 12:30:57,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f35b330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:57, skipping insertion in model container [2020-09-21 12:30:57,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:57" (3/3) ... [2020-09-21 12:30:57,987 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label04.c [2020-09-21 12:30:57,999 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:30:58,009 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:30:58,032 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:30:58,065 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:30:58,066 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:30:58,066 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:30:58,066 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:30:58,066 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:30:58,066 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:30:58,066 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:30:58,066 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:30:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 12:30:58,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-21 12:30:58,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:58,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:58,106 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:58,113 INFO L82 PathProgramCache]: Analyzing trace with hash -460870769, now seen corresponding path program 1 times [2020-09-21 12:30:58,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:58,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112110987] [2020-09-21 12:30:58,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:58,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:58,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:30:58,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-09-21 12:30:58,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:30:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:30:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:30:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:30:58,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:59,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:30:59,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:59,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112110987] [2020-09-21 12:30:59,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:59,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:30:59,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143624347] [2020-09-21 12:30:59,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:30:59,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:59,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:30:59,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:30:59,113 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-21 12:31:00,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:00,732 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-09-21 12:31:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:00,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-09-21 12:31:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:00,756 INFO L225 Difference]: With dead ends: 581 [2020-09-21 12:31:00,757 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:00,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:00,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:00,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-21 12:31:00,852 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 72 [2020-09-21 12:31:00,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:00,853 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-21 12:31:00,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:31:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-21 12:31:00,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 12:31:00,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:00,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:00,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:31:00,863 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:00,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:00,864 INFO L82 PathProgramCache]: Analyzing trace with hash -76041575, now seen corresponding path program 1 times [2020-09-21 12:31:00,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:00,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500337050] [2020-09-21 12:31:00,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:01,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-21 12:31:01,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-21 12:31:01,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 12:31:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:31:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:31:02,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:02,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:02,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:31:02,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 12:31:02,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:02,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:02,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 12:31:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:02,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500337050] [2020-09-21 12:31:02,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:02,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:02,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845567827] [2020-09-21 12:31:02,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:02,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:02,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:02,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:02,280 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 5 states. [2020-09-21 12:31:03,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:03,338 INFO L93 Difference]: Finished difference Result 601 states and 914 transitions. [2020-09-21 12:31:03,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:03,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-09-21 12:31:03,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:03,349 INFO L225 Difference]: With dead ends: 601 [2020-09-21 12:31:03,349 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:03,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:03,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 446 transitions. [2020-09-21 12:31:03,379 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 446 transitions. Word has length 145 [2020-09-21 12:31:03,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:03,380 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 446 transitions. [2020-09-21 12:31:03,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 446 transitions. [2020-09-21 12:31:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 12:31:03,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:03,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:03,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:31:03,388 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:03,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:03,389 INFO L82 PathProgramCache]: Analyzing trace with hash -731121555, now seen corresponding path program 1 times [2020-09-21 12:31:03,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:03,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898495062] [2020-09-21 12:31:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:03,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:04,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:04,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 12:31:04,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:04,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 766 [2020-09-21 12:31:04,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 12:31:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 12:31:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:04,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:04,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:04,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:04,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:04,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:04,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:04,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:04,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:04,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:04,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:04,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:04,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:04,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:31:04,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:04,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 12:31:04,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:04,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:31:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:04,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898495062] [2020-09-21 12:31:04,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:04,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:04,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907589262] [2020-09-21 12:31:04,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:04,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:04,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:04,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:04,541 INFO L87 Difference]: Start difference. First operand 296 states and 446 transitions. Second operand 5 states. [2020-09-21 