/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/Problem02_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:44:42,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:44:42,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:44:42,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:44:42,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:44:42,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:44:42,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:44:42,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:44:42,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:44:42,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:44:42,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:44:42,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:44:42,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:44:42,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:44:42,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:44:42,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:44:42,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:44:42,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:44:42,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:44:42,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:44:42,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:44:42,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:44:42,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:44:42,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:44:42,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:44:42,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:44:42,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:44:42,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:44:42,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:44:42,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:44:42,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:44:42,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:44:42,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:44:42,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:44:42,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:44:42,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:44:42,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:44:42,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:44:42,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:44:42,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:44:42,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:44:42,804 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 00:44:42,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:44:42,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:44:42,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:44:42,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:44:42,830 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:44:42,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:44:42,831 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:44:42,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:44:42,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:44:42,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:44:42,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:44:42,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:44:42,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:44:42,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:44:42,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:44:42,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:44:42,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:44:42,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:44:42,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:44:42,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:44:42,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:44:42,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:44:42,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:44:42,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:44:42,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:44:42,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:44:42,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:44:42,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:44:42,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:44:42,835 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 00:44:43,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:44:43,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:44:43,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:44:43,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:44:43,149 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:44:43,149 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2020-10-14 00:44:43,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/251bf2bfc/d35a9a9528f0433da3ddcbdd6383628d/FLAG9707663fd [2020-10-14 00:44:43,887 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:44:43,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2020-10-14 00:44:43,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/251bf2bfc/d35a9a9528f0433da3ddcbdd6383628d/FLAG9707663fd [2020-10-14 00:44:44,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/251bf2bfc/d35a9a9528f0433da3ddcbdd6383628d [2020-10-14 00:44:44,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:44:44,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:44:44,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:44:44,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:44:44,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:44:44,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:44,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e37eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44, skipping insertion in model container [2020-10-14 00:44:44,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:44,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:44:44,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:44:44,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:44:44,653 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:44:44,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:44:44,952 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:44:44,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44 WrapperNode [2020-10-14 00:44:44,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:44:44,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:44:44,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:44:44,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:44:44,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:44,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:44,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:44,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:45,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:45,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:45,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (1/1) ... [2020-10-14 00:44:45,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:44:45,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:44:45,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:44:45,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:44:45,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (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 00:44:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:44:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:44:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:44:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:44:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:44:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:44:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:44:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:44:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:44:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:44:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:44:46,359 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:44:46,359 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:44:46,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:46 BoogieIcfgContainer [2020-10-14 00:44:46,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:44:46,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:44:46,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:44:46,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:44:46,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:44" (1/3) ... [2020-10-14 00:44:46,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:46, skipping insertion in model container [2020-10-14 00:44:46,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:44" (2/3) ... [2020-10-14 00:44:46,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:46, skipping insertion in model container [2020-10-14 00:44:46,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:46" (3/3) ... [2020-10-14 00:44:46,375 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2020-10-14 00:44:46,386 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:44:46,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:44:46,409 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:44:46,435 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:44:46,436 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:44:46,436 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:44:46,436 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:44:46,436 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:44:46,436 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:44:46,437 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:44:46,437 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:44:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 