/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:42:38,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:42:38,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:42:38,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:42:38,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:42:38,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:42:38,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:42:38,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:42:38,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:42:38,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:42:38,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:42:38,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:42:38,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:42:38,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:42:38,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:42:38,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:42:38,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:42:38,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:42:38,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:42:38,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:42:38,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:42:38,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:42:38,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:42:38,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:42:38,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:42:38,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:42:38,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:42:38,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:42:38,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:42:38,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:42:38,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:42:38,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:42:38,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:42:38,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:42:38,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:42:38,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:42:38,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:42:38,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:42:38,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:42:38,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:42:38,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:42:38,534 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 20:42:38,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:42:38,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:42:38,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:42:38,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:42:38,566 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:42:38,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:42:38,567 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:42:38,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:42:38,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:42:38,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:42:38,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:42:38,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:42:38,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:42:38,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:42:38,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:42:38,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:42:38,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:42:38,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:42:38,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:42:38,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:42:38,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:42:38,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:42:38,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:42:38,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:42:38,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:42:38,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:42:38,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:42:38,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:42:38,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:42:38,574 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:42:39,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:42:39,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:42:39,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:42:39,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:42:39,080 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:42:39,082 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-24 20:42:39,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc69271ba/074c36f5c9c24226b56a9c71aba7fd8c/FLAG4f19d14d5 [2020-09-24 20:42:39,771 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:42:39,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-24 20:42:39,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc69271ba/074c36f5c9c24226b56a9c71aba7fd8c/FLAG4f19d14d5 [2020-09-24 20:42:40,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc69271ba/074c36f5c9c24226b56a9c71aba7fd8c [2020-09-24 20:42:40,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:42:40,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:42:40,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:42:40,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:42:40,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:42:40,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8b5cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40, skipping insertion in model container [2020-09-24 20:42:40,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:42:40,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:42:40,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:42:40,482 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:42:40,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:42:40,542 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:42:40,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40 WrapperNode [2020-09-24 20:42:40,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:42:40,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:42:40,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:42:40,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:42:40,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (1/1) ... [2020-09-24 20:42:40,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:42:40,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:42:40,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:42:40,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:42:40,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (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 20:42:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:42:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:42:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:42:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:42:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:42:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:42:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:42:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 20:42:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:42:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:42:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:42:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:42:41,316 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:42:41,316 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 20:42:41,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:42:41 BoogieIcfgContainer [2020-09-24 20:42:41,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:42:41,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:42:41,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:42:41,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:42:41,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:42:40" (1/3) ... [2020-09-24 20:42:41,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d5b26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:42:41, skipping insertion in model container [2020-09-24 20:42:41,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:40" (2/3) ... [2020-09-24 20:42:41,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d5b26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:42:41, skipping insertion in model container [2020-09-24 20:42:41,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:42:41" (3/3) ... [2020-09-24 20:42:41,337 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2020-09-24 20:42:41,351 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:42:41,363 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2020-09-24 20:42:41,389 INFO L251 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2020-09-24 20:42:41,427 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:42:41,428 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:42:41,428 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:42:41,428 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:42:41,428 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:42:41,429 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:42:41,429 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:42:41,429 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:42:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-09-24 20:42:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-24 20:42:41,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:41,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:42:41,478 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:41,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1480175740, now seen corresponding path program 1 times [2020-09-24 20:42:41,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:41,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454706228] [2020-09-24 20:42:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:41,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:41,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:42:41,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:41,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-09-24 20:42:42,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:42:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:42:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:42:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 20:42:42,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:42,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:42,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:42,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:42,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:42:42,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:42,140 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 20:42:42,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454706228] [2020-09-24 20:42:42,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:42,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 20:42:42,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365276884] [2020-09-24 20:42:42,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 20:42:42,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:42,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 20:42:42,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 20:42:42,173 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 6 states. [2020-09-24 20:42:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:42,762 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2020-09-24 20:42:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:42:42,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-09-24 20:42:42,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:42,781 INFO L225 Difference]: With dead ends: 221 [2020-09-24 