/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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:47:31,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:47:31,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:47:31,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:47:31,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:47:31,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:47:31,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:47:31,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:47:31,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:47:31,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:47:31,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:47:31,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:47:31,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:47:31,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:47:31,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:47:31,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:47:31,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:47:31,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:47:31,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:47:31,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:47:31,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:47:31,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:47:31,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:47:31,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:47:31,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:47:31,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:47:31,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:47:31,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:47:31,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:47:31,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:47:31,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:47:31,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:47:31,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:47:31,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:47:31,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:47:31,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:47:31,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:47:31,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:47:31,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:47:31,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:47:31,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:47:31,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:47:31,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:47:31,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:47:31,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:47:31,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:47:31,388 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:47:31,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:47:31,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:47:31,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:47:31,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:47:31,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:47:31,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:47:31,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:47:31,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:47:31,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:47:31,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:47:31,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:47:31,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:47:31,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:47:31,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:47:31,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:47:31,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:47:31,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:47:31,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:47:31,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:47:31,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:47:31,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:47:31,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:47:31,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:47:31,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:47:31,393 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:47:31,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:47:31,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:47:31,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:47:31,907 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:47:31,908 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:47:31,909 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-25 14:47:31,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab322460b/f1844af2ea444537878758f3634f2b0d/FLAG58653514e [2020-09-25 14:47:32,568 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:47:32,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-25 14:47:32,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab322460b/f1844af2ea444537878758f3634f2b0d/FLAG58653514e [2020-09-25 14:47:32,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab322460b/f1844af2ea444537878758f3634f2b0d [2020-09-25 14:47:32,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:47:32,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:47:32,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:47:32,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:47:32,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:47:32,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:47:32" (1/1) ... [2020-09-25 14:47:32,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dc5d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:32, skipping insertion in model container [2020-09-25 14:47:32,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:47:32" (1/1) ... [2020-09-25 14:47:32,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:47:32,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:47:33,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:47:33,205 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:47:33,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:47:33,272 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:47:33,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33 WrapperNode [2020-09-25 14:47:33,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:47:33,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:47:33,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:47:33,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:47:33,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... [2020-09-25 14:47:33,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:47:33,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:47:33,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:47:33,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:47:33,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:47:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:47:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:47:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 14:47:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:47:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:47:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 14:47:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 14:47:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 14:47:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:47:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:47:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:47:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:47:34,010 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:47:34,010 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 14:47:34,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:47:34 BoogieIcfgContainer [2020-09-25 14:47:34,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:47:34,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:47:34,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:47:34,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:47:34,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:47:32" (1/3) ... [2020-09-25 14:47:34,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117fb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:47:34, skipping insertion in model container [2020-09-25 14:47:34,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:47:33" (2/3) ... [2020-09-25 14:47:34,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117fb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:47:34, skipping insertion in model container [2020-09-25 14:47:34,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:47:34" (3/3) ... [2020-09-25 14:47:34,028 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2020-09-25 14:47:34,040 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:47:34,051 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2020-09-25 14:47:34,073 INFO L251 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2020-09-25 14:47:34,109 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:47:34,109 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:47:34,110 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:47:34,110 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:47:34,110 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:47:34,110 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:47:34,111 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:47:34,111 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:47:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-09-25 14:47:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 14:47:34,152 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:34,154 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] [2020-09-25 14:47:34,155 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:34,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:34,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1480175740, now