/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=LOWLEXORDER --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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:50:59,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:50:59,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:50:59,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:50:59,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:50:59,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:50:59,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:50:59,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:50:59,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:50:59,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:50:59,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:50:59,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:50:59,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:50:59,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:50:59,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:50:59,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:50:59,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:50:59,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:50:59,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:50:59,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:50:59,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:50:59,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:50:59,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:50:59,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:50:59,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:50:59,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:50:59,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:50:59,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:50:59,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:50:59,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:50:59,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:50:59,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:50:59,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:50:59,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:50:59,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:50:59,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:50:59,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:50:59,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:50:59,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:50:59,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:50:59,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:50:59,427 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 [2020-09-24 21:50:59,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:50:59,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:50:59,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:50:59,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:50:59,481 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:50:59,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:50:59,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:50:59,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:50:59,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:50:59,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:50:59,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:50:59,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:50:59,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:50:59,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:50:59,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:50:59,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:50:59,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:50:59,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:50:59,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:50:59,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:50:59,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:50:59,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:50:59,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:50:59,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:50:59,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:50:59,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:50:59,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:50:59,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:50:59,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:50:59,486 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:50:59,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:50:59,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:50:59,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:50:59,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:50:59,966 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:50:59,968 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 21:51:00,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b035fd9e/7f0d507363cf49e0a73c1b15fba85960/FLAG069f05639 [2020-09-24 21:51:00,605 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:51:00,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 21:51:00,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b035fd9e/7f0d507363cf49e0a73c1b15fba85960/FLAG069f05639 [2020-09-24 21:51:00,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b035fd9e/7f0d507363cf49e0a73c1b15fba85960 [2020-09-24 21:51:00,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:51:00,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:51:00,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:51:00,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:51:00,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:51:00,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:51:00" (1/1) ... [2020-09-24 21:51:00,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3155a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:00, skipping insertion in model container [2020-09-24 21:51:00,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:51:00" (1/1) ... [2020-09-24 21:51:00,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:51:01,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:51:01,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:51:01,282 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:51:01,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:51:01,347 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:51:01,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01 WrapperNode [2020-09-24 21:51:01,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:51:01,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:51:01,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:51:01,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:51:01,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (1/1) ... [2020-09-24 21:51:01,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:51:01,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:51:01,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:51:01,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:51:01,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (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 [2020-09-24 21:51:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:51:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:51:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:51:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:51:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:51:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:51:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:51:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 21:51:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:51:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:51:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:51:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:51:02,087 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:51:02,088 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 21:51:02,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:51:02 BoogieIcfgContainer [2020-09-24 21:51:02,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:51:02,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:51:02,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:51:02,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:51:02,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:51:00" (1/3) ... [2020-09-24 21:51:02,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d49fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:51:02, skipping insertion in model container [2020-09-24 21:51:02,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:01" (2/3) ... [2020-09-24 21:51:02,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d49fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:51:02, skipping insertion in model container [2020-09-24 21:51:02,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:51:02" (3/3) ... [2020-09-24 21:51:02,107 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-09-24 21:51:02,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:51:02,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-24 21:51:02,154 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-24 21:51:02,190 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:51:02,190 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:51:02,190 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:51:02,191 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:51:02,191 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:51:02,191 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:51:02,191 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:51:02,191 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:51:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-09-24 21:51:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 21:51:02,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:02,237 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] [2020-09-24 21:51:02,238 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:02,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:02,247 INFO L82 PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times [2020-09-24 21:51:02,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:02,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748613123] [2020-09-24 21:51:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:02,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:02,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:02,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 21:51:02,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:02,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-09-24 21:51:02,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:51:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 21:51:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:51:02,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:02,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:02,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:02,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:02,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:02,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:51:02,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:02,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748613123] [2020-09-24 