00:44:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 00:44:46,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:46,478 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] [2020-10-14 00:44:46,479 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:46,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:46,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1121979298, now seen corresponding path program 1 times [2020-10-14 00:44:46,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:46,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176901761] [2020-10-14 00:44:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:46,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:47,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:48,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:48,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 00:44:48,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:44:48,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1527 [2020-10-14 00:44:48,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:48,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:44:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:44:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-14 00:44:48,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:44:48,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:48,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:48,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:48,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:48,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:48,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:44:48,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:48,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:44:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:48,632 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 00:44:48,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176901761] [2020-10-14 00:44:48,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:44:48,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:44:48,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200336781] [2020-10-14 00:44:48,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:44:48,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:48,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:44:48,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:44:48,664 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-10-14 00:44:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:50,337 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-10-14 00:44:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:50,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2020-10-14 00:44:50,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:50,358 INFO L225 Difference]: With dead ends: 627 [2020-10-14 00:44:50,358 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 00:44:50,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 00:44:50,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-10-14 00:44:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-14 00:44:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 465 transitions. [2020-10-14 00:44:50,447 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 465 transitions. Word has length 146 [2020-10-14 00:44:50,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:50,448 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 465 transitions. [2020-10-14 00:44:50,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:44:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 465 transitions. [2020-10-14 00:44:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-14 00:44:50,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:50,455 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 00:44:50,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:44:50,455 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:50,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:50,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1806866058, now seen corresponding path program 1 times [2020-10-14 00:44:50,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:50,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660298813] [2020-10-14 00:44:50,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:50,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:50,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 00:44:51,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:44:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1452 [2020-10-14 00:44:51,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:51,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:44:51,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 00:44:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:52,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:44:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:52,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:52,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 00:44:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 00:44:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:52,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:44:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:52,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660298813] [2020-10-14 00:44:52,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:52,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:52,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868267606] [2020-10-14 00:44:52,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:52,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:52,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:52,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:52,157 INFO L87 Difference]: Start difference. First operand 319 states and 465 transitions. Second operand 5 states. [2020-10-14 00:44:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:53,476 INFO L93 Difference]: Finished difference Result 947 states and 1412 transitions. [2020-10-14 00:44:53,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:53,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-14 00:44:53,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:53,484 INFO L225 Difference]: With dead ends: 947 [2020-10-14 00:44:53,484 INFO L226 Difference]: Without dead ends: 634 [2020-10-14 00:44:53,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:53,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-14 00:44:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 617. [2020-10-14 00:44:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-14 00:44:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 864 transitions. [2020-10-14 00:44:53,532 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 864 transitions. Word has length 168 [2020-10-14 00:44:53,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:53,533 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 864 transitions. [2020-10-14 00:44:53,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 864 transitions. [2020-10-14 00:44:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-14 00:44:53,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:53,539 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:44:53,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:44:53,540 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:53,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:53,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1412924006, now seen corresponding path program 1 times [2020-10-14 00:44:53,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:53,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427802528] [2020-10-14 00:44:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:53,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:54,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:55,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:55,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 00:44:55,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:44:55,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2062 [2020-10-14 00:44:55,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:55,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:55,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 00:44:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 00:44:55,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:55,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:55,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:55,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:44:55,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:55,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:55,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:55,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:55,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 00:44:55,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 00:44:55,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:55,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:55,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:55,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:55,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 00:44:55,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:55,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427802528] [2020-10-14 00:44:55,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:55,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:55,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949544142] [2020-10-14 