seen corresponding path program 1 times [2020-09-25 14:47:34,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:34,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052685896] [2020-09-25 14:47:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:34,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:34,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:34,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:47:34,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-25 14:47:34,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:34,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:47:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:47:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:47:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:34,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:34,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:47:34,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:34,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:34,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052685896] [2020-09-25 14:47:34,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:34,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:47:34,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898117992] [2020-09-25 14:47:34,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:47:34,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:34,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:47:34,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:47:34,752 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 6 states. [2020-09-25 14:47:35,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:35,330 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2020-09-25 14:47:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:47:35,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-09-25 14:47:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:35,347 INFO L225 Difference]: With dead ends: 221 [2020-09-25 14:47:35,348 INFO L226 Difference]: Without dead ends: 181 [2020-09-25 14:47:35,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:47:35,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-25 14:47:35,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-25 14:47:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-25 14:47:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2020-09-25 14:47:35,424 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 30 [2020-09-25 14:47:35,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:35,425 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2020-09-25 14:47:35,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:47:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2020-09-25 14:47:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 14:47:35,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:35,428 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] [2020-09-25 14:47:35,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:47:35,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash 983595193, now seen corresponding path program 1 times [2020-09-25 14:47:35,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:35,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356216160] [2020-09-25 14:47:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:35,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:35,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:35,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 14:47:35,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 14:47:35,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:35,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:47:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 14:47:35,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 14:47:35,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:47:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:35,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:35,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:35,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:35,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:35,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:47:35,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:35,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:35,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356216160] [2020-09-25 14:47:35,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:35,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:47:35,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849991301] [2020-09-25 14:47:35,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:47:35,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:35,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:47:35,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:47:35,841 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand 8 states. [2020-09-25 14:47:36,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:36,669 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-25 14:47:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 14:47:36,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-25 14:47:36,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:36,675 INFO L225 Difference]: With dead ends: 287 [2020-09-25 14:47:36,675 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 14:47:36,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:47:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 14:47:36,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 179. [2020-09-25 14:47:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-09-25 14:47:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions. [2020-09-25 14:47:36,710 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 33 [2020-09-25 14:47:36,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:36,710 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions. [2020-09-25 14:47:36,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:47:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2020-09-25 14:47:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 14:47:36,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:36,713 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] [2020-09-25 14:47:36,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:47:36,713 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:36,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:36,714 INFO L82 PathProgramCache]: Analyzing trace with hash -378774596, now seen corresponding path program 1 times [2020-09-25 14:47:36,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:36,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76976014] [2020-09-25 14:47:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:36,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 14:47:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 14:47:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:36,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:47:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 14:47:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:47:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:36,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:36,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:36,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:36,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:47:36,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:36,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:36,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76976014] [2020-09-25 14:47:36,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:36,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:47:36,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998466521] [2020-09-25 14:47:36,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:47:36,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:36,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:47:36,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:47:36,933 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand 8 states. [2020-09-25 14:47:37,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:37,435 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2020-09-25 14:47:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:47:37,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-09-25 14:47:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:37,440 INFO L225 Difference]: With dead ends: 179 [2020-09-25 14:47:37,440 INFO L226 Difference]: Without dead ends: 177 [2020-09-25 14:47:37,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:47:37,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-25 14:47:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-09-25 14:47:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-25 14:47:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 181 transitions. [2020-09-25 14:47:37,465 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 181 transitions. Word has length 35 [2020-09-25 14:47:37,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:37,466 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 181 transitions. [2020-09-25 14:47:37,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:47:37,466 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2020-09-25 14:47:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 14:47:37,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:37,469 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] [2020-09-25 14:47:37,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:47:37,469 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:37,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:37,470 INFO L82 PathProgramCache]: Analyzing trace with hash 856839139, now seen corresponding path program 1 times [2020-09-25 14:47:37,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:37,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608000025] [2020-09-25 