21:51:02,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:02,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:02,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443711405] [2020-09-24 21:51:03,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:03,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:03,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:03,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:03,027 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 8 states. [2020-09-24 21:51:03,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:03,848 INFO L93 Difference]: Finished difference Result 339 states and 382 transitions. [2020-09-24 21:51:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:03,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 21:51:03,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:03,868 INFO L225 Difference]: With dead ends: 339 [2020-09-24 21:51:03,869 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 21:51:03,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:51:03,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 21:51:03,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193. [2020-09-24 21:51:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 21:51:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions. [2020-09-24 21:51:03,960 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33 [2020-09-24 21:51:03,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:03,961 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 197 transitions. [2020-09-24 21:51:03,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2020-09-24 21:51:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 21:51:03,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:03,965 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] [2020-09-24 21:51:03,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:51:03,966 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:03,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:03,967 INFO L82 PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times [2020-09-24 21:51:03,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:03,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292526988] [2020-09-24 21:51:03,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:04,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:04,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 21:51:04,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-24 21:51:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:51:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 21:51:04,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:04,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:04,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:04,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:04,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:51:04,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:51:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:04,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292526988] [2020-09-24 21:51:04,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:04,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:04,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682015201] [2020-09-24 21:51:04,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:04,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:04,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:04,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:04,342 INFO L87 Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states. [2020-09-24 21:51:05,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:05,139 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 21:51:05,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:05,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 21:51:05,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:05,143 INFO L225 Difference]: With dead ends: 287 [2020-09-24 21:51:05,143 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 21:51:05,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:51:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 21:51:05,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191. [2020-09-24 21:51:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 21:51:05,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions. [2020-09-24 21:51:05,160 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33 [2020-09-24 21:51:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:05,160 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 195 transitions. [2020-09-24 21:51:05,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2020-09-24 21:51:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 21:51:05,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:05,162 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] [2020-09-24 21:51:05,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:51:05,163 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:05,163 INFO L82 PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times [2020-09-24 21:51:05,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:05,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1653001858] [2020-09-24 21:51:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:05,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:05,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:05,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:06,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 21:51:06,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:51:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1504 [2020-09-24 21:51:06,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:51:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 21:51:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:06,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:06,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:06,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:06,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:06,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:06,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:06,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:06,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:06,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1653001858] [2020-09-24 21:51:06,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:06,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:06,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622953932] [2020-09-24 21:51:06,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:06,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:06,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:06,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:06,757 INFO L87 Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 8 states. [2020-09-24 21:51:07,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:07,241 INFO L93 Difference]: Finished difference Result 191 states and 195 transitions. [2020-09-24 21:51:07,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:51:07,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-24 21:51:07,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:07,243 INFO L225 Difference]: With dead ends: 191 [2020-09-24 21:51:07,243 INFO L226 Difference]: Without dead ends: 189 [2020-09-24 21:51:07,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:51:07,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-24 21:51:07,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-09-24 21:51:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 21:51:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2020-09-24 21:51:07,255 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43 [2020-09-24 21:51:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:07,256 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2020-09-24 21:51:07,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2020-09-24 21:51:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 21:51:07,258 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:07,258 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] [2020-09-24 21:51:07,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:51:07,258 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times [2020-09-24 21:51:07,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:07,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068070855] [2020-09-24 21:51:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:07,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:07,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:07,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:07,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:08,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:08,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 21:51:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:51:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1387 [2020-09-24 21:51:08,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:51:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 21:51:08,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:51:08,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:08,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:08,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:08,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:08,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:08,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:08,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:51:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:08,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068070855] [2020-09-24 21:51:08,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:08,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:08,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648886262] [2020-09-24 21:51:08,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:08,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:08,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:08,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:08,749 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 8 states. [2020-09-24 21:51:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:09,211 INFO L93 Difference]: Finished difference Result 189 states and 193 transitions. [2020-09-24 21:51:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:51:09,212 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-24 21:51:09,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:09,217 INFO L225 Difference]: With dead ends: 189 [2020-09-24 21:51:09,217 INFO L226 Difference]: Without dead ends: 187 [2020-09-24 21:51:09,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:51:09,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-09-24 