12:31:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:05,445 INFO L93 Difference]: Finished difference Result 615 states and 924 transitions. [2020-09-21 12:31:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:05,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-09-21 12:31:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:05,449 INFO L225 Difference]: With dead ends: 615 [2020-09-21 12:31:05,450 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:05,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:05,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:05,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 444 transitions. [2020-09-21 12:31:05,474 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 444 transitions. Word has length 151 [2020-09-21 12:31:05,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:05,474 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 444 transitions. [2020-09-21 12:31:05,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 444 transitions. [2020-09-21 12:31:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 12:31:05,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:05,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:05,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:31:05,481 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:05,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:05,481 INFO L82 PathProgramCache]: Analyzing trace with hash -181046758, now seen corresponding path program 1 times [2020-09-21 12:31:05,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:05,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655007908] [2020-09-21 12:31:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:05,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:06,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:06,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 12:31:06,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:31:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 12:31:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:31:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:06,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:06,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:06,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:31:06,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-21 12:31:06,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:06,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:06,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:06,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:31:06,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:06,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 12:31:06,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:31:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:06,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655007908] [2020-09-21 12:31:06,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:06,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:06,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262569484] [2020-09-21 12:31:06,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:06,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:06,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:06,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:06,849 INFO L87 Difference]: Start difference. First operand 296 states and 444 transitions. Second operand 5 states. [2020-09-21 12:31:07,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:07,840 INFO L93 Difference]: Finished difference Result 608 states and 913 transitions. [2020-09-21 12:31:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:07,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-09-21 12:31:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:07,844 INFO L225 Difference]: With dead ends: 608 [2020-09-21 12:31:07,844 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:07,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:07,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 442 transitions. [2020-09-21 12:31:07,884 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 442 transitions. Word has length 154 [2020-09-21 12:31:07,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:07,888 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 442 transitions. [2020-09-21 12:31:07,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 442 transitions. [2020-09-21 12:31:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-21 12:31:07,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:07,892 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:07,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:31:07,893 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:07,893 INFO L82 PathProgramCache]: Analyzing trace with hash 889835914, now seen corresponding path program 1 times [2020-09-21 12:31:07,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:07,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025560926] [2020-09-21 12:31:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:08,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:08,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:08,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-21 12:31:08,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:31:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-21 12:31:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:31:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:09,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:09,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:09,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:09,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:09,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:09,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:09,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:09,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:09,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:09,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:31:09,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:09,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 12:31:09,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 12:31:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:09,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025560926] [2020-09-21 12:31:09,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:09,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:09,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478271618] [2020-09-21 12:31:09,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:09,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:09,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:09,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:09,203 INFO L87 Difference]: Start difference. First operand 296 states and 442 transitions. Second operand 5 states. [2020-09-21 12:31:10,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:10,483 INFO L93 Difference]: Finished difference Result 737 states and 1110 transitions. [2020-09-21 12:31:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:10,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-09-21 12:31:10,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:10,489 INFO L225 Difference]: With dead ends: 737 [2020-09-21 12:31:10,489 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:10,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:10,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:10,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 428 transitions. [2020-09-21 12:31:10,507 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 428 transitions. Word has length 162 [2020-09-21 12:31:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:10,512 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 428 transitions. [2020-09-21 12:31:10,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 428 transitions. [2020-09-21 12:31:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-21 12:31:10,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:10,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:10,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:31:10,517 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:10,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:10,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1894756602, now seen corresponding path program 1 times [2020-09-21 12:31:10,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:10,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388719474] [2020-09-21 12:31:10,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:10,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:10,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:11,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:11,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:31:11,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:31:11,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-09-21 12:31:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:31:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:11,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:11,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:11,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:11,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:11,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:11,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:11,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:11,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:11,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:31:11,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 12:31:11,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 