14:47:37,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:37,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:37,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:37,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:38,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:38,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:47:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:47:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-09-25 14:47:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:38,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:47:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 14:47:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:47:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:39,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:39,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:39,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:39,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:39,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:39,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608000025] [2020-09-25 14:47:39,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:39,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:47:39,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383627985] [2020-09-25 14:47:39,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:47:39,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:39,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:47:39,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:47:39,013 INFO L87 Difference]: Start difference. First operand 177 states and 181 transitions. Second operand 6 states. [2020-09-25 14:47:39,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:39,389 INFO L93 Difference]: Finished difference Result 177 states and 181 transitions. [2020-09-25 14:47:39,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:47:39,390 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-09-25 14:47:39,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:39,392 INFO L225 Difference]: With dead ends: 177 [2020-09-25 14:47:39,392 INFO L226 Difference]: Without dead ends: 175 [2020-09-25 14:47:39,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:47:39,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-25 14:47:39,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-25 14:47:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-25 14:47:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-25 14:47:39,402 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 43 [2020-09-25 14:47:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:39,402 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-25 14:47:39,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:47:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-25 14:47:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 14:47:39,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:39,404 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] [2020-09-25 14:47:39,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:47:39,405 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:39,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:39,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1814856032, now seen corresponding path program 1 times [2020-09-25 14:47:39,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:39,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386953413] [2020-09-25 14:47:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:39,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:39,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:39,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:39,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:39,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:40,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:40,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:47:40,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:47:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1294 [2020-09-25 14:47:40,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:40,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:47:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 14:47:40,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:40,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:40,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:40,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:40,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:40,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:40,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:40,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:40,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:47:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:40,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386953413] [2020-09-25 14:47:40,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:40,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:47:40,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232772633] [2020-09-25 14:47:40,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:47:40,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:40,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:47:40,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:47:40,776 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 6 states. [2020-09-25 14:47:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:41,078 INFO L93 Difference]: Finished difference Result 175 states and 179 transitions. [2020-09-25 14:47:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:47:41,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-09-25 14:47:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:41,082 INFO L225 Difference]: With dead ends: 175 [2020-09-25 14:47:41,083 INFO L226 Difference]: Without dead ends: 173 [2020-09-25 14:47:41,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:47:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-25 14:47:41,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-09-25 14:47:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-25 14:47:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-25 14:47:41,101 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 43 [2020-09-25 14:47:41,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:41,101 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-25 14:47:41,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:47:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-25 14:47:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 14:47:41,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:41,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:47:41,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:47:41,107 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:41,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:41,108 INFO L82 PathProgramCache]: Analyzing trace with hash -321095215, now seen corresponding path program 1 times [2020-09-25 14:47:41,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:41,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340084012] [2020-09-25 14:47:41,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:41,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:41,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:41,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:42,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:42,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:47:42,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:47:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-09-25 14:47:42,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:42,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:47:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 14:47:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 14:47:42,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:42,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:42,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:42,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:42,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:42,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:47:42,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:42,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:42,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340084012] [2020-09-25 14:47:42,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:42,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:47:42,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999669661] [2020-09-25 14:47:42,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:47:42,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:42,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:47:42,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:47:42,131 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 10 states. [2020-09-25 14:47:42,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:42,596 INFO L93 Difference]: Finished difference Result 173 states and 177 transitions. [2020-09-25 14:47:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:47:42,597 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-09-25 14:47:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:42,598 INFO L225 Difference]: With dead ends: 173 [2020-09-25 14:47:42,598 INFO L226 Difference]: Without dead ends: 161 [2020-09-25 14:47:42,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-09-25 14:47:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-25 14:47:42,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-09-25 14:47:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-09-25 14:47:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions. [2020-09-25 14:47:42,608 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 48 [2020-09-25 14:47:42,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:42,608 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions. [2020-09-25 14:47:42,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:47:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2020-09-25 