/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:46:38,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:46:38,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:46:38,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:46:38,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:46:38,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:46:38,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:46:38,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:46:38,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:46:38,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:46:38,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:46:38,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:46:38,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:46:38,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:46:38,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:46:38,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:46:38,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:46:38,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:46:38,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:46:38,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:46:38,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:46:38,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:46:38,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:46:38,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:46:38,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:46:38,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:46:38,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:46:38,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:46:38,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:46:38,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:46:38,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:46:38,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:46:38,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:46:38,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:46:38,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:46:38,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:46:38,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:46:38,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:46:38,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:46:38,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:46:38,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:46:38,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:46:38,857 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:46:38,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:46:38,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:46:38,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:46:38,859 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:46:38,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:46:38,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:46:38,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:46:38,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:46:38,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:46:38,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:46:38,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:46:38,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:46:38,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:46:38,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:46:38,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:46:38,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:46:38,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:46:38,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:46:38,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:46:38,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:46:38,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:46:38,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:46:38,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:46:38,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:46:38,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:46:38,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:46:38,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:46:38,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:46:38,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:46:39,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:46:39,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:46:39,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:46:39,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:46:39,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:46:39,181 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label02.c [2020-10-14 00:46:39,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64d01bdd/eeefc5eef6d345be9cd5604b30e30d76/FLAG0c29a4f84 [2020-10-14 00:46:39,929 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:46:39,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label02.c [2020-10-14 00:46:39,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64d01bdd/eeefc5eef6d345be9cd5604b30e30d76/FLAG0c29a4f84 [2020-10-14 00:46:40,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64d01bdd/eeefc5eef6d345be9cd5604b30e30d76 [2020-10-14 00:46:40,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:46:40,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:46:40,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:46:40,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:46:40,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:46:40,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:46:40" (1/1) ... [2020-10-14 00:46:40,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b865e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:40, skipping insertion in model container [2020-10-14 00:46:40,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:46:40" (1/1) ... [2020-10-14 00:46:40,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:46:40,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:46:41,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:46:41,113 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:46:41,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:46:41,499 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:46:41,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41 WrapperNode [2020-10-14 00:46:41,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:46:41,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:46:41,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:46:41,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:46:41,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... [2020-10-14 00:46:41,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:46:41,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:46:41,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:46:41,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:46:41,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:46:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:46:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:46:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:46:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:46:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:46:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:46:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:46:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:46:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:46:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:46:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:46:44,052 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:46:44,052 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:46:44,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:46:44 BoogieIcfgContainer [2020-10-14 00:46:44,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:46:44,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:46:44,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:46:44,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:46:44,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:46:40" (1/3) ... [2020-10-14 00:46:44,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4ce589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:46:44, skipping insertion in model container [2020-10-14 00:46:44,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:41" (2/3) ... [2020-10-14 00:46:44,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4ce589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:46:44, skipping insertion in model container [2020-10-14 00:46:44,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:46:44" (3/3) ... [2020-10-14 00:46:44,083 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label02.c [2020-10-14 00:46:44,097 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:46:44,111 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:46:44,129 