00:44:55,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:55,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:55,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:55,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:55,902 INFO L87 Difference]: Start difference. First operand 617 states and 864 transitions. Second operand 5 states. [2020-10-14 00:44:57,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:57,048 INFO L93 Difference]: Finished difference Result 1828 states and 2627 transitions. [2020-10-14 00:44:57,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:57,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-14 00:44:57,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:57,064 INFO L225 Difference]: With dead ends: 1828 [2020-10-14 00:44:57,064 INFO L226 Difference]: Without dead ends: 1217 [2020-10-14 00:44:57,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:57,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2020-10-14 00:44:57,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1206. [2020-10-14 00:44:57,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-10-14 00:44:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1669 transitions. [2020-10-14 00:44:57,148 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1669 transitions. Word has length 176 [2020-10-14 00:44:57,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:57,150 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1669 transitions. [2020-10-14 00:44:57,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1669 transitions. [2020-10-14 00:44:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 00:44:57,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:57,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:57,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:44:57,162 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:57,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:57,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1936433181, now seen corresponding path program 1 times [2020-10-14 00:44:57,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:57,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90097607] [2020-10-14 00:44:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:57,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:58,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:58,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 00:44:58,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:44:58,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1646 [2020-10-14 00:44:58,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:58,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:44:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:44:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 00:44:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 00:44:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:58,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:58,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:58,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:58,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:44:58,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:58,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:58,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:44:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:44:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:59,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:59,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:44:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:44:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:44:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:59,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90097607] [2020-10-14 00:44:59,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:44:59,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 00:44:59,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722475938] [2020-10-14 00:44:59,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:44:59,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:59,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:44:59,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:44:59,210 INFO L87 Difference]: Start difference. First operand 1206 states and 1669 transitions. Second operand 7 states. [2020-10-14 00:45:01,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:01,025 INFO L93 Difference]: Finished difference Result 3309 states and 4690 transitions. [2020-10-14 00:45:01,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 00:45:01,027 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-10-14 00:45:01,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:01,045 INFO L225 Difference]: With dead ends: 3309 [2020-10-14 00:45:01,045 INFO L226 Difference]: Without dead ends: 2109 [2020-10-14 00:45:01,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:45:01,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2020-10-14 00:45:01,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2101. [2020-10-14 00:45:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2020-10-14 00:45:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2793 transitions. [2020-10-14 00:45:01,165 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2793 transitions. Word has length 216 [2020-10-14 00:45:01,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:01,165 INFO L479 AbstractCegarLoop]: Abstraction has 2101 states and 2793 transitions. [2020-10-14 00:45:01,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:45:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2793 transitions. [2020-10-14 00:45:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-14 00:45:01,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:01,183 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 00:45:01,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:45:01,183 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:01,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1612243281, now seen corresponding path program 1 times [2020-10-14 00:45:01,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:01,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562012695] [2020-10-14 00:45:01,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:01,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:02,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:02,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-14 00:45:02,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:45:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1752 [2020-10-14 00:45:02,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:02,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 00:45:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:02,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:03,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:03,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:03,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:03,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:03,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:45:03,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:03,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:03,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:03,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:03,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:03,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 00:45:03,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 00:45:03,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:03,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 00:45:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 00:45:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:03,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:03,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:03,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:45:03,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:03,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 00:45:03,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:03,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:03,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:45:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:45:03,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562012695] [2020-10-14 00:45:03,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:03,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:45:03,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406285463] [2020-10-14 00:45:03,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:45:03,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:03,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:45:03,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:45:03,475 INFO L87 Difference]: Start difference. First operand 2101 states and 2793 transitions. Second operand 7 states. [2020-10-14 00:45:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:05,628 INFO L93 Difference]: Finished difference Result 4820 states and 6584 transitions. [2020-10-14 00:45:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:45:05,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 244 [2020-10-14 00:45:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:05,642 INFO L225 Difference]: With dead ends: 4820 [2020-10-14 00:45:05,642 INFO L226 Difference]: Without dead ends: 2130 [2020-10-14 00:45:05,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:45:05,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-14 00:45:05,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1816. [2020-10-14 00:45:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1816 states. [2020-10-14 00:45:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2253 