21:51:09,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-09-24 21:51:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-24 21:51:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions. [2020-09-24 21:51:09,235 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43 [2020-09-24 21:51:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:09,236 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 191 transitions. [2020-09-24 21:51:09,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2020-09-24 21:51:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 21:51:09,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:09,238 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] [2020-09-24 21:51:09,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 21:51:09,239 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:09,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times [2020-09-24 21:51:09,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:09,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145397830] [2020-09-24 21:51:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:09,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:09,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:10,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:10,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 21:51:10,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:51:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 891 [2020-09-24 21:51:10,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:10,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 21:51:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:10,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:10,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:10,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:51:10,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:10,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:10,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:10,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145397830] [2020-09-24 21:51:10,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:10,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:10,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122157342] [2020-09-24 21:51:10,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:10,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:10,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:10,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:10,257 INFO L87 Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 8 states. [2020-09-24 21:51:10,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:10,727 INFO L93 Difference]: Finished difference Result 187 states and 191 transitions. [2020-09-24 21:51:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:51:10,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 21:51:10,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:10,729 INFO L225 Difference]: With dead ends: 187 [2020-09-24 21:51:10,729 INFO L226 Difference]: Without dead ends: 175 [2020-09-24 21:51:10,731 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 [2020-09-24 21:51:10,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-24 21:51:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-24 21:51:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 21:51:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 21:51:10,747 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48 [2020-09-24 21:51:10,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:10,749 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 21:51:10,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 21:51:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 21:51:10,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:10,754 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] [2020-09-24 21:51:10,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 21:51:10,755 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:10,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:10,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times [2020-09-24 21:51:10,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:10,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793323057] [2020-09-24 21:51:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:10,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:11,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:11,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 21:51:11,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-09-24 21:51:11,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:51:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:51:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 21:51:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:11,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:11,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:11,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:11,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:11,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:11,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:11,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:11,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793323057] [2020-09-24 21:51:11,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:11,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:51:11,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773238795] [2020-09-24 21:51:11,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:51:11,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:11,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:51:11,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:51:11,113 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 7 states. [2020-09-24 21:51:11,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:11,737 INFO L93 Difference]: Finished difference Result 297 states and 304 transitions. [2020-09-24 21:51:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:51:11,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-24 21:51:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:11,740 INFO L225 Difference]: With dead ends: 297 [2020-09-24 21:51:11,741 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 21:51:11,742 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 [2020-09-24 21:51:11,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 21:51:11,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-09-24 21:51:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 21:51:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 21:51:11,750 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48 [2020-09-24 21:51:11,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:11,750 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 21:51:11,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:51:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 21:51:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 21:51:11,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:11,753 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] [2020-09-24 21:51:11,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 21:51:11,753 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:11,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:11,754 INFO L82 PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times [2020-09-24 21:51:11,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:11,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954702949] [2020-09-24 21:51:11,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:11,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:11,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:12,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:12,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 21:51:12,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 21:51:12,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:51:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:51:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 21:51:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:12,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:12,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:12,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:12,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:12,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:12,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:12,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954702949] [2020-09-24 21:51:12,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:12,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:51:12,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181307105] [2020-09-24 21:51:12,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:51:12,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:12,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:51:12,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:51:12,100 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 7 states. [2020-09-24 21:51:12,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:12,581 INFO L93 Difference]: Finished difference Result 256 states and 262 transitions. [2020-09-24 21:51:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 21:51:12,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-24 21:51:12,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:12,585 INFO L225 Difference]: With dead ends: 256 [2020-09-24 21:51:12,585 INFO L226 Difference]: Without dead ends: 254 [2020-09-24 21:51:12,586 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 [2020-09-24 21:51:12,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-24 21:51:12,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 171. [2020-09-24 21:51:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-24 21:51:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions. [2020-09-24 21:51:12,593 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48 [2020-09-24 21:51:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:12,593 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 175 transitions. [2020-09-24 21:51:12,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:51:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2020-09-24 21:51:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 21:51:12,594 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:12,595 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] [2020-09-24 21:51:12,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 21:51:12,595 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:12,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:12,596 INFO L82 PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times [2020-09-24 21:51:12,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:12,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221808597] [2020-09-24 21:51:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:12,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:12,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 