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:46:44,169 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:46:44,170 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:46:44,170 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:46:44,171 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:46:44,171 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:46:44,171 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:46:44,171 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:46:44,171 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:46:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 00:46:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-14 00:46:44,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:44,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:44,255 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:44,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:44,262 INFO L82 PathProgramCache]: Analyzing trace with hash 509661109, now seen corresponding path program 1 times [2020-10-14 00:46:44,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:44,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742789429] [2020-10-14 00:46:44,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:44,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:45,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 00:46:49,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:46:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4661 [2020-10-14 00:46:49,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:49,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:46:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:46:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-14 00:46:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:46:49,853 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:46:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:49,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:49,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:49,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:49,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 00:46:49,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:49,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:46:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:46:50,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742789429] [2020-10-14 00:46:50,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:46:50,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:46:50,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765070886] [2020-10-14 00:46:50,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:46:50,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:50,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:46:50,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:46:50,063 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 00:46:50,266 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:46:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:52,893 INFO L93 Difference]: Finished difference Result 884 states and 1536 transitions. [2020-10-14 00:46:52,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:52,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2020-10-14 00:46:52,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:52,915 INFO L225 Difference]: With dead ends: 884 [2020-10-14 00:46:52,916 INFO L226 Difference]: Without dead ends: 480 [2020-10-14 00:46:52,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:52,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-14 00:46:53,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 475. [2020-10-14 00:46:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-14 00:46:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 728 transitions. [2020-10-14 00:46:53,063 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 728 transitions. Word has length 210 [2020-10-14 00:46:53,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:53,064 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 728 transitions. [2020-10-14 00:46:53,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:46:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 728 transitions. [2020-10-14 00:46:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 00:46:53,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:53,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:53,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:46:53,070 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:53,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:53,071 INFO L82 PathProgramCache]: Analyzing trace with hash 415951314, now seen corresponding path program 1 times [2020-10-14 00:46:53,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:53,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196233265] [2020-10-14 00:46:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:53,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:54,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:55,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:56,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:56,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 00:46:56,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:46:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3062 [2020-10-14 00:46:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:56,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:46:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:46:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:56,442 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:46:56,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:56,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:56,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:46:56,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:56,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:56,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:56,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:56,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:46:56,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 00:46:56,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:56,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:46:56,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:46:56,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196233265] [2020-10-14 00:46:56,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:56,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:46:56,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296565714] [2020-10-14 00:46:56,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:46:56,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:56,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:46:56,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:56,657 INFO L87 Difference]: Start difference. First operand 475 states and 728 transitions. Second operand 5 states. [2020-10-14 00:46:56,854 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:46:59,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:59,480 INFO L93 Difference]: Finished difference Result 1385 states and 2157 transitions. [2020-10-14 00:46:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:59,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-10-14 00:46:59,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:59,490 INFO L225 Difference]: With dead ends: 1385 [2020-10-14 00:46:59,490 INFO L226 Difference]: Without dead ends: 916 [2020-10-14 00:46:59,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:46:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-14 00:46:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 897. [2020-10-14 00:46:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-10-14 00:46:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1348 transitions. [2020-10-14 00:46:59,545 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1348 transitions. Word has length 219 [2020-10-14 00:46:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:59,547 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1348 transitions. [2020-10-14 00:46:59,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:46:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1348 transitions. [2020-10-14 00:46:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-14 00:46:59,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:59,553 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:59,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:46:59,554 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:59,554 INFO L82 PathProgramCache]: Analyzing trace with hash 348266859, now seen corresponding path program 1 times [2020-10-14 00:46:59,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:59,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967732033] [2020-10-14 