14:47:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 14:47:42,610 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:42,610 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] [2020-09-25 14:47:42,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:47:42,610 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:42,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:42,611 INFO L82 PathProgramCache]: Analyzing trace with hash -153858296, now seen corresponding path program 1 times [2020-09-25 14:47:42,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:42,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539613483] [2020-09-25 14:47:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:42,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:47:42,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 14:47:42,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:42,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:47:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 14:47:42,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:42,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:42,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:42,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:42,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:42,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:47:42,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:42,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:42,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:42,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539613483] [2020-09-25 14:47:42,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:42,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:47:42,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68694716] [2020-09-25 14:47:42,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:47:42,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:42,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:47:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:47:42,976 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 7 states. [2020-09-25 14:47:43,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:43,528 INFO L93 Difference]: Finished difference Result 289 states and 296 transitions. [2020-09-25 14:47:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:47:43,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-25 14:47:43,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:43,530 INFO L225 Difference]: With dead ends: 289 [2020-09-25 14:47:43,530 INFO L226 Difference]: Without dead ends: 287 [2020-09-25 14:47:43,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:47:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-25 14:47:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 159. [2020-09-25 14:47:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-25 14:47:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-25 14:47:43,539 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-25 14:47:43,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:43,539 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-25 14:47:43,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:47:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-25 14:47:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 14:47:43,541 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:43,541 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] [2020-09-25 14:47:43,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 14:47:43,541 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:43,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:43,542 INFO L82 PathProgramCache]: Analyzing trace with hash -720035671, now seen corresponding path program 1 times [2020-09-25 14:47:43,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:43,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376106034] [2020-09-25 14:47:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:43,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:43,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:44,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:44,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:47:44,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:47:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 789 [2020-09-25 14:47:44,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:44,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:44,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:47:44,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 14:47:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 14:47:44,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:47:44,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:44,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:44,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:44,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:44,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:47:44,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:44,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:44,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376106034] [2020-09-25 14:47:44,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:44,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:47:44,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606939845] [2020-09-25 14:47:44,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:47:44,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:44,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:47:44,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:47:44,463 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 8 states. [2020-09-25 14:47:44,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:44,869 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-25 14:47:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:47:44,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-25 14:47:44,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:44,872 INFO L225 Difference]: With dead ends: 159 [2020-09-25 14:47:44,872 INFO L226 Difference]: Without dead ends: 147 [2020-09-25 14:47:44,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-09-25 14:47:44,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-25 14:47:44,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-09-25 14:47:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-25 14:47:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2020-09-25 14:47:44,879 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 48 [2020-09-25 14:47:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:44,881 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2020-09-25 14:47:44,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:47:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2020-09-25 14:47:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 14:47:44,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:44,882 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] [2020-09-25 14:47:44,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 14:47:44,883 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:44,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:44,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1338866642, now seen corresponding path program 1 times [2020-09-25 14:47:44,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:44,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936503863] [2020-09-25 14:47:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:44,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:44,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:45,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:45,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 14:47:45,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-09-25 14:47:45,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:45,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:47:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 14:47:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:45,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:45,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:45,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:45,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:45,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:45,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:45,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:45,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936503863] [2020-09-25 14:47:45,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:45,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:47:45,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165709662] [2020-09-25 14:47:45,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:47:45,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:45,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:47:45,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:47:45,249 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand 7 states. [2020-09-25 14:47:45,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:45,649 INFO L93 Difference]: Finished difference Result 227 states and 233 transitions. [2020-09-25 14:47:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:47:45,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 14:47:45,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:45,651 INFO L225 Difference]: With dead ends: 227 [2020-09-25 14:47:45,652 INFO L226 Difference]: Without dead ends: 225 [2020-09-25 14:47:45,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:47:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-25 14:47:45,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 145. [2020-09-25 14:47:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-25 14:47:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2020-09-25 14:47:45,658 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 53 [2020-09-25 