transitions. [2020-10-14 00:45:05,710 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2253 transitions. Word has length 244 [2020-10-14 00:45:05,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:05,710 INFO L479 AbstractCegarLoop]: Abstraction has 1816 states and 2253 transitions. [2020-10-14 00:45:05,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:45:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2253 transitions. [2020-10-14 00:45:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-14 00:45:05,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:05,719 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:05,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:45:05,720 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:05,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:05,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1149889358, now seen corresponding path program 1 times [2020-10-14 00:45:05,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:05,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418179058] [2020-10-14 00:45:05,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:05,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:05,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:08,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:10,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:10,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-14 00:45:10,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:45:10,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4889 [2020-10-14 00:45:10,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:10,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 00:45:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:10,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:10,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:10,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:10,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:45:10,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:10,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:10,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:10,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:10,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:45:10,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:10,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:45:10,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:10,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:10,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:10,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:45:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:10,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 00:45:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 00:45:10,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:10,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:45:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:10,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 00:45:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:10,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:10,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:10,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:45:10,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 00:45:10,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:10,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:45:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:45:11,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418179058] [2020-10-14 00:45:11,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:11,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:45:11,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469860418] [2020-10-14 00:45:11,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:45:11,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:11,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:45:11,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:45:11,107 INFO L87 Difference]: Start difference. First operand 1816 states and 2253 transitions. Second operand 7 states. [2020-10-14 00:45:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:13,184 INFO L93 Difference]: Finished difference Result 3856 states and 5037 transitions. [2020-10-14 00:45:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:45:13,185 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 264 [2020-10-14 00:45:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:13,197 INFO L225 Difference]: With dead ends: 3856 [2020-10-14 00:45:13,197 INFO L226 Difference]: Without dead ends: 2192 [2020-10-14 00:45:13,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:45:13,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2020-10-14 00:45:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 2126. [2020-10-14 00:45:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2126 states. [2020-10-14 00:45:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 2604 transitions. [2020-10-14 00:45:13,277 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 2604 transitions. Word has length 264 [2020-10-14 00:45:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:13,278 INFO L479 AbstractCegarLoop]: Abstraction has 2126 states and 2604 transitions. [2020-10-14 00:45:13,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:45:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2604 transitions. [2020-10-14 00:45:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 00:45:13,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:13,286 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:13,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:45:13,287 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:13,287 INFO L82 PathProgramCache]: Analyzing trace with hash -77737946, now seen corresponding path program 1 times [2020-10-14 00:45:13,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:13,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433526554] [2020-10-14 00:45:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:13,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:16,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:18,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:18,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-14 00:45:18,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:45:18,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 00:45:18,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:18,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 00:45:18,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 00:45:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:18,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:18,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:45:18,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:18,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:18,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:18,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:45:18,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:18,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:45:18,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:18,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:18,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:45:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:18,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:18,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 00:45:18,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 00:45:18,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:18,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:45:18,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:18,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 00:45:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:18,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:18,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:18,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:45:18,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:18,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 00:45:18,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:18,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:45:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:45:18,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:18,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 00:45:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:18,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:18,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:45:18,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 00:45:18,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:18,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 00:45:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 154 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 00:45:18,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433526554] [2020-10-14 00:45:18,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:18,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 00:45:18,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18257120] [2020-10-14 00:45:18,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 00:45:18,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:18,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 00:45:18,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:45:18,795 INFO L87 Difference]: Start difference. First operand 2126 states and 2604 transitions. Second operand 8 states. [2020-10-14 00:45:20,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:20,187 INFO L93 Difference]: Finished difference Result 3488 states and 4226 transitions. [2020-10-14 