12:31:11,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:11,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388719474] [2020-09-21 12:31:11,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:11,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:11,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351250468] [2020-09-21 12:31:11,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:11,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:11,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:11,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:11,977 INFO L87 Difference]: Start difference. First operand 296 states and 428 transitions. Second operand 5 states. [2020-09-21 12:31:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:12,900 INFO L93 Difference]: Finished difference Result 609 states and 882 transitions. [2020-09-21 12:31:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:12,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-21 12:31:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:12,905 INFO L225 Difference]: With dead ends: 609 [2020-09-21 12:31:12,905 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:12,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:12,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 426 transitions. [2020-09-21 12:31:12,920 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 426 transitions. Word has length 170 [2020-09-21 12:31:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:12,921 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 426 transitions. [2020-09-21 12:31:12,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 426 transitions. [2020-09-21 12:31:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-21 12:31:12,924 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:12,924 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:12,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:31:12,925 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:12,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:12,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1754078051, now seen corresponding path program 1 times [2020-09-21 12:31:12,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:12,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839622983] [2020-09-21 12:31:12,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:13,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:13,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:13,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:14,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:14,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-21 12:31:14,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:31:14,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-09-21 12:31:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:31:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:14,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:14,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:14,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:14,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:14,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:14,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:14,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:14,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:14,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:14,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:14,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:14,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:14,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:14,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:14,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 12:31:14,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:14,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-21 12:31:14,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 12:31:14,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:14,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839622983] [2020-09-21 12:31:14,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:14,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:14,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619267844] [2020-09-21 12:31:14,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:14,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:14,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:14,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:14,465 INFO L87 Difference]: Start difference. First operand 296 states and 426 transitions. Second operand 5 states. [2020-09-21 12:31:15,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:15,533 INFO L93 Difference]: Finished difference Result 606 states and 875 transitions. [2020-09-21 12:31:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:15,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2020-09-21 12:31:15,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:15,537 INFO L225 Difference]: With dead ends: 606 [2020-09-21 12:31:15,538 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:15,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 424 transitions. [2020-09-21 12:31:15,560 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 424 transitions. Word has length 191 [2020-09-21 12:31:15,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:15,560 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 424 transitions. [2020-09-21 12:31:15,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 424 transitions. [2020-09-21 12:31:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-21 12:31:15,566 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:15,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:15,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:31:15,567 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:15,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1604522862, now seen corresponding path program 1 times [2020-09-21 12:31:15,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:15,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178323684] [2020-09-21 12:31:15,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:15,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:15,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:16,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:16,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-09-21 12:31:16,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:16,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:31:16,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-21 12:31:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:31:16,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:16,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:16,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:16,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:16,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:16,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:16,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:16,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:16,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:16,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:16,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:16,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 12:31:16,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:16,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-21 12:31:16,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-21 12:31:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:17,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178323684] [2020-09-21 12:31:17,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:17,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:17,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487167839] [2020-09-21 12:31:17,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:17,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:17,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:17,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:17,078 INFO L87 Difference]: Start difference. First operand 296 states and 424 transitions. Second operand 5 states. [2020-09-21 12:31:17,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:17,934 INFO L93 Difference]: Finished difference Result 605 states and 870 transitions. [2020-09-21 12:31:17,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:17,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2020-09-21 12:31:17,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:17,937 INFO L225 Difference]: With dead ends: 605 [2020-09-21 12:31:17,937 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:17,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:17,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:17,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 422 transitions. [2020-09-21 12:31:17,952 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 422 transitions. Word has length 192 [2020-09-21 12:31:17,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:17,952 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 422 transitions. [2020-09-21 12:31:17,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 422 transitions. [2020-09-21 12:31:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-21 12:31:17,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:17,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:17,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:31:17,955 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:17,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:17,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1846169418, now