14:47:45,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:45,658 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2020-09-25 14:47:45,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:47:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2020-09-25 14:47:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 14:47:45,660 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:45,661 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] [2020-09-25 14:47:45,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 14:47:45,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:45,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:45,663 INFO L82 PathProgramCache]: Analyzing trace with hash -705283452, now seen corresponding path program 1 times [2020-09-25 14:47:45,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:45,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719234637] [2020-09-25 14:47:45,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:45,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:45,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:45,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:45,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 14:47:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 14:47:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:45,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:47:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 14:47:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:46,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:46,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:46,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:46,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:46,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:46,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:46,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719234637] [2020-09-25 14:47:46,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:46,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:47:46,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109143148] [2020-09-25 14:47:46,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:47:46,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:46,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:47:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:47:46,049 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 7 states. [2020-09-25 14:47:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:46,471 INFO L93 Difference]: Finished difference Result 208 states and 214 transitions. [2020-09-25 14:47:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:47:46,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 14:47:46,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:46,474 INFO L225 Difference]: With dead ends: 208 [2020-09-25 14:47:46,474 INFO L226 Difference]: Without dead ends: 206 [2020-09-25 14:47:46,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:47:46,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-09-25 14:47:46,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 143. [2020-09-25 14:47:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-25 14:47:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2020-09-25 14:47:46,481 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 53 [2020-09-25 14:47:46,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:46,481 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2020-09-25 14:47:46,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:47:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2020-09-25 14:47:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 14:47:46,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:46,482 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] [2020-09-25 14:47:46,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 14:47:46,483 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:46,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1450324932, now seen corresponding path program 1 times [2020-09-25 14:47:46,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:46,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479890067] [2020-09-25 14:47:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:46,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:46,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 14:47:46,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 14:47:46,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:46,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:46,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:47:46,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 14:47:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:46,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:46,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:46,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:46,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:46,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:46,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:46,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:46,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479890067] [2020-09-25 14:47:46,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:46,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:47:46,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101439363] [2020-09-25 14:47:46,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:47:46,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:46,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:47:46,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:47:46,832 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 7 states. [2020-09-25 14:47:47,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:47,187 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-25 14:47:47,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 14:47:47,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 14:47:47,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:47,190 INFO L225 Difference]: With dead ends: 159 [2020-09-25 14:47:47,190 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 14:47:47,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:47:47,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 14:47:47,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2020-09-25 14:47:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-25 14:47:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2020-09-25 14:47:47,198 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 53 [2020-09-25 14:47:47,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:47,198 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2020-09-25 14:47:47,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:47:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2020-09-25 14:47:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 14:47:47,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:47,199 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] [2020-09-25 14:47:47,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 14:47:47,200 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:47,200 INFO L82 PathProgramCache]: Analyzing trace with hash -176330525, now seen corresponding path program 1 times [2020-09-25 14:47:47,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:47,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010030010] [2020-09-25 14:47:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:47,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:47,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:47,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:47,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 14:47:47,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:47,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-09-25 14:47:47,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:47,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:47:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 14:47:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 14:47:47,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:47,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:47,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:47,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:47,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:47,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010030010] [2020-09-25 14:47:47,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:47,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:47:47,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464363163] [2020-09-25 14:47:47,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:47:47,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:47,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:47:47,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:47:47,924 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 8 states. [2020-09-25 14:47:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:48,565 INFO L93 Difference]: Finished difference Result 243 states and 250 transitions. [2020-09-25 14:47:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 14:47:48,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-25 14:47:48,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:48,567 INFO L225 Difference]: With dead ends: 243 [2020-09-25 14:47:48,568 INFO L226 Difference]: Without dead ends: 241 [2020-09-25 14:47:48,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:47:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-09-25 14:47:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 139. [2020-09-25 14:47:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-09-25 14:47:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions. [2020-09-25 14:47:48,576 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 53 [2020-09-25 14:47:48,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:48,576 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions. [2020-09-25 