21:51:13,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:51:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-09-24 21:51:13,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 21:51:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:13,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:13,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:13,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:13,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:13,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:13,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:13,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:13,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:13,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:13,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:13,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:13,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221808597] [2020-09-24 21:51:13,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:13,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:13,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891745112] [2020-09-24 21:51:13,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:13,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:13,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:13,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:13,546 INFO L87 Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 8 states. [2020-09-24 21:51:13,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:13,975 INFO L93 Difference]: Finished difference Result 171 states and 175 transitions. [2020-09-24 21:51:13,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:51:13,975 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 21:51:13,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:13,977 INFO L225 Difference]: With dead ends: 171 [2020-09-24 21:51:13,977 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 21:51:13,978 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 [2020-09-24 21:51:13,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 21:51:13,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-09-24 21:51:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 21:51:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 21:51:13,984 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 21:51:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:13,984 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 21:51:13,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 21:51:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 21:51:13,985 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:13,985 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] [2020-09-24 21:51:13,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 21:51:13,986 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:13,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:13,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times [2020-09-24 21:51:13,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:13,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098583022] [2020-09-24 21:51:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:14,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:14,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:14,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 21:51:14,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:14,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-24 21:51:14,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:51:14,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:51:14,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 21:51:14,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:14,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:14,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:14,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098583022] [2020-09-24 21:51:14,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:14,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:51:14,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622749886] [2020-09-24 21:51:14,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:51:14,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:14,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:51:14,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:51:14,376 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 7 states. [2020-09-24 21:51:14,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:14,907 INFO L93 Difference]: Finished difference Result 229 states and 235 transitions. [2020-09-24 21:51:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:51:14,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 21:51:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:14,909 INFO L225 Difference]: With dead ends: 229 [2020-09-24 21:51:14,909 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 21:51:14,910 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 [2020-09-24 21:51:14,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 21:51:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157. [2020-09-24 21:51:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 21:51:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2020-09-24 21:51:14,918 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53 [2020-09-24 21:51:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:14,918 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2020-09-24 21:51:14,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:51:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2020-09-24 21:51:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 21:51:14,920 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:14,920 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] [2020-09-24 21:51:14,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 21:51:14,921 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:14,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:14,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times [2020-09-24 21:51:14,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:14,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175072811] [2020-09-24 21:51:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:14,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:15,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:15,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:15,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 21:51:15,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-24 21:51:15,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:51:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:51:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 21:51:15,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:15,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:15,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:15,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:15,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:15,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:51:15,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:15,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:15,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175072811] [2020-09-24 21:51:15,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:15,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:51:15,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713466103] [2020-09-24 21:51:15,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:51:15,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:15,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:51:15,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:51:15,308 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 7 states. [2020-09-24 21:51:15,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:15,727 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2020-09-24 21:51:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:51:15,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 21:51:15,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:15,730 INFO L225 Difference]: With dead ends: 210 [2020-09-24 21:51:15,730 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 21:51:15,731 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 [2020-09-24 21:51:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 21:51:15,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2020-09-24 21:51:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-24 21:51:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2020-09-24 21:51:15,738 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53 [2020-09-24 21:51:15,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:15,741 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2020-09-24 21:51:15,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:51:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2020-09-24 21:51:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 21:51:15,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:15,742 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] [2020-09-24 21:51:15,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 21:51:15,742 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:15,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:15,743 INFO L82 PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times [2020-09-24 21:51:15,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:15,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431448169] [2020-09-24 21:51:15,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:15,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:15,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:16,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:16,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 21:51:16,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:16,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-24 21:51:16,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:51:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:51:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 21:51:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:16,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:16,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:16,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:16,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:16,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:16,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:16,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:16,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:16,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:16,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:16,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:16,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431448169] [2020-09-24 