00:46:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:59,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:59,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:00,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:00,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:04,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:04,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-14 00:47:04,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 00:47:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 00:47:04,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:04,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:04,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:04,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 00:47:04,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-14 00:47:04,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:04,973 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:04,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:04,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:04,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:04,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:04,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:04,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:47:04,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:04,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:04,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:04,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:04,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:04,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:05,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:05,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:05,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:47:05,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:05,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:47:05,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:05,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:05,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:05,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:47:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:05,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:05,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:05,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:05,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:47:05,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:47:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 00:47:05,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:05,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:47:05,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 00:47:05,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967732033] [2020-10-14 00:47:05,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:05,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:05,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136374771] [2020-10-14 00:47:05,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:05,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:05,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:05,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:05,279 INFO L87 Difference]: Start difference. First operand 897 states and 1348 transitions. Second operand 5 states. [2020-10-14 00:47:05,676 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:47:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:08,498 INFO L93 Difference]: Finished difference Result 2634 states and 3991 transitions. [2020-10-14 00:47:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:08,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2020-10-14 00:47:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:08,506 INFO L225 Difference]: With dead ends: 2634 [2020-10-14 00:47:08,506 INFO L226 Difference]: Without dead ends: 900 [2020-10-14 00:47:08,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-14 00:47:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896. [2020-10-14 00:47:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-10-14 00:47:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1346 transitions. [2020-10-14 00:47:08,546 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1346 transitions. Word has length 229 [2020-10-14 00:47:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:08,546 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1346 transitions. [2020-10-14 00:47:08,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1346 transitions. [2020-10-14 00:47:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-14 00:47:08,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:08,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:08,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:47:08,551 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1008497822, now seen corresponding path program 1 times [2020-10-14 00:47:08,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:08,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399449427] [2020-10-14 00:47:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:08,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:08,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:09,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:13,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:13,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-14 00:47:13,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:47:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 00:47:13,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:13,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 00:47:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:47:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:13,849 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:13,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:13,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:13,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:13,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:47:13,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:13,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:47:13,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:13,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:13,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:47:13,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:47:13,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:13,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:13,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:47:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:13,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:13,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:47:13,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 00:47:13,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:13,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:47:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 00:47:14,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399449427] [2020-10-14 00:47:14,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:14,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:14,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84032284] [2020-10-14 00:47:14,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:14,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:14,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:14,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:14,094 INFO L87 Difference]: Start difference. First operand 896 states and 1346 transitions. Second operand 5 states. [2020-10-14 00:47:14,363 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:47:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:17,134 INFO L93 Difference]: Finished difference Result 2630 states and 4019 transitions. [2020-10-14 00:47:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:17,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2020-10-14 00:47:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:17,147 INFO L225 Difference]: With dead ends: 2630 [2020-10-14 00:47:17,148 INFO L226 Difference]: Without dead ends: 1740 [2020-10-14 00:47:17,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:17,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2020-10-14 00:47:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1733. [2020-10-14 00:47:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2020-10-14 00:47:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2565 transitions. [2020-10-14 00:47:17,207 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2565 transitions. Word has length 229 [2020-10-14 00:47:17,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:17,207 INFO L479 AbstractCegarLoop]: Abstraction has 1733 states and 2565 transitions. [2020-10-14 00:47:17,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2565 transitions. [2020-10-14 00:47:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-14 