14:47:48,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:47:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2020-09-25 14:47:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 14:47:48,577 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:48,578 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] [2020-09-25 14:47:48,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 14:47:48,578 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:48,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1223452514, now seen corresponding path program 1 times [2020-09-25 14:47:48,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:48,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787985544] [2020-09-25 14:47:48,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:48,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:49,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 14:47:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:49,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 889 [2020-09-25 14:47:49,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:49,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:47:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 14:47:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 14:47:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:47:49,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:49,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:49,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:49,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:49,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787985544] [2020-09-25 14:47:49,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:49,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:47:49,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325255950] [2020-09-25 14:47:49,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:47:49,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:49,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:47:49,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:47:49,669 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand 10 states. [2020-09-25 14:47:50,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:50,305 INFO L93 Difference]: Finished difference Result 204 states and 210 transitions. [2020-09-25 14:47:50,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:47:50,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-25 14:47:50,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:50,308 INFO L225 Difference]: With dead ends: 204 [2020-09-25 14:47:50,308 INFO L226 Difference]: Without dead ends: 202 [2020-09-25 14:47:50,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:47:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-09-25 14:47:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 137. [2020-09-25 14:47:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-09-25 14:47:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 141 transitions. [2020-09-25 14:47:50,314 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 141 transitions. Word has length 58 [2020-09-25 14:47:50,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:50,315 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 141 transitions. [2020-09-25 14:47:50,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:47:50,315 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2020-09-25 14:47:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 14:47:50,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:50,316 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] [2020-09-25 14:47:50,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-25 14:47:50,317 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:50,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:50,317 INFO L82 PathProgramCache]: Analyzing trace with hash 796591608, now seen corresponding path program 1 times [2020-09-25 14:47:50,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:50,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541922285] [2020-09-25 14:47:50,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:50,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:50,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:51,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:51,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 14:47:51,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-09-25 14:47:51,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:51,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:47:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 14:47:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 14:47:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:51,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:51,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:51,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:47:51,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:51,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:51,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541922285] [2020-09-25 14:47:51,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:51,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:47:51,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237823091] [2020-09-25 14:47:51,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:47:51,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:51,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:47:51,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:47:51,295 INFO L87 Difference]: Start difference. First operand 137 states and 141 transitions. Second operand 10 states. [2020-09-25 14:47:51,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:51,912 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2020-09-25 14:47:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:47:51,913 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-25 14:47:51,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:51,914 INFO L225 Difference]: With dead ends: 185 [2020-09-25 14:47:51,914 INFO L226 Difference]: Without dead ends: 183 [2020-09-25 14:47:51,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:47:51,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-25 14:47:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 135. [2020-09-25 14:47:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-25 14:47:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 139 transitions. [2020-09-25 14:47:51,921 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 139 transitions. Word has length 58 [2020-09-25 14:47:51,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:51,922 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 139 transitions. [2020-09-25 14:47:51,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:47:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2020-09-25 14:47:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 14:47:51,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:51,923 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] [2020-09-25 14:47:51,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-25 14:47:51,923 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:51,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:51,924 INFO L82 PathProgramCache]: Analyzing trace with hash 482062159, now seen corresponding path program 1 times [2020-09-25 14:47:51,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:51,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606979695] [2020-09-25 14:47:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:51,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:51,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:52,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:52,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 14:47:52,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:47:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-09-25 14:47:52,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:52,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:47:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 14:47:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 14:47:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:52,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:52,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:52,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:47:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:52,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:52,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606979695] [2020-09-25 14:47:52,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:52,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:47:52,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101621987] [2020-09-25 14:47:52,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:47:52,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:47:52,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:47:52,900 INFO L87 Difference]: Start difference. First operand 135 states and 139 transitions. Second operand 10 states. [2020-09-25 14:47:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:53,329 INFO L93 Difference]: Finished difference Result 135 states and 139 transitions. [2020-09-25 14:47:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:47:53,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-25 14:47:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:53,331 INFO L225 Difference]: With dead ends: 135 [2020-09-25 14:47:53,331 INFO L226 Difference]: Without dead ends: 123 [2020-09-25 14:47:53,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:47:53,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-25 14:47:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-09-25 14:47:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-25 14:47:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2020-09-25 14:47:53,337 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 58 [2020-09-25 14:47:53,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:53,337 