seen corresponding path program 1 times [2020-09-21 12:31:17,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:17,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250211888] [2020-09-21 12:31:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:18,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:19,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:19,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 12:31:19,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-09-21 12:31:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-09-21 12:31:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:31:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:19,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:19,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:19,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:31:19,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:19,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:19,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:19,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:19,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 12:31:19,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 12:31:19,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 12:31:19,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:19,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250211888] [2020-09-21 12:31:19,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:19,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:19,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699218550] [2020-09-21 12:31:19,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:19,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:19,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:19,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:19,413 INFO L87 Difference]: Start difference. First operand 296 states and 422 transitions. Second operand 5 states. [2020-09-21 12:31:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:20,318 INFO L93 Difference]: Finished difference Result 610 states and 871 transitions. [2020-09-21 12:31:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:20,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-09-21 12:31:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:20,321 INFO L225 Difference]: With dead ends: 610 [2020-09-21 12:31:20,321 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:20,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:20,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 420 transitions. [2020-09-21 12:31:20,336 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 420 transitions. Word has length 194 [2020-09-21 12:31:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:20,336 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 420 transitions. [2020-09-21 12:31:20,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 420 transitions. [2020-09-21 12:31:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-09-21 12:31:20,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:20,338 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:20,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:31:20,339 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:20,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:20,339 INFO L82 PathProgramCache]: Analyzing trace with hash 413315697, now seen corresponding path program 1 times [2020-09-21 12:31:20,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:20,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973118833] [2020-09-21 12:31:20,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:20,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:20,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:20,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-21 12:31:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:31:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-21 12:31:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:31:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:21,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:21,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:21,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:21,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:21,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:21,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:21,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:21,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 12:31:21,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-21 12:31:21,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 12:31:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:21,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973118833] [2020-09-21 12:31:21,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:21,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:21,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422922407] [2020-09-21 12:31:21,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:21,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:21,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:21,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:21,729 INFO L87 Difference]: Start difference. First operand 296 states and 420 transitions. Second operand 5 states. [2020-09-21 12:31:22,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:22,626 INFO L93 Difference]: Finished difference Result 604 states and 861 transitions. [2020-09-21 12:31:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:22,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2020-09-21 12:31:22,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:22,630 INFO L225 Difference]: With dead ends: 604 [2020-09-21 12:31:22,630 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:22,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:22,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:22,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 418 transitions. [2020-09-21 12:31:22,642 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 418 transitions. Word has length 197 [2020-09-21 12:31:22,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:22,643 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 418 transitions. [2020-09-21 12:31:22,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 418 transitions. [2020-09-21 12:31:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-21 12:31:22,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:22,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:22,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:31:22,645 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:22,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1500909314, now seen corresponding path program 1 times [2020-09-21 12:31:22,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:22,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048840126] [2020-09-21 12:31:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:22,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:22,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-21 12:31:23,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:31:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-09-21 12:31:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:31:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:23,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:23,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:23,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:31:23,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:23,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:23,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:23,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-21 12:31:23,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-21 12:31:23,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 12:31:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:24,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048840126] [2020-09-21 12:31:24,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:24,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:24,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320267207] [2020-09-21 12:31:24,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:24,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:24,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:24,071 INFO L87 Difference]: Start difference. First operand 296 states and 418 transitions. Second operand 5 states. [2020-09-21 12:31:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:27,013 INFO L93 Difference]: Finished difference Result 455 states and 643 transitions. [2020-09-21 12:31:27,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:27,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-09-21 12:31:27,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:27,014 INFO L225 Difference]: With dead ends: 455 [2020-09-21 12:31:27,015 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:31:27,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:31:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:31:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:31:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:31:27,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2020-09-21 12:31:27,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:27,018 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:31:27,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:31:27,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:31:27,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:31:27,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:31:27,453 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-09-21 