00:47:17,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:17,215 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:17,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:47:17,216 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:17,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:17,216 INFO L82 PathProgramCache]: Analyzing trace with hash 317519045, now seen corresponding path program 1 times [2020-10-14 00:47:17,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:17,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890764189] [2020-10-14 00:47:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:17,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:17,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:19,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:22,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 00:47:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:47:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:22,448 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:22,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:22,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:22,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:22,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:22,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:22,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:22,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:22,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:22,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:47:22,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:47:22,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:22,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:22,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:47:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:22,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:22,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:47:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 00:47:22,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890764189] [2020-10-14 00:47:22,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:22,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:22,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784747840] [2020-10-14 00:47:22,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:22,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:22,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:22,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:22,640 INFO L87 Difference]: Start difference. First operand 1733 states and 2565 transitions. Second operand 5 states. [2020-10-14 00:47:22,771 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:47:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:25,207 INFO L93 Difference]: Finished difference Result 5152 states and 7820 transitions. [2020-10-14 00:47:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:25,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-14 00:47:25,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:25,243 INFO L225 Difference]: With dead ends: 5152 [2020-10-14 00:47:25,244 INFO L226 Difference]: Without dead ends: 3425 [2020-10-14 00:47:25,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:25,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2020-10-14 00:47:25,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3418. [2020-10-14 00:47:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3418 states. [2020-10-14 00:47:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 3418 states and 4906 transitions. [2020-10-14 00:47:25,385 INFO L78 Accepts]: Start accepts. Automaton has 3418 states and 4906 transitions. Word has length 236 [2020-10-14 00:47:25,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:25,385 INFO L479 AbstractCegarLoop]: Abstraction has 3418 states and 4906 transitions. [2020-10-14 00:47:25,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:25,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3418 states and 4906 transitions. [2020-10-14 00:47:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-14 00:47:25,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:25,402 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:25,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:47:25,402 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:25,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:25,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1044248066, now seen corresponding path program 1 times [2020-10-14 00:47:25,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:25,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267662770] [2020-10-14 00:47:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:25,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:27,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:30,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-14 00:47:30,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:47:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4977 [2020-10-14 00:47:30,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:30,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 00:47:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:47:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:30,629 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:30,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:30,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:30,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:30,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:30,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:30,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:30,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:30,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:47:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:47:30,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:30,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:30,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:47:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:30,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:30,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:47:30,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:30,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 00:47:30,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:30,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 00:47:30,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:47:30,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267662770] [2020-10-14 00:47:30,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:30,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:30,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632295820] [2020-10-14 00:47:30,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:30,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:30,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:30,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:30,866 INFO L87 Difference]: Start difference. First operand 3418 states and 4906 transitions. Second operand 5 states. [2020-10-14 00:47:31,001 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:47:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:33,388 INFO L93 Difference]: Finished difference Result 10192 states and 15035 transitions. [2020-10-14 00:47:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:33,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2020-10-14 00:47:33,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:33,433 INFO L225 Difference]: With dead ends: 10192 [2020-10-14 00:47:33,433 INFO L226 Difference]: Without dead ends: 6780 [2020-10-14 00:47:33,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6780 states. [2020-10-14 00:47:33,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6780 to 6768. [2020-10-14 00:47:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2020-10-14 00:47:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 9569 transitions. [2020-10-14 00:47:33,737 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 9569 transitions. Word has length 249 [2020-10-14 00:47:33,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:33,738 INFO L479 AbstractCegarLoop]: Abstraction has 6768 states and 9569 transitions. [2020-10-14 00:47:33,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 9569 transitions. [2020-10-14 00:47:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-14 00:47:33,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:33,771 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:33,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:47:33,772 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:33,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:33,773 INFO L82 PathProgramCache]: Analyzing trace with hash 770083622, now seen corresponding path program 1 times [2020-10-14 