21:51:16,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:16,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:51:16,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896235951] [2020-09-24 21:51:16,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:51:16,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:16,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:51:16,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:51:16,121 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 7 states. [2020-09-24 21:51:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:16,474 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2020-09-24 21:51:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 21:51:16,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 21:51:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:16,476 INFO L225 Difference]: With dead ends: 161 [2020-09-24 21:51:16,476 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 21:51:16,476 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 [2020-09-24 21:51:16,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 21:51:16,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2020-09-24 21:51:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 21:51:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-09-24 21:51:16,483 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53 [2020-09-24 21:51:16,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:16,483 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-09-24 21:51:16,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:51:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-09-24 21:51:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 21:51:16,484 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:16,484 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] [2020-09-24 21:51:16,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 21:51:16,484 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:16,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:16,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times [2020-09-24 21:51:16,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:16,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718856462] [2020-09-24 21:51:16,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:16,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:17,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 21:51:17,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-09-24 21:51:17,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 21:51:17,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:17,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:17,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:17,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:17,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:17,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:17,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718856462] [2020-09-24 21:51:17,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:17,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:17,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787972443] [2020-09-24 21:51:17,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:17,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:17,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:17,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:17,204 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 8 states. [2020-09-24 21:51:17,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:17,915 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2020-09-24 21:51:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:17,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-24 21:51:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:17,918 INFO L225 Difference]: With dead ends: 257 [2020-09-24 21:51:17,918 INFO L226 Difference]: Without dead ends: 255 [2020-09-24 21:51:17,920 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 [2020-09-24 21:51:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-24 21:51:17,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 151. [2020-09-24 21:51:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-09-24 21:51:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2020-09-24 21:51:17,927 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 53 [2020-09-24 21:51:17,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:17,928 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2020-09-24 21:51:17,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2020-09-24 21:51:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 21:51:17,941 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:17,941 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] [2020-09-24 21:51:17,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 21:51:17,942 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:17,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:17,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times [2020-09-24 21:51:17,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:17,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998847468] [2020-09-24 21:51:17,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:17,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:18,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:18,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:18,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 21:51:18,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-09-24 21:51:18,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:18,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 21:51:18,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:18,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:18,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:18,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:18,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:18,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998847468] [2020-09-24 21:51:18,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:18,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:18,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958944643] [2020-09-24 21:51:18,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:18,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:18,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:18,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:18,690 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 8 states. [2020-09-24 21:51:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:19,266 INFO L93 Difference]: Finished difference Result 225 states and 231 transitions. [2020-09-24 21:51:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 21:51:19,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-24 21:51:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:19,269 INFO L225 Difference]: With dead ends: 225 [2020-09-24 21:51:19,270 INFO L226 Difference]: Without dead ends: 223 [2020-09-24 21:51:19,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-24 21:51:19,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-09-24 21:51:19,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 149. [2020-09-24 21:51:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-24 21:51:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2020-09-24 21:51:19,277 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 53 [2020-09-24 21:51:19,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:19,278 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2020-09-24 21:51:19,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2020-09-24 21:51:19,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 21:51:19,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:19,279 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] [2020-09-24 21:51:19,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 21:51:19,279 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:19,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:19,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times [2020-09-24 21:51:19,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:19,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598244337] [2020-09-24 21:51:19,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:19,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:20,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:20,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:51:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 927 [2020-09-24 21:51:20,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 21:51:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:20,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:20,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:20,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:20,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:20,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:20,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:20,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:20,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:20,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598244337] [2020-09-24 21:51:20,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:20,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:51:20,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568594475] [2020-09-24 21:51:20,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:51:20,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:20,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:51:20,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:51:20,388 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 9 states. [2020-09-24 21:51:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:21,127 INFO L93 Difference]: Finished difference Result 373 states and 384 transitions. [2020-09-24 21:51:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:21,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-24 21:51:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:21,129 INFO L225 Difference]: With dead ends: 373 [2020-09-24 21:51:21,130 INFO L226 Difference]: Without dead ends: 371 [2020-09-24 21:51:21,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:51:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-24 21:51:21,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 178. [2020-09-24 21:51:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-24 21:51:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 185 transitions. [2020-09-24 21:51:21,141 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 185 transitions. Word has length 58 [2020-09-24 21:51:21,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:21,141 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 185 transitions. [2020-09-24 21:51:21,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:51:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 185 transitions. [2020-09-24 21:51:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 21:51:21,146 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:21,146 