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2020-09-25 14:47:53,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:47:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2020-09-25 14:47:53,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-25 14:47:53,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:53,338 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] [2020-09-25 14:47:53,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-25 14:47:53,339 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:53,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:53,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1558790018, now seen corresponding path program 1 times [2020-09-25 14:47:53,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:53,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871634331] [2020-09-25 14:47:53,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:53,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:53,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:53,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:55,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:55,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:56,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:56,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:58,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:58,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 14:47:58,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 14:47:58,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 14:47:58,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:58,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:58,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:47:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:47:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 14:47:58,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:58,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:47:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:58,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:47:58,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:47:58,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:47:58,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:47:58,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:47:58,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:47:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:47:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:47:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:47:58,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:47:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:47:58,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871634331] [2020-09-25 14:47:58,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:47:58,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:47:58,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80676522] [2020-09-25 14:47:58,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:47:58,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:47:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:47:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:47:58,444 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand 8 states. [2020-09-25 14:47:58,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:47:58,927 INFO L93 Difference]: Finished difference Result 213 states and 220 transitions. [2020-09-25 14:47:58,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:47:58,928 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-25 14:47:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:47:58,933 INFO L225 Difference]: With dead ends: 213 [2020-09-25 14:47:58,933 INFO L226 Difference]: Without dead ends: 211 [2020-09-25 14:47:58,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:47:58,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-09-25 14:47:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 121. [2020-09-25 14:47:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-25 14:47:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2020-09-25 14:47:58,941 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 66 [2020-09-25 14:47:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:47:58,941 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2020-09-25 14:47:58,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:47:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2020-09-25 14:47:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 14:47:58,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:47:58,942 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] [2020-09-25 14:47:58,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-25 14:47:58,943 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:47:58,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:47:58,943 INFO L82 PathProgramCache]: Analyzing trace with hash 923424153, now seen corresponding path program 1 times [2020-09-25 14:47:58,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:47:58,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855662063] [2020-09-25 14:47:58,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:47:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:47:58,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:47:59,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:48:01,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:48:01,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 14:48:01,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:48:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2556 [2020-09-25 14:48:01,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:48:01,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:48:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:48:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 14:48:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 14:48:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:48:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:48:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:48:01,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:48:01,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:48:01,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:48:01,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:48:01,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:48:01,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:48:01,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:48:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:48:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:48:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:48:01,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:48:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:48:01,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855662063] [2020-09-25 14:48:01,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:48:01,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:48:01,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770979062] [2020-09-25 14:48:01,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:48:01,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:48:01,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:48:01,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:48:01,666 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand 10 states. [2020-09-25 14:48:02,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:48:02,260 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2020-09-25 14:48:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 14:48:02,260 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-09-25 14:48:02,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:48:02,261 INFO L225 Difference]: With dead ends: 159 [2020-09-25 14:48:02,261 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:48:02,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:48:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:48:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:48:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:48:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:48:02,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-09-25 14:48:02,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:48:02,263 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:48:02,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:48:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:48:02,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:48:02,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-25 14:48:02,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:48:02,721 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 16 [2020-09-25 14:48:02,834 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2020-09-25 14:48:02,892 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:48:02,892 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 14:48:02,892 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 14:48:02,892 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 14:48:02,893 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_247_0~0 |old(~__tmp_247_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-25 14:48:02,893 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:48:02,893 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:48:02,894 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 14:48:02,894 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 14:48:02,894 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:48:02,894 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-25 14:48:02,894 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 14:48:02,894 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-25 14:48:02,894 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-25 14:48:02,894 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 14:48:02,895 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-25 14:48:02,895 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed. [2020-09-25 