20:42:42,782 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 20:42:42,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:42:42,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 20:42:42,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-24 20:42:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 20:42:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2020-09-24 20:42:42,861 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 30 [2020-09-24 20:42:42,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:42,862 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2020-09-24 20:42:42,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 20:42:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2020-09-24 20:42:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 20:42:42,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:42,864 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 20:42:42,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:42:42,865 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:42,865 INFO L82 PathProgramCache]: Analyzing trace with hash 983595193, now seen corresponding path program 1 times [2020-09-24 20:42:42,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:42,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523691709] [2020-09-24 20:42:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:42,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:43,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:43,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 20:42:43,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-24 20:42:43,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:43,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:42:43,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:42:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 20:42:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:42:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:43,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:43,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:42:43,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:43,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:42:43,216 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 20:42:43,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523691709] [2020-09-24 20:42:43,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:43,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:42:43,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619189779] [2020-09-24 20:42:43,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:42:43,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:43,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:42:43,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:42:43,221 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand 8 states. [2020-09-24 20:42:44,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:44,106 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 20:42:44,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 20:42:44,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 20:42:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:44,111 INFO L225 Difference]: With dead ends: 287 [2020-09-24 20:42:44,111 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 20:42:44,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:42:44,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 20:42:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 179. [2020-09-24 20:42:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-09-24 20:42:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions. [2020-09-24 20:42:44,141 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 33 [2020-09-24 20:42:44,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:44,144 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions. [2020-09-24 20:42:44,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:42:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2020-09-24 20:42:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 20:42:44,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:44,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:42:44,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:42:44,146 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:44,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:44,147 INFO L82 PathProgramCache]: Analyzing trace with hash -378774596, now seen corresponding path program 1 times [2020-09-24 20:42:44,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:44,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781724832] [2020-09-24 20:42:44,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:44,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:44,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:44,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 20:42:44,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 20:42:44,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:42:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:42:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 20:42:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:44,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:44,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:44,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:44,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:44,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:44,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:44,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:44,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:44,353 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 20:42:44,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781724832] [2020-09-24 20:42:44,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:44,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:42:44,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342256463] [2020-09-24 20:42:44,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:42:44,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:44,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:42:44,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:42:44,356 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand 8 states. [2020-09-24 20:42:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:44,923 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2020-09-24 20:42:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:42:44,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-09-24 20:42:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:44,926 INFO L225 Difference]: With dead ends: 179 [2020-09-24 20:42:44,926 INFO L226 Difference]: Without dead ends: 177 [2020-09-24 20:42:44,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:42:44,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-24 20:42:44,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-09-24 20:42:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-24 20:42:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 181 transitions. [2020-09-24 20:42:44,939 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 181 transitions. Word has length 35 [2020-09-24 20:42:44,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:44,939 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 181 transitions. [2020-09-24 20:42:44,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:42:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2020-09-24 20:42:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 20:42:44,941 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:44,941 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] [2020-09-24 20:42:44,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:42:44,942 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:44,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:44,942 INFO L82 PathProgramCache]: Analyzing trace with hash 856839139, now seen corresponding path program 1 times [2020-09-24 20:42:44,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:44,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544000435] [2020-09-24 20:42:44,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:44,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:44,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:45,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:45,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:46,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:46,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:42:46,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:42:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1371 [2020-09-24 20:42:46,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:42:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 20:42:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 20:42:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:42:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:46,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:46,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:46,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:46,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:46,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:42:46,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:46,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:46,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:46,543 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 20:42:46,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544000435] [2020-09-24 20:42:46,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:46,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 20:42:46,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593889021] [2020-09-24 20:42:46,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 20:42:46,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:46,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 20:42:46,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:42:46,546 INFO L87 Difference]: Start difference. First operand 177 states and 181 transitions. Second operand 11 states. [2020-09-24 20:42:47,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:47,141 INFO L93 Difference]: Finished difference Result 177 states and 181 transitions. [2020-09-24 20:42:47,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:42:47,142 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-09-24 20:42:47,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:47,144 INFO L225 Difference]: With dead ends: 177 [2020-09-24 20:42:47,144 INFO L226 Difference]: Without dead ends: 175 [2020-09-24 20:42:47,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:42:47,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-24 20:42:47,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-24 20:42:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 20:42:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 20:42:47,155 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 43 [2020-09-24 20:42:47,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:47,155 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 20:42:47,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 20:42:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 20:42:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 20:42:47,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:47,157 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 20:42:47,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 20:42:47,158 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:47,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:47,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1814856032, now seen corresponding path program 1 times [2020-09-24 20:42:47,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:47,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537217633] [2020-09-24 