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] [2020-09-24 21:51:21,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 21:51:21,148 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times [2020-09-24 21:51:21,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:21,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666803500] [2020-09-24 21:51:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:21,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:21,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:22,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:22,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:51:22,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-09-24 21:51:22,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 21:51:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:22,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:22,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:22,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:22,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:22,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:22,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:22,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666803500] [2020-09-24 21:51:22,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:22,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:51:22,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019205141] [2020-09-24 21:51:22,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:51:22,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:22,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:51:22,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:51:22,285 INFO L87 Difference]: Start difference. First operand 178 states and 185 transitions. Second operand 9 states. [2020-09-24 21:51:22,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:22,859 INFO L93 Difference]: Finished difference Result 356 states and 367 transitions. [2020-09-24 21:51:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:22,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-24 21:51:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:22,867 INFO L225 Difference]: With dead ends: 356 [2020-09-24 21:51:22,867 INFO L226 Difference]: Without dead ends: 354 [2020-09-24 21:51:22,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:51:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-24 21:51:22,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 188. [2020-09-24 21:51:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-24 21:51:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2020-09-24 21:51:22,881 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 58 [2020-09-24 21:51:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:22,882 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2020-09-24 21:51:22,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:51:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2020-09-24 21:51:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 21:51:22,883 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:22,883 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] [2020-09-24 21:51:22,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 21:51:22,883 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:22,884 INFO L82 PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times [2020-09-24 21:51:22,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:22,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621667128] [2020-09-24 21:51:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:22,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:23,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:23,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:51:23,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:51:23,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 895 [2020-09-24 21:51:23,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:51:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 21:51:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:23,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:23,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:23,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:23,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:23,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:51:23,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:23,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:23,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621667128] [2020-09-24 21:51:23,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:23,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:51:23,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545491229] [2020-09-24 21:51:23,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:51:23,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:23,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:51:23,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:51:23,939 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand 9 states. [2020-09-24 21:51:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:24,389 INFO L93 Difference]: Finished difference Result 241 states and 248 transitions. [2020-09-24 21:51:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:51:24,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-24 21:51:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:24,391 INFO L225 Difference]: With dead ends: 241 [2020-09-24 21:51:24,391 INFO L226 Difference]: Without dead ends: 229 [2020-09-24 21:51:24,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:51:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-09-24 21:51:24,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 188. [2020-09-24 21:51:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-24 21:51:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions. [2020-09-24 21:51:24,400 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 58 [2020-09-24 21:51:24,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:24,401 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 194 transitions. [2020-09-24 21:51:24,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:51:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions. [2020-09-24 21:51:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 21:51:24,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:24,405 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] [2020-09-24 21:51:24,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 21:51:24,406 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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times [2020-09-24 21:51:24,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:24,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070538259] [2020-09-24 21:51:24,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:24,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:24,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:26,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:26,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:27,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 21:51:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:29,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:29,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:29,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:29,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:29,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:51:29,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:29,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070538259] [2020-09-24 21:51:29,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:29,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:29,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980852170] [2020-09-24 21:51:29,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:29,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:29,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:29,488 INFO L87 Difference]: Start difference. First operand 188 states and 194 transitions. Second operand 8 states. [2020-09-24 21:51:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:29,971 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2020-09-24 21:51:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:51:29,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-24 21:51:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:29,973 INFO L225 Difference]: With dead ends: 188 [2020-09-24 21:51:29,973 INFO L226 Difference]: Without dead ends: 186 [2020-09-24 21:51:29,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:51:29,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-24 21:51:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-09-24 21:51:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-24 21:51:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions. [2020-09-24 21:51:29,984 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 66 [2020-09-24 21:51:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:29,984 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 192 transitions. [2020-09-24 21:51:29,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions. [2020-09-24 21:51:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 21:51:29,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:29,986 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] [2020-09-24 21:51:29,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 21:51:29,986 INFO L427 AbstractCegarLoop]: === Iteration 18 === [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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:29,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:29,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times [2020-09-24 21:51:29,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:29,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954643348] [2020-09-24 21:51:29,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:30,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:30,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:30,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:32,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 21:51:32,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:51:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2350 [2020-09-24 21:51:32,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:51:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 21:51:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:32,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:32,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:32,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:32,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:32,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:51:32,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:32,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:32,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:51:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:32,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954643348] [2020-09-24 