12:31:27,616 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-09-21 12:31:28,218 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2020-09-21 12:31:28,362 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-09-21 12:31:28,508 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-09-21 12:31:28,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:28,512 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 12:31:28,512 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:28,513 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 12:31:28,513 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,513 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,513 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,514 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,514 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,514 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,514 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 12:31:28,514 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 12:31:28,515 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:31:28,515 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:31:28,515 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:31:28,515 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:31:28,515 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:31:28,515 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,516 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 12:31:28,517 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 12:31:28,518 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 12:31:28,519 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 12:31:28,520 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 12:31:28,521 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,522 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 12:31:28,523 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 12:31:28,524 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:31:28,525 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,526 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:31:28,527 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 12:31:28,528 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 12:31:28,529 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 12:31:28,530 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 12:31:28,531 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a10~0 |old(~a10~0)|))) (let ((.cse4 (not (= |old(~a10~0)| 1))) (.cse7 (not (<= |old(~a1~0)| 33))) (.cse8 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse0 (not (= 6 |old(~a19~0)|))) (.cse2 (and .cse9 (= ~a19~0 6) .cse10)) (.cse5 (and .cse9 (= ~a19~0 |old(~a19~0)|) .cse10)) (.cse1 (not (= 14 ~a4~0))) (.cse11 (not (= 2 |old(~a10~0)|))) (.cse6 (not (= 7 |old(~a19~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or (not (<= (+ |old(~a1~0)| 551894) 0)) .cse0 .cse1 (not (= 0 |old(~a10~0)|)) .cse2 .cse3) (or (not (<= 221 |old(~a1~0)|)) .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse5 (not (= 8 |old(~a19~0)|))) (or (not (<= 9 |old(~a19~0)|)) .cse5) (or .cse4 .cse5 .cse1 .cse7 .cse6 .cse8 .cse3) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) .cse1 .cse7 (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse9 (<= ~a19~0 6) .cse10) .cse8 .cse3 (not (<= |old(~a10~0)| 3))) (or .cse0 (not (<= (+ |old(~a1~0)| 333899) 0)) .cse1 .cse2 (not (= 4 |old(~a10~0)|)) .cse3) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a1~0)| 206)) .cse5 .cse1 .cse11 .cse6 .cse3) (or (not (<= |old(~a1~0)| 6)) .cse5 .cse1 .cse11 (not (<= 0 |old(~a1~0)|)) .cse6 .cse3)))) [2020-09-21 12:31:28,531 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 12:31:28,531 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 12:31:28,531 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 12:31:28,531 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:31:28,532 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 12:31:28,533 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 12:31:28,534 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 12:31:28,535 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 12:31:28,536 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 12:31:28,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:28,538 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 9 ~a19~0) [2020-09-21 12:31:28,538 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:31:28,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:28,538 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)|))) [2020-09-21 12:31:28,538 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:31:28,538 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (= ~a10~0 1)) (.cse2 (= 7 ~a19~0)) (.cse6 (= ~a10~0 2)) (.cse0 (<= 0 (+ ~a1~0 12))) (.cse4 (<= ~a1~0 33)) (.cse3 (= 14 ~a4~0)) (.cse5 (= ~a12~0 0)) (.cse7 (= ~a19~0 6))) (or (= ~a19~0 8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 9 |old(~a19~0)|)) (and .cse2 .cse3 .cse6 .cse5 (<= 117 ~a1~0) (<= ~a1~0 206)) (<= 9 ~a19~0) (and .cse3 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse5 .cse7) (and .cse1 .cse2 .cse3 .cse5 (<= 221 ~a1~0)) (and .cse2 .cse3 (<= 0 ~a1~0) .cse6 .cse5 (<= ~a1~0 6)) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse3 .cse4 .cse5 (<= ~a19~0 6) (<= ~a10~0 3)) (and (<= (+ ~a1~0 333899) 0) .cse3 .cse5 .cse7 (= ~a10~0 4)))) [2020-09-21 12:31:28,539 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:31:28,539 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 12:31:28,539 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (= ~a10~0 1)) (.cse2 (= 7 ~a19~0)) (.cse6 (= ~a10~0 2)) (.cse0 (<= 0 (+ ~a1~0 12))) (.cse4 (<= ~a1~0 33)) (.cse3 (= 14 ~a4~0)) (.cse5 (= ~a12~0 0)) (.cse7 (= ~a19~0 6))) (or (= ~a19~0 8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 9 |old(~a19~0)|)) (and .cse2 .cse3 .cse6 .cse5 (<= 117 ~a1~0) (<= ~a1~0 206)) (<= 9 ~a19~0) (and .cse3 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse5 .cse7) (and .cse1 .cse2 .cse3 .cse5 (<= 221 ~a1~0)) (and .cse2 .cse3 (<= 0 ~a1~0) .cse6 .cse5 (<= ~a1~0 6)) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse3 .cse4 .cse5 (<= ~a19~0 6) (<= ~a10~0 3)) (and (<= (+ ~a1~0 333899) 0) .cse3 .cse5 .cse7 (= ~a10~0 4)))) [2020-09-21 12:31:28,539 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:31:28,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:31:28 BoogieIcfgContainer [2020-09-21 12:31:28,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:31:28,568 INFO L168 Benchmark]: Toolchain (without parser) took 32972.44 ms. Allocated memory was 137.4 MB in the beginning and 617.6 MB in the end (delta: 480.2 MB). Free memory was 99.4 MB in the beginning and 218.3 MB in the end (delta: -119.0 MB). Peak memory consumption was 361.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:28,569 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:31:28,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.18 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.7 MB in the beginning and 167.3 MB in the end (delta: -68.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:28,570 INFO L168 Benchmark]: Boogie Preprocessor took 115.91 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 162.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:28,571 INFO L168 Benchmark]: RCFGBuilder took 1427.11 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 162.9 MB in the beginning and 178.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:28,572 INFO L168 Benchmark]: TraceAbstraction took 30588.11 ms. Allocated memory was 231.2 MB in the beginning and 617.6 MB in the end (delta: 386.4 MB). Free memory was 178.0 MB in the beginning and 218.3 MB in the end (delta: -40.3 MB). Peak memory consumption was 346.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:28,576 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.18 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.7 MB in the beginning and 167.3 MB in the end (delta: -68.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.91 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 162.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1427.11 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 162.9 MB in the beginning and 178.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30588.11 ms. Allocated memory was 231.2 MB in the beginning and 617.6 MB in the end (delta: 386.4 MB). Free memory was 178.0 MB in the beginning and 218.3 MB in the end (delta: -40.3 MB). Peak memory consumption was 346.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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 || (((((0 <= a1 + 12 && a10 == 1) && 7 == a19) && 14 == a4) && a1 <= 33) && a12 == 0)) || !(9 <= \old(a19))) || (((((7 == a19 && 14 == a4) && a10 == 2) && a12 == 0) && 117 <= a1) && a1 <= 206)) || 9 <= a19) || ((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6)) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || (((((7 == a19 && 14 == a4) && 0 <= a1) && a10 == 2) && a12 == 0) && a1 <= 6)) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 265 SDtfs, 1999 SDslu, 198 SDs, 0 SdLazy, 6410 SolverSat, 308 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 60 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 39 PreInvPairs, 63 NumberOfFragments, 631 HoareAnnotationTreeSize, 39 FomulaSimplifications, 141316 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 492 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 1826 NumberOfCodeBlocks, 1826 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1815 ConstructedInterpolants, 0 QuantifiedInterpolants, 832845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 640/650 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...