00:47:33,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:33,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642768990] [2020-10-14 00:47:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:33,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:33,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:35,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:35,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:38,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-14 00:47:38,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:47:38,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 00:47:38,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:38,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:47:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:47:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:39,016 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:39,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:39,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:39,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:39,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:47:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:39,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:39,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:39,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:39,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:47:39,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:47:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:39,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:39,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 00:47:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 00:47:39,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:39,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 00:47:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:47:39,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642768990] [2020-10-14 00:47:39,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:39,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:39,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287538219] [2020-10-14 00:47:39,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:39,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:39,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:39,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:39,217 INFO L87 Difference]: Start difference. First operand 6768 states and 9569 transitions. Second operand 5 states. [2020-10-14 00:47:39,446 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:47:41,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:41,972 INFO L93 Difference]: Finished difference Result 16273 states and 23518 transitions. [2020-10-14 00:47:41,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:41,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 250 [2020-10-14 00:47:41,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:42,022 INFO L225 Difference]: With dead ends: 16273 [2020-10-14 00:47:42,023 INFO L226 Difference]: Without dead ends: 9511 [2020-10-14 00:47:42,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9511 states. [2020-10-14 00:47:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9511 to 9485. [2020-10-14 00:47:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9485 states. [2020-10-14 00:47:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9485 states to 9485 states and 13549 transitions. [2020-10-14 00:47:42,323 INFO L78 Accepts]: Start accepts. Automaton has 9485 states and 13549 transitions. Word has length 250 [2020-10-14 00:47:42,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:42,324 INFO L479 AbstractCegarLoop]: Abstraction has 9485 states and 13549 transitions. [2020-10-14 00:47:42,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 9485 states and 13549 transitions. [2020-10-14 00:47:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 00:47:42,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:42,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:42,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:47:42,356 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:42,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:42,356 INFO L82 PathProgramCache]: Analyzing trace with hash 826119075, now seen corresponding path program 1 times [2020-10-14 00:47:42,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:42,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900283050] [2020-10-14 00:47:42,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:42,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:42,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:44,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:44,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-14 00:47:44,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:47:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2042 [2020-10-14 00:47:44,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:44,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 00:47:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:47:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:44,725 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:44,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:44,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:44,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:44,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:47:44,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:44,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:44,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:44,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:44,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:44,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 00:47:44,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 00:47:44,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:44,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:44,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 00:47:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:47:45,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900283050] [2020-10-14 00:47:45,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:45,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:45,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197365164] [2020-10-14 00:47:45,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:45,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:45,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:45,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:45,022 INFO L87 Difference]: Start difference. First operand 9485 states and 13549 transitions. Second operand 5 states. [2020-10-14 00:47:45,153 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:47:47,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:47,611 INFO L93 Difference]: Finished difference Result 22939 states and 33226 transitions. [2020-10-14 00:47:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:47,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2020-10-14 00:47:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:47,679 INFO L225 Difference]: With dead ends: 22939 [2020-10-14 00:47:47,680 INFO L226 Difference]: Without dead ends: 13460 [2020-10-14 00:47:47,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13460 states. [2020-10-14 00:47:48,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13460 to 13456. [2020-10-14 00:47:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13456 states. [2020-10-14 00:47:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13456 states to 13456 states and 18348 transitions. [2020-10-14 00:47:48,036 INFO L78 Accepts]: Start accepts. Automaton has 13456 states and 18348 transitions. Word has length 255 [2020-10-14 00:47:48,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:48,037 INFO L479 AbstractCegarLoop]: Abstraction has 13456 states and 18348 transitions. [2020-10-14 00:47:48,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 13456 states and 18348 transitions. [2020-10-14 00:47:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-14 00:47:48,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:48,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:48,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:47:48,080 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:48,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:48,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1780898332, now seen corresponding path program 1 times [2020-10-14 00:47:48,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:48,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580153601] [2020-10-14 00:47:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:48,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:48,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:50,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:53,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 