21:51:32,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:32,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:32,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508108438] [2020-09-24 21:51:32,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:32,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:32,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:32,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:32,507 INFO L87 Difference]: Start difference. First operand 186 states and 192 transitions. Second operand 8 states. [2020-09-24 21:51:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:32,956 INFO L93 Difference]: Finished difference Result 186 states and 192 transitions. [2020-09-24 21:51:32,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:51:32,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-24 21:51:32,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:32,959 INFO L225 Difference]: With dead ends: 186 [2020-09-24 21:51:32,959 INFO L226 Difference]: Without dead ends: 174 [2020-09-24 21:51:32,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:51:32,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-09-24 21:51:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-09-24 21:51:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-09-24 21:51:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 180 transitions. [2020-09-24 21:51:32,967 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 180 transitions. Word has length 71 [2020-09-24 21:51:32,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:32,968 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 180 transitions. [2020-09-24 21:51:32,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions. [2020-09-24 21:51:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 21:51:32,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:32,969 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] [2020-09-24 21:51:32,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 21:51:32,970 INFO L427 AbstractCegarLoop]: === Iteration 19 === [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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:32,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:32,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1231856020, now seen corresponding path program 1 times [2020-09-24 21:51:32,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:32,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153882228] [2020-09-24 21:51:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:33,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:33,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:36,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:36,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 21:51:36,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:51:36,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3573 [2020-09-24 21:51:36,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:36,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:51:36,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 21:51:36,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:36,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:36,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:36,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:36,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:36,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:36,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:36,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:36,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153882228] [2020-09-24 21:51:36,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:36,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:36,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315019482] [2020-09-24 21:51:36,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:36,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:36,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:36,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:36,678 INFO L87 Difference]: Start difference. First operand 174 states and 180 transitions. Second operand 8 states. [2020-09-24 21:51:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:37,170 INFO L93 Difference]: Finished difference Result 225 states and 233 transitions. [2020-09-24 21:51:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:37,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-24 21:51:37,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:37,172 INFO L225 Difference]: With dead ends: 225 [2020-09-24 21:51:37,172 INFO L226 Difference]: Without dead ends: 223 [2020-09-24 21:51:37,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:51:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-09-24 21:51:37,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 162. [2020-09-24 21:51:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-24 21:51:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions. [2020-09-24 21:51:37,182 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 71 [2020-09-24 21:51:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:37,183 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 168 transitions. [2020-09-24 21:51:37,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions. [2020-09-24 21:51:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 21:51:37,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:37,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:51:37,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 21:51:37,185 INFO L427 AbstractCegarLoop]: === Iteration 20 === [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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:37,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:37,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times [2020-09-24 21:51:37,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:37,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479114509] [2020-09-24 21:51:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:37,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:37,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:40,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:40,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3342 [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 21:51:40,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:40,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:40,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:40,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:40,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:40,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:40,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:40,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:40,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479114509] [2020-09-24 21:51:40,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:40,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:40,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693650892] [2020-09-24 21:51:40,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:40,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:40,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:40,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:40,687 INFO L87 Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 8 states. [2020-09-24 21:51:41,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:41,250 INFO L93 Difference]: Finished difference Result 210 states and 218 transitions. [2020-09-24 21:51:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:51:41,251 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-24 21:51:41,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:41,253 INFO L225 Difference]: With dead ends: 210 [2020-09-24 21:51:41,253 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 21:51:41,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:51:41,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 21:51:41,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 145. [2020-09-24 21:51:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 21:51:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions. [2020-09-24 21:51:41,260 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 78 [2020-09-24 21:51:41,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:41,261 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions. [2020-09-24 21:51:41,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2020-09-24 21:51:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 21:51:41,262 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:51:41,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:51:41,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 21:51:41,262 INFO L427 AbstractCegarLoop]: === Iteration 21 === [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, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:51:41,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:51:41,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times [2020-09-24 21:51:41,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:51:41,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70374502] [2020-09-24 21:51:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:51:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:41,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:41,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:41,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:44,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:44,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:51:44,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:51:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3213 [2020-09-24 21:51:44,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:51:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 21:51:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 21:51:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:51:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:51:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:51:44,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:51:44,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:51:44,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:51:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:51:44,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:51:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:51:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:51:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:51:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:51:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:51:44,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70374502] [2020-09-24 21:51:44,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:51:44,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:51:44,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746211659] [2020-09-24 