00:45:20,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:45:20,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 273 [2020-10-14 00:45:20,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:20,196 INFO L225 Difference]: With dead ends: 3488 [2020-10-14 00:45:20,197 INFO L226 Difference]: Without dead ends: 1364 [2020-10-14 00:45:20,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:45:20,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-14 00:45:20,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1362. [2020-10-14 00:45:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2020-10-14 00:45:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1585 transitions. [2020-10-14 00:45:20,260 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1585 transitions. Word has length 273 [2020-10-14 00:45:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:20,261 INFO L479 AbstractCegarLoop]: Abstraction has 1362 states and 1585 transitions. [2020-10-14 00:45:20,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 00:45:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1585 transitions. [2020-10-14 00:45:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-14 00:45:20,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:20,273 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:20,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:45:20,274 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:20,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1922090231, now seen corresponding path program 1 times [2020-10-14 00:45:20,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:20,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117595480] [2020-10-14 00:45:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:20,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:25,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:25,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-14 00:45:25,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:45:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 00:45:25,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:25,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 00:45:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:25,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:25,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:25,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:25,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:25,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:25,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:45:25,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:25,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:25,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:25,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:25,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:25,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 00:45:25,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:25,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 00:45:25,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:25,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 00:45:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 00:45:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:25,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:25,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:25,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:45:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 00:45:25,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:25,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:45:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:45:25,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117595480] [2020-10-14 00:45:25,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:25,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:45:25,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020299876] [2020-10-14 00:45:25,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:45:25,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:25,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:45:25,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:45:25,723 INFO L87 Difference]: Start difference. First operand 1362 states and 1585 transitions. Second operand 7 states. [2020-10-14 00:45:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:26,830 INFO L93 Difference]: Finished difference Result 3024 states and 3563 transitions. [2020-10-14 00:45:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:45:26,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 293 [2020-10-14 00:45:26,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:26,840 INFO L225 Difference]: With dead ends: 3024 [2020-10-14 00:45:26,840 INFO L226 Difference]: Without dead ends: 1524 [2020-10-14 00:45:26,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:45:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2020-10-14 00:45:26,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1508. [2020-10-14 00:45:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2020-10-14 00:45:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1680 transitions. [2020-10-14 00:45:26,888 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1680 transitions. Word has length 293 [2020-10-14 00:45:26,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:26,888 INFO L479 AbstractCegarLoop]: Abstraction has 1508 states and 1680 transitions. [2020-10-14 00:45:26,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:45:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1680 transitions. [2020-10-14 00:45:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-14 00:45:26,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:26,896 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:26,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:45:26,896 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:26,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:26,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1105860681, now seen corresponding path program 1 times [2020-10-14 00:45:26,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:26,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107313677] [2020-10-14 00:45:26,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:27,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:31,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-14 00:45:31,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:45:31,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4214 [2020-10-14 00:45:31,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:31,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:45:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 00:45:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:31,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:31,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:31,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:31,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:31,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:45:31,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:31,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:31,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:31,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:31,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:31,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:31,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:45:31,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:31,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:45:31,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:31,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:45:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:31,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:45:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:31,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:45:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 00:45:31,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 00:45:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:45:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 00:45:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:31,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:31,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:45:31,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 00:45:31,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:31,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 00:45:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 175 proven. 