00:47:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-14 00:47:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:53,402 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:47:53,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:53,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:53,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:53,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:53,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:53,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:47:53,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:53,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:53,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:53,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:53,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:53,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:53,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:53,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:47:53,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:53,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:47:53,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:53,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:53,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:53,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:53,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:47:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:53,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:53,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 00:47:53,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 00:47:53,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:53,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 00:47:53,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:47:53,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580153601] [2020-10-14 00:47:53,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:53,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:53,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351528491] [2020-10-14 00:47:53,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:53,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:53,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:53,753 INFO L87 Difference]: Start difference. First operand 13456 states and 18348 transitions. Second operand 5 states. [2020-10-14 00:47:53,892 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:47:56,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:56,424 INFO L93 Difference]: Finished difference Result 36337 states and 50354 transitions. [2020-10-14 00:47:56,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:56,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2020-10-14 00:47:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:56,517 INFO L225 Difference]: With dead ends: 36337 [2020-10-14 00:47:56,517 INFO L226 Difference]: Without dead ends: 22887 [2020-10-14 00:47:56,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:47:56,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22887 states. [2020-10-14 00:47:57,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22887 to 22861. [2020-10-14 00:47:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22861 states. [2020-10-14 00:47:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22861 states to 22861 states and 31438 transitions. [2020-10-14 00:47:57,395 INFO L78 Accepts]: Start accepts. Automaton has 22861 states and 31438 transitions. Word has length 265 [2020-10-14 00:47:57,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:57,395 INFO L479 AbstractCegarLoop]: Abstraction has 22861 states and 31438 transitions. [2020-10-14 00:47:57,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 22861 states and 31438 transitions. [2020-10-14 00:47:57,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-14 00:47:57,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:57,468 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:47:57,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:47:57,468 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:57,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:57,469 INFO L82 PathProgramCache]: Analyzing trace with hash 728901871, now seen corresponding path program 1 times [2020-10-14 00:47:57,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:57,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14408475] [2020-10-14 00:47:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:59,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:48:02,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:48:02,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4864 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:48:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:48:02,603 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:48:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:48:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:48:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:48:02,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:48:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:48:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:48:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:48:02,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:48:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:48:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:48:02,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:48:02,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:48:02,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:48:02,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 00:48:02,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:48:02,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:48:02,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:48:02,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:48:02,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:48:02,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:48:02,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 00:48:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:48:02,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:48:02,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:48:02,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 00:48:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:48:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 00:48:02,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14408475] [2020-10-14 00:48:02,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:48:02,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:48:02,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218839689] [2020-10-14 00:48:02,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:48:02,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:48:02,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:48:02,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:48:02,889 INFO L87 Difference]: Start difference. First operand 22861 states and 31438 transitions. Second operand 5 states. [2020-10-14 00:48:03,023 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:48:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:48:05,514 INFO L93 Difference]: Finished difference Result 52829 states and 73519 transitions. [2020-10-14 00:48:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:48:05,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2020-10-14 00:48:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:48:05,516 INFO L225 Difference]: With dead ends: 52829 [2020-10-14 00:48:05,516 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:48:05,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:48:05,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:48:05,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:48:05,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:48:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:48:05,589 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 296 [2020-10-14 00:48:05,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:48:05,590 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:48:05,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:48:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:48:05,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:48:05,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:48:05,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:48:07,706 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 25 [2020-10-14 00:48:07,888 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 25 [2020-10-14 00:48:08,126 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 103 [2020-10-14 00:48:10,709 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 443 DAG size of output: 119 [2020-10-14 00:48:10,820 