21:51:44,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:51:44,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:51:44,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:51:44,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:51:44,606 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 8 states. [2020-09-24 21:51:45,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:51:45,045 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2020-09-24 21:51:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:51:45,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-24 21:51:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:51:45,046 INFO L225 Difference]: With dead ends: 145 [2020-09-24 21:51:45,046 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:51:45,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:51:45,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:51:45,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:51:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:51:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:51:45,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-24 21:51:45,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:51:45,048 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:51:45,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:51:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:51:45,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:51:45,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 21:51:45,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:51:45,225 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 42 [2020-09-24 21:51:45,371 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2020-09-24 21:51:45,731 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 7 [2020-09-24 21:51:45,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:51:45,794 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 21:51:45,795 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 21:51:45,795 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 21:51:45,795 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_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 21:51:45,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:51:45,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:51:45,796 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 21:51:45,796 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 21:51:45,796 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:51:45,796 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 21:51:45,797 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 21:51:45,797 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 21:51:45,797 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 21:51:45,797 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 21:51:45,797 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-09-24 21:51:45,797 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) 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)) [2020-09-24 21:51:45,798 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-24 21:51:45,798 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 21:51:45,798 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-09-24 21:51:45,798 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-09-24 21:51:45,799 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 21:51:45,799 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-24 21:51:45,799 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 21:51:45,799 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 21:51:45,799 INFO L268 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-09-24 21:51:45,799 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 21:51:45,800 INFO L268 CegarLoopResult]: For program point L102-2(line 102) no Hoare annotation was computed. [2020-09-24 21:51:45,800 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-24 21:51:45,801 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 21:51:45,801 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 21:51:45,802 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 21:51:45,803 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-09-24 21:51:45,804 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 21:51:45,805 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 21:51:45,805 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-24 21:51:45,805 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 21:51:45,805 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 21:51:45,806 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 21:51:45,807 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 21:51:45,808 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 21:51:45,809 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 21:51:45,809 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-09-24 21:51:45,809 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 21:51:45,810 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 21:51:45,811 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 21:51:45,812 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 21:51:45,812 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-24 21:51:45,812 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 21:51:45,812 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 21:51:45,813 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 21:51:45,814 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 21:51:45,815 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1))) [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 21:51:45,816 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 21:51:45,817 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 21:51:45,818 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-09-24 21:51:45,818 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 21:51:45,818 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 21:51:45,818 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 21:51:45,818 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-24 21:51:45,819 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-24 21:51:45,819 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 21:51:45,819 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 21:51:45,819 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 21:51:45,819 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-09-24 21:51:45,819 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-09-24 21:51:45,820 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 21:51:45,820 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-24 21:51:45,820 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 21:51:45,820 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 21:51:45,820 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-09-24 21:51:45,820 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 21:51:45,821 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-09-24 21:51:45,822 INFO L264 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: (<= main_~main__t~0 main_~main__tagbuf_len~0) [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 21:51:45,823 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point L98-2(line 98) no Hoare annotation was computed. [2020-09-24 21:51:45,824 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-24 21:51:45,826 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-09-24 21:51:45,826 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 21:51:45,826 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 21:51:45,826 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-24 21:51:45,826 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 21:51:45,826 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 21:51:45,827 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-09-24 21:51:45,828 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 21:51:45,829 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-09-24 21:51:45,830 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 21:51:45,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:51:45 BoogieIcfgContainer [2020-09-24 21:51:45,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:51:45,871 INFO L168 Benchmark]: Toolchain (without parser) took 44901.16 ms. Allocated memory was 146.3 MB in the beginning and 442.5 MB in the end (delta: 296.2 MB). Free memory was 102.4 MB in the beginning and 229.7 MB in the end (delta: -127.3 MB). Peak memory consumption was 168.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:51:45,875 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 21:51:45,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.56 ms. Allocated memory is still 146.3 MB. Free memory was 101.7 MB in the beginning and 88.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:51:45,876 INFO L168 Benchmark]: Boogie Preprocessor took 141.74 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 88.8 MB in the beginning and 179.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-24 21:51:45,878 INFO L168 Benchmark]: RCFGBuilder took 606.09 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 142.3 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2020-09-24 21:51:45,878 INFO L168 Benchmark]: TraceAbstraction took 43763.29 ms. Allocated memory was 202.4 MB in the beginning and 442.5 MB in the end (delta: 240.1 MB). Free memory was 141.6 MB in the beginning and 229.7 MB in the end (delta: -88.1 MB). Peak memory consumption was 152.0 MB. Max. memory is 7.1 GB. [2020-09-24 21:51:45,883 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 380.56 ms. Allocated memory is still 146.3 MB. Free memory was 101.7 MB in the beginning and 88.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.74 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 88.8 MB in the beginning and 179.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 606.09 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 142.3 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43763.29 ms. Allocated memory was 202.4 MB in the beginning and 442.5 MB in the end (delta: 240.1 MB). Free memory was 141.6 MB in the beginning and 229.7 MB in the end (delta: -88.1 MB). Peak memory consumption was 152.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t < main__tagbuf_len + 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.8s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3444 SDtfs, 7495 SDslu, 7203 SDs, 0 SdLazy, 8669 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 68 SyntacticMatches, 22 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred 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, 21 MinimizatonAttempts, 1224 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 72 HoareAnnotationTreeSize, 9 FomulaSimplifications, 582743 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4097 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 30.3s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 244539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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...