83 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-14 00:45:31,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107313677] [2020-10-14 00:45:31,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:31,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:45:31,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123131139] [2020-10-14 00:45:31,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:45:31,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:31,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:45:31,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:45:31,502 INFO L87 Difference]: Start difference. First operand 1508 states and 1680 transitions. Second operand 7 states. [2020-10-14 00:45:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:32,723 INFO L93 Difference]: Finished difference Result 3174 states and 3586 transitions. [2020-10-14 00:45:32,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:45:32,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 323 [2020-10-14 00:45:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:32,730 INFO L225 Difference]: With dead ends: 3174 [2020-10-14 00:45:32,730 INFO L226 Difference]: Without dead ends: 1364 [2020-10-14 00:45:32,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:45:32,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-14 00:45:32,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1354. [2020-10-14 00:45:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1354 states. [2020-10-14 00:45:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1456 transitions. [2020-10-14 00:45:32,769 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1456 transitions. Word has length 323 [2020-10-14 00:45:32,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:32,770 INFO L479 AbstractCegarLoop]: Abstraction has 1354 states and 1456 transitions. [2020-10-14 00:45:32,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:45:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1456 transitions. [2020-10-14 00:45:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-14 00:45:32,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:32,775 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:32,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:45:32,776 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:32,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:32,776 INFO L82 PathProgramCache]: Analyzing trace with hash 724273390, now seen corresponding path program 1 times [2020-10-14 00:45:32,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:32,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800494873] [2020-10-14 00:45:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:33,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:33,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-14 00:45:33,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-14 00:45:33,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:33,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-10-14 00:45:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 00:45:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:33,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:33,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:33,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:33,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:33,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:45:33,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:33,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:33,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:33,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:33,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 00:45:33,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:45:33,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:33,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:33,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 00:45:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:33,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:33,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:33,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 00:45:33,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 00:45:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:33,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:33,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:33,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 00:45:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:33,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:33,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:45:33,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:45:33,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:33,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 00:45:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:45:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 00:45:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:33,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 00:45:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 00:45:33,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:33,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:45:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 00:45:33,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 00:45:33,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800494873] [2020-10-14 00:45:33,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:33,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:45:33,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248998961] [2020-10-14 00:45:33,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:45:33,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:33,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:45:33,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:45:33,906 INFO L87 Difference]: Start difference. First operand 1354 states and 1456 transitions. Second operand 7 states. [2020-10-14 00:45:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:35,005 INFO L93 Difference]: Finished difference Result 2409 states and 2634 transitions. [2020-10-14 00:45:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:45:35,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2020-10-14 00:45:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:35,007 INFO L225 Difference]: With dead ends: 2409 [2020-10-14 00:45:35,007 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:45:35,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:45:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:45:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:45:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:45:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:45:35,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2020-10-14 00:45:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:35,013 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:45:35,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:45:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:45:35,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:45:35,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:45:35,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:45:35,459 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-10-14 00:45:35,679 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-10-14 00:45:36,189 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 59 [2020-10-14 00:45:36,474 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2020-10-14 00:45:36,742 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2020-10-14 00:45:36,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:45:36,750 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 00:45:36,751 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:45:36,751 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,751 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,751 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,751 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,752 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,752 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 00:45:36,752 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 00:45:36,752 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 00:45:36,752 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 00:45:36,753 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 00:45:36,753 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 00:45:36,753 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 00:45:36,753 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 00:45:36,753 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 00:45:36,754 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 00:45:36,754 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:45:36,755 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,756 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 00:45:36,757 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 00:45:36,757 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 00:45:36,757 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 00:45:36,757 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 00:45:36,758 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 00:45:36,758 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 00:45:36,759 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:45:36,759 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:45:36,759 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 00:45:36,759 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 00:45:36,759 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 00:45:36,760 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:45:36,760 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:45:36,760 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 00:45:36,760 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,762 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,762 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 592) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:45:36,763 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 00:45:36,764 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 00:45:36,764 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 00:45:36,764 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 00:45:36,764 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 00:45:36,764 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,765 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 00:45:36,766 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 00:45:36,767 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 00:45:36,767 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 00:45:36,767 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 