14:48:02,895 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-25 14:48:02,895 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 373) no Hoare annotation was computed. [2020-09-25 14:48:02,896 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-25 14:48:02,897 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-09-25 14:48:02,897 INFO L268 CegarLoopResult]: For program point L52(lines 52 252) no Hoare annotation was computed. [2020-09-25 14:48:02,898 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-25 14:48:02,898 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L69(lines 69 93) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L185(lines 185 195) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 14:48:02,899 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-25 14:48:02,900 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 308) no Hoare annotation was computed. [2020-09-25 14:48:02,901 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-25 14:48:02,902 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-25 14:48:02,902 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-25 14:48:02,903 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 14:48:02,904 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 14:48:02,904 INFO L268 CegarLoopResult]: For program point L335(lines 335 358) no Hoare annotation was computed. [2020-09-25 14:48:02,906 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-25 14:48:02,906 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 373) no Hoare annotation was computed. [2020-09-25 14:48:02,906 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-25 14:48:02,906 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2020-09-25 14:48:02,906 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L104(lines 104 208) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-25 14:48:02,907 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-25 14:48:02,908 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-25 14:48:02,908 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L22(lines 22 367) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-25 14:48:02,909 INFO L268 CegarLoopResult]: For program point L287(lines 287 361) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 337) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-25 14:48:02,910 INFO L268 CegarLoopResult]: For program point L139(lines 139 161) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L40(lines 40 254) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L123(lines 123 200) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-25 14:48:02,911 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-25 14:48:02,912 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-25 14:48:02,912 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-09-25 14:48:02,912 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-25 14:48:02,912 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-09-25 14:48:02,915 INFO L264 CegarLoopResult]: At program point L355(lines 281 362) the Hoare annotation is: (and (not (= main_~__tmp_14~0 0)) (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0)) [2020-09-25 14:48:02,915 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-25 14:48:02,915 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-09-25 14:48:02,915 INFO L268 CegarLoopResult]: For program point L322-2(line 322) no Hoare annotation was computed. [2020-09-25 14:48:02,915 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-25 14:48:02,915 INFO L268 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L323(lines 323 360) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-25 14:48:02,916 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-09-25 14:48:02,917 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-25 14:48:02,917 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-25 14:48:02,917 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-25 14:48:02,918 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-25 14:48:02,918 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-25 14:48:02,918 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 14:48:02,918 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-25 14:48:02,918 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-25 14:48:02,918 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L275(lines 275 362) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-09-25 14:48:02,919 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L111(lines 111 202) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 14:48:02,920 INFO L264 CegarLoopResult]: At program point L326(lines 30 366) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-25 14:48:02,920 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L264 CegarLoopResult]: At program point L194(lines 58 252) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-25 14:48:02,921 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L294(lines 294 316) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L30(lines 30 366) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 373) the Hoare annotation is: (and (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-25 14:48:02,922 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 349) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-09-25 14:48:02,923 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L213-2(line 213) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L81(lines 81 91) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-09-25 14:48:02,924 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L264 CegarLoopResult]: At program point L313(lines 30 366) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L214(lines 214 249) no Hoare annotation was computed. [2020-09-25 14:48:02,925 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L264(lines 264 364) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L132(lines 132 199) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 14:48:02,926 INFO L268 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point L347(lines 347 356) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L264 CegarLoopResult]: At program point L248(lines 100 250) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 14:48:02,927 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L100(lines 100 250) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-25 14:48:02,928 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L18(lines 18 372) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-09-25 14:48:02,929 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-25 14:48:02,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:48:02 BoogieIcfgContainer [2020-09-25 14:48:02,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:48:02,967 INFO L168 Benchmark]: Toolchain (without parser) took 30085.28 ms. Allocated memory was 146.8 MB in the beginning and 413.7 MB in the end (delta: 266.9 MB). Free memory was 103.4 MB in the beginning and 369.7 MB in the end (delta: -266.2 MB). Peak memory consumption was 279.9 MB. Max. memory is 7.1 GB. [2020-09-25 14:48:02,967 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 14:48:02,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.64 ms. Allocated memory is still 146.8 MB. Free memory was 102.8 MB in the beginning and 90.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-25 14:48:02,973 INFO L168 Benchmark]: Boogie Preprocessor took 128.90 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 90.1 MB in the beginning and 179.6 MB in the end (delta: -89.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-25 14:48:02,974 INFO L168 Benchmark]: RCFGBuilder took 615.26 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 144.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-09-25 14:48:02,977 INFO L168 Benchmark]: TraceAbstraction took 28941.85 ms. Allocated memory was 202.4 MB in the beginning and 413.7 MB in the end (delta: 211.3 MB). Free memory was 143.5 MB in the beginning and 369.7 MB in the end (delta: -226.1 MB). Peak memory consumption was 264.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:48:02,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 389.64 ms. Allocated memory is still 146.8 MB. Free memory was 102.8 MB in the beginning and 90.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.90 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 90.1 MB in the beginning and 179.6 MB in the end (delta: -89.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 615.26 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 144.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28941.85 ms. Allocated memory was 202.4 MB in the beginning and 413.7 MB in the end (delta: 211.3 MB). Free memory was 143.5 MB in the beginning and 369.7 MB in the end (delta: -226.1 MB). Peak memory consumption was 264.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 153]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 296]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 223]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 308]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 277]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 141]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 125]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((1 <= main__t && 1 <= __tmp_2) && main__t < main__tagbuf_len + 1) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 1 <= __tmp_2) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2727 SDtfs, 5269 SDslu, 5357 SDs, 0 SdLazy, 6735 SolverSat, 197 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 54 SyntacticMatches, 4 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 698 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 96 HoareAnnotationTreeSize, 9 FomulaSimplifications, 40977 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3837 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 136015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 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...