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:48:10,954 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:48:10,955 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:48:10,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,956 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,957 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,958 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 00:48:10,959 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,960 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,961 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,962 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,964 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:48:10,964 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:48:10,964 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 00:48:10,964 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 00:48:10,964 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,965 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,966 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,967 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 00:48:10,968 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,969 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a26~0 |old(~a26~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a6~0 |old(~a6~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|)) (.cse5 (= ~a29~0 |old(~a29~0)|)) (.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse29 (= ~a3~0 |old(~a3~0)|)) (.cse8 (= ~a0~0 |old(~a0~0)|)) (.cse9 (= ~a9~0 |old(~a9~0)|)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a5~0 |old(~a5~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a4~0 |old(~a4~0)|)) (.cse15 (= ~a2~0 |old(~a2~0)|)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse17 (= ~a14~0 |old(~a14~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|)) (.cse19 (= ~a23~0 |old(~a23~0)|)) (.cse20 (= ~a12~0 |old(~a12~0)|)) (.cse21 (= ~a15~0 |old(~a15~0)|)) (.cse22 (= ~a13~0 |old(~a13~0)|)) (.cse23 (= ~a24~0 |old(~a24~0)|)) (.cse24 (= ~a20~0 |old(~a20~0)|)) (.cse25 (= ~a22~0 |old(~a22~0)|)) (.cse26 (= ~a10~0 |old(~a10~0)|)) (.cse27 (= ~a27~0 |old(~a27~0)|))) (let ((.cse28 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse29 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27))) (and (or (= |old(~a12~0)| 1) (not (= 2 |old(~a3~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (= 2 ~a3~0) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27)) (or .cse28 (= ~a18~0 1)) (or .cse28 (not (= |old(~a3~0)| 1))) (or (not (<= 1 |old(~a27~0)|)) .cse28 (not (<= |old(~a27~0)| 1))) (or (not (= |old(~a26~0)| 1)) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse29 .cse8 .cse9 .cse10 .cse11 .cse12 (= ~a26~0 1) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27)) (or .cse28 (not (= |old(~a6~0)| 0))) (or .cse28 (= |old(~a11~0)| 1))))) [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:48:10,970 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,971 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,972 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,973 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,974 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,975 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1647) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,976 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,977 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,978 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:48:10,979 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,980 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 00:48:10,981 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,982 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,983 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,984 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= 1 ~a27~0) (not (= ~a12~0 1)) (= ~a11~0 0) (= ~a3~0 1) (<= ~a27~0 1)) [2020-10-14 00:48:10,985 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 00:48:10,985 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (= |old(~a12~0)| 1) (not (<= 1 |old(~a27~0)|)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a3~0)| 1)) (not (<= |old(~a27~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (<= 1 ~a27~0) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (<= ~a27~0 1)) (not (= |old(~a6~0)| 0))) [2020-10-14 00:48:10,986 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:48:10,986 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (or (= ~a6~0 0) (= |old(~a12~0)| 1) (and (not (= ~a12~0 1)) (= 2 ~a3~0)) (not (<= 1 |old(~a27~0)|)) (not (= ~a11~0 1)) (not (= |old(~a3~0)| 1)) (= ~a3~0 1) (and (<= 1 ~a27~0) (<= ~a27~0 1)) (not (= |old(~a6~0)| 0)) (not (= 0 |old(~a11~0)|)) (= ~a26~0 1) (not (= ~a18~0 1)) (not (<= |old(~a27~0)| 1))) [2020-10-14 00:48:10,986 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:48:10,986 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (or (= ~a6~0 0) (= |old(~a12~0)| 1) (and (not (= ~a12~0 1)) (= 2 ~a3~0)) (not (<= 1 |old(~a27~0)|)) (not (= ~a11~0 1)) (not (= |old(~a3~0)| 1)) (= ~a3~0 1) (and (<= 1 ~a27~0) (<= ~a27~0 1)) (not (= |old(~a6~0)| 0)) (not (= 0 |old(~a11~0)|)) (= ~a26~0 1) (not (= ~a18~0 1)) (not (<= |old(~a27~0)| 1))) [2020-10-14 00:48:11,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:48:11 BoogieIcfgContainer [2020-10-14 00:48:11,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:48:11,009 INFO L168 Benchmark]: Toolchain (without parser) took 90908.97 ms. Allocated memory was 147.3 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 98.2 MB in the beginning and 532.5 MB in the end (delta: -434.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-14 00:48:11,010 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 00:48:11,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1398.88 ms. Allocated memory was 147.3 MB in the beginning and 233.3 MB in the end (delta: 86.0 MB). Free memory was 98.2 MB in the beginning and 180.6 MB in the end (delta: -82.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:48:11,011 INFO L168 Benchmark]: Boogie Preprocessor took 269.05 ms. Allocated memory is still 233.3 MB. Free memory was 180.6 MB in the beginning and 170.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-10-14 00:48:11,012 INFO L168 Benchmark]: RCFGBuilder took 2300.36 ms. Allocated memory was 233.3 MB in the beginning and 266.3 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 205.6 MB in the end (delta: -36.8 MB). Peak memory consumption was 114.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:48:11,013 INFO L168 Benchmark]: TraceAbstraction took 86932.90 ms. Allocated memory was 266.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 205.6 MB in the beginning and 532.5 MB in the end (delta: -326.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-14 00:48:11,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1398.88 ms. Allocated memory was 147.3 MB in the beginning and 233.3 MB in the end (delta: 86.0 MB). Free memory was 98.2 MB in the beginning and 180.6 MB in the end (delta: -82.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 269.05 ms. Allocated memory is still 233.3 MB. Free memory was 180.6 MB in the beginning and 170.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2300.36 ms. Allocated memory was 233.3 MB in the beginning and 266.3 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 205.6 MB in the end (delta: -36.8 MB). Peak memory consumption was 114.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86932.90 ms. Allocated memory was 266.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 205.6 MB in the beginning and 532.5 MB in the end (delta: -326.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1647]: 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: 1658]: Loop Invariant Derived loop invariant: (((((((((((a6 == 0 || \old(a12) == 1) || (!(a12 == 1) && 2 == a3)) || !(1 <= \old(a27))) || !(a11 == 1)) || !(\old(a3) == 1)) || a3 == 1) || (1 <= a27 && a27 <= 1)) || !(\old(a6) == 0)) || !(0 == \old(a11))) || a26 == 1) || !(a18 == 1)) || !(\old(a27) <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 445 SDtfs, 3857 SDslu, 491 SDs, 0 SdLazy, 12427 SolverSat, 1534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22861occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 110 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 439 PreInvPairs, 735 NumberOfFragments, 1032 HoareAnnotationTreeSize, 439 FomulaSimplifications, 485200 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 23041 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 48.8s InterpolantComputationTime, 2438 NumberOfCodeBlocks, 2438 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2428 ConstructedInterpolants, 0 QuantifiedInterpolants, 2625494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 353/369 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...