00:45:36,767 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 00:45:36,769 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 00:45:36,771 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 00:45:36,771 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,771 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,771 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,771 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,772 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,772 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 00:45:36,772 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 00:45:36,772 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 00:45:36,772 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 00:45:36,772 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 00:45:36,773 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 00:45:36,773 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 00:45:36,773 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 00:45:36,773 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 00:45:36,773 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 00:45:36,773 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 00:45:36,774 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 00:45:36,774 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 00:45:36,774 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:45:36,774 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 00:45:36,774 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:45:36,774 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,775 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,775 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,775 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,775 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 00:45:36,775 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,776 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:45:36,776 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,776 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 00:45:36,778 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 00:45:36,779 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 00:45:36,780 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,781 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 00:45:36,782 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 00:45:36,783 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 00:45:36,784 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,784 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,784 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,784 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse8 (= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (not (<= |old(~a11~0)| 1))) (.cse5 (not (<= 1 |old(~a11~0)|))) (.cse6 (and .cse0 .cse1 .cse2 .cse8 .cse3)) (.cse7 (not (= 8 |old(~a17~0)|)))) (and (or (and .cse0 (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse3) (not (<= |old(~a17~0)| 7)) (and (or .cse4 .cse5 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse4 (not (= |old(~a19~0)| |old(~a25~0)|)) .cse5))) (or (not (= |old(~a19~0)| 1)) .cse6 .cse7) (or (not (= |old(~a25~0)| 1)) (not (= 10 |old(~a28~0)|)) .cse7 (and .cse1 .cse8 (= ~a25~0 1) .cse3 (= ~a28~0 10))) (or (and .cse1 .cse2 .cse8 (= ~a28~0 8) .cse3) .cse7 (not (= 8 |old(~a28~0)|))) (or .cse4 .cse6 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse6 .cse7)))) [2020-10-14 00:45:36,784 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,784 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 00:45:36,785 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,786 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 00:45:36,787 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 00:45:36,788 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 00:45:36,789 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 00:45:36,790 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:45:36,791 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a17~0 8) (<= ~a28~0 7)) [2020-10-14 00:45:36,791 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:45:36,792 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:45:36,792 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-14 00:45:36,792 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= 1 ~a11~0)) (.cse3 (<= ~a11~0 1)) (.cse0 (= ~a17~0 8)) (.cse1 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|)))) (or (not (<= |old(~a28~0)| 7)) (and (= ~a19~0 1) .cse0 .cse1) (and .cse0 .cse1 (= ~a28~0 8)) (not (= |old(~a19~0)| 1)) (and .cse2 .cse3 .cse0 .cse1) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse0 (= ~a19~0 |old(~a19~0)|)) (and .cse0 (= ~a25~0 1) .cse1 (= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (and (or (and (= ~a25~0 ~a11~0) .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse1 (= ~a25~0 ~a19~0))) (<= ~a17~0 7)) (and .cse0 .cse1 (<= ~a28~0 7)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-14 00:45:36,792 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:45:36,792 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:45:36,792 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= 1 ~a11~0)) (.cse3 (<= ~a11~0 1)) (.cse0 (= ~a17~0 8)) (.cse1 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|)))) (or (not (<= |old(~a28~0)| 7)) (and (= ~a19~0 1) .cse0 .cse1) (and .cse0 .cse1 (= ~a28~0 8)) (not (= |old(~a19~0)| 1)) (and .cse2 .cse3 .cse0 .cse1) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse0 (= ~a19~0 |old(~a19~0)|)) (and .cse0 (= ~a25~0 1) .cse1 (= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (and (or (and (= ~a25~0 ~a11~0) .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse1 (= ~a25~0 ~a19~0))) (<= ~a17~0 7)) (and .cse0 .cse1 (<= ~a28~0 7)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-14 00:45:36,793 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 00:45:36,793 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 00:45:36,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:45:36 BoogieIcfgContainer [2020-10-14 00:45:36,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:45:36,856 INFO L168 Benchmark]: Toolchain (without parser) took 52769.89 ms. Allocated memory was 146.8 MB in the beginning and 1.0 GB in the end (delta: 880.8 MB). Free memory was 102.1 MB in the beginning and 229.6 MB in the end (delta: -127.5 MB). Peak memory consumption was 753.3 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:36,857 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:45:36,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.93 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 101.9 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:36,861 INFO L168 Benchmark]: Boogie Preprocessor took 133.24 ms. Allocated memory is still 206.6 MB. Free memory was 173.7 MB in the beginning and 168.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:36,865 INFO L168 Benchmark]: RCFGBuilder took 1279.16 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.3 MB in the beginning and 179.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:36,867 INFO L168 Benchmark]: TraceAbstraction took 50485.25 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 791.2 MB). Free memory was 177.8 MB in the beginning and 229.6 MB in the end (delta: -51.8 MB). Peak memory consumption was 739.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:36,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 863.93 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 101.9 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.24 ms. Allocated memory is still 206.6 MB. Free memory was 173.7 MB in the beginning and 168.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1279.16 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.3 MB in the beginning and 179.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 50485.25 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 791.2 MB). Free memory was 177.8 MB in the beginning and 229.6 MB in the end (delta: -51.8 MB). Peak memory consumption was 739.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 592]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(\old(a28) <= 7) || ((a19 == 1 && a17 == 8) && (\old(a11) <= 0 || 2 <= \old(a11)))) || ((a17 == 8 && (\old(a11) <= 0 || 2 <= \old(a11))) && a28 == 8)) || !(\old(a19) == 1)) || (((1 <= a11 && a11 <= 1) && a17 == 8) && (\old(a11) <= 0 || 2 <= \old(a11)))) || ((((a28 == \old(a28) && a11 == \old(a11)) && a25 == \old(a25)) && a17 == 8) && a19 == \old(a19))) || (((a17 == 8 && a25 == 1) && (\old(a11) <= 0 || 2 <= \old(a11))) && a28 == 10)) || !(8 == \old(a17))) || (((((a25 == a11 && 1 <= a11) && a11 <= 1) && (\old(a11) <= 0 || 2 <= \old(a11))) || (((1 <= a11 && a11 <= 1) && (\old(a11) <= 0 || 2 <= \old(a11))) && a25 == a19)) && a17 <= 7)) || ((a17 == 8 && (\old(a11) <= 0 || 2 <= \old(a11))) && a28 <= 7)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.5s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 389 SDtfs, 4014 SDslu, 520 SDs, 0 SdLazy, 9445 SolverSat, 1100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 87 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2126occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 452 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 102 PreInvPairs, 140 NumberOfFragments, 577 HoareAnnotationTreeSize, 102 FomulaSimplifications, 35931 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2613 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 2468 NumberOfCodeBlocks, 2468 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2458 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1428/1543 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...