20:42:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:47,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:47,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:47,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:47,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:48,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:48,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:42:48,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:42:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1537 [2020-09-24 20:42:48,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:42:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 20:42:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 20:42:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:48,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:48,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:48,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:48,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:48,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:48,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:48,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:48,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:48,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:48,861 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 20:42:48,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537217633] [2020-09-24 20:42:48,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:48,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 20:42:48,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58052623] [2020-09-24 20:42:48,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 20:42:48,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:48,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 20:42:48,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:42:48,864 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 11 states. [2020-09-24 20:42:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:49,530 INFO L93 Difference]: Finished difference Result 251 states and 259 transitions. [2020-09-24 20:42:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:42:49,530 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-09-24 20:42:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:49,533 INFO L225 Difference]: With dead ends: 251 [2020-09-24 20:42:49,535 INFO L226 Difference]: Without dead ends: 249 [2020-09-24 20:42:49,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:42:49,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-24 20:42:49,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 173. [2020-09-24 20:42:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 20:42:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 20:42:49,561 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 43 [2020-09-24 20:42:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:49,561 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 20:42:49,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 20:42:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 20:42:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 20:42:49,565 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:49,566 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 20:42:49,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 20:42:49,566 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:49,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:49,567 INFO L82 PathProgramCache]: Analyzing trace with hash -321095215, now seen corresponding path program 1 times [2020-09-24 20:42:49,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:49,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212984661] [2020-09-24 20:42:49,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:49,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:49,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:50,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 20:42:50,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:42:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 966 [2020-09-24 20:42:50,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:42:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:42:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 20:42:50,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:50,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:50,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:50,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:50,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:50,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:50,639 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 20:42:50,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212984661] [2020-09-24 20:42:50,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:50,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:42:50,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938278990] [2020-09-24 20:42:50,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:42:50,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:50,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:42:50,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:42:50,641 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 8 states. [2020-09-24 20:42:51,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:51,098 INFO L93 Difference]: Finished difference Result 173 states and 177 transitions. [2020-09-24 20:42:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:42:51,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 20:42:51,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:51,101 INFO L225 Difference]: With dead ends: 173 [2020-09-24 20:42:51,101 INFO L226 Difference]: Without dead ends: 161 [2020-09-24 20:42:51,102 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 20:42:51,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-24 20:42:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-09-24 20:42:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-09-24 20:42:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions. [2020-09-24 20:42:51,114 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 48 [2020-09-24 20:42:51,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:51,115 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions. [2020-09-24 20:42:51,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:42:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2020-09-24 20:42:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 20:42:51,122 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:51,123 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 20:42:51,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 20:42:51,123 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:51,124 INFO L82 PathProgramCache]: Analyzing trace with hash -153858296, now seen corresponding path program 1 times [2020-09-24 20:42:51,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:51,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237676027] [2020-09-24 20:42:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:51,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:51,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:51,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 20:42:51,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:42:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-24 20:42:51,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:42:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 20:42:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 20:42:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:51,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:51,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:51,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:51,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:51,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:51,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:51,569 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 20:42:51,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [237676027] [2020-09-24 20:42:51,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:51,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:42:51,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297496240] [2020-09-24 20:42:51,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:42:51,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:51,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:42:51,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:42:51,571 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 8 states. [2020-09-24 20:42:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:52,544 INFO L93 Difference]: Finished difference Result 366 states and 375 transitions. [2020-09-24 20:42:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:42:52,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 20:42:52,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:52,548 INFO L225 Difference]: With dead ends: 366 [2020-09-24 20:42:52,548 INFO L226 Difference]: Without dead ends: 364 [2020-09-24 20:42:52,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:42:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-09-24 20:42:52,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 159. [2020-09-24 20:42:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 20:42:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 20:42:52,557 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 20:42:52,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:52,557 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 20:42:52,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:42:52,557 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 20:42:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 20:42:52,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:52,559 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 20:42:52,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 20:42:52,559 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:52,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:52,559 INFO L82 PathProgramCache]: Analyzing trace with hash -720035671, now seen corresponding path program 1 times [2020-09-24 20:42:52,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:52,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26774117] [2020-09-24 20:42:52,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:52,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:52,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:53,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:53,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 20:42:53,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:42:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-09-24 20:42:53,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:42:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:42:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 20:42:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:53,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:53,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:53,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:53,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:53,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:53,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:53,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:53,506 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 20:42:53,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26774117] [2020-09-24 20:42:53,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:53,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:42:53,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237698713] [2020-09-24 20:42:53,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:42:53,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:53,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:42:53,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:42:53,508 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 10 states. [2020-09-24 20:42:54,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:54,168 INFO L93 Difference]: Finished difference Result 235 states and 242 transitions. [2020-09-24 20:42:54,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:42:54,168 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-09-24 20:42:54,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:54,170 INFO L225 Difference]: With dead ends: 235 [2020-09-24 20:42:54,170 INFO L226 Difference]: Without dead ends: 223 [2020-09-24 20:42:54,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:42:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-09-24 20:42:54,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 147. [2020-09-24 20:42:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 20:42:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2020-09-24 20:42:54,177 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 48 [2020-09-24 20:42:54,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:54,178 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2020-09-24 20:42:54,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:42:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2020-09-24 20:42:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 20:42:54,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:54,179 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 20:42:54,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 20:42:54,180 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:54,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:54,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1338866642, now seen corresponding path program 1 times [2020-09-24 20:42:54,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:54,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173625161] [2020-09-24 20:42:54,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:54,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:54,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:54,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:54,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 20:42:54,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:42:54,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-24 20:42:54,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:42:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 20:42:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 20:42:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:42:54,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:54,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:54,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:54,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:54,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:54,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:54,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:42:54,634 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 20:42:54,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173625161] [2020-09-24 20:42:54,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:54,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:42:54,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724106922] [2020-09-24 20:42:54,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:42:54,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:54,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:42:54,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:42:54,637 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand 9 states. [2020-09-24 20:42:55,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:55,107 INFO L93 Difference]: Finished difference Result 227 states and 233 transitions. [2020-09-24 20:42:55,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 20:42:55,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 20:42:55,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:55,109 INFO L225 Difference]: With dead ends: 227 [2020-09-24 20:42:55,110 INFO L226 Difference]: Without dead ends: 225 [2020-09-24 20:42:55,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-24 20:42:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-24 20:42:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 145. [2020-09-24 20:42:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 20:42:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2020-09-24 20:42:55,119 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 53 [2020-09-24 20:42:55,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:55,120 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2020-09-24 20:42:55,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:42:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2020-09-24 20:42:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 20:42:55,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:55,121 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 20:42:55,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 20:42:55,122 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:55,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:55,122 INFO L82 PathProgramCache]: Analyzing trace with hash -705283452, now seen corresponding path program 1 times [2020-09-24 20:42:55,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:55,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661306450] [2020-09-24 20:42:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:55,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:55,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:55,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:55,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 20:42:55,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:42:55,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-24 20:42:55,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:55,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:42:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 20:42:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 20:42:55,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:55,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:55,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:55,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:55,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:55,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:55,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:55,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:55,561 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 20:42:55,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661306450] [2020-09-24 20:42:55,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:55,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:42:55,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407077138] [2020-09-24 20:42:55,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:42:55,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:55,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:42:55,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:42:55,564 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 9 states. [2020-09-24 20:42:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:55,958 INFO L93 Difference]: Finished difference Result 208 states and 214 transitions. [2020-09-24 20:42:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 20:42:55,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 20:42:55,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:55,961 INFO L225 Difference]: With dead ends: 208 [2020-09-24 20:42:55,961 INFO L226 Difference]: Without dead ends: 206 [2020-09-24 20:42:55,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-24 20:42:55,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-09-24 20:42:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 143. [2020-09-24 20:42:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-24 20:42:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2020-09-24 20:42:55,971 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 53 [2020-09-24 20:42:55,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:55,971 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2020-09-24 20:42:55,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:42:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2020-09-24 20:42:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 20:42:55,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:55,973 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 20:42:55,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 20:42:55,974 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:55,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1450324932, now seen corresponding path program 1 times [2020-09-24 20:42:55,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:55,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058462052] [2020-09-24 20:42:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:56,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:56,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 20:42:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:42:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-24 20:42:56,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:56,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:42:56,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 20:42:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 20:42:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:56,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:56,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:56,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:56,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:56,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:56,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:56,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:56,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:56,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:56,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:56,391 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 20:42:56,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058462052] [2020-09-24 20:42:56,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:56,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:42:56,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103975800] [2020-09-24 20:42:56,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:42:56,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:56,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:42:56,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:42:56,394 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 9 states. [2020-09-24 20:42:56,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:56,779 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-24 20:42:56,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 20:42:56,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 20:42:56,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:56,781 INFO L225 Difference]: With dead ends: 159 [2020-09-24 20:42:56,781 INFO L226 Difference]: Without dead ends: 157 [2020-09-24 20:42:56,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:42:56,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-24 20:42:56,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2020-09-24 20:42:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-24 20:42:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2020-09-24 20:42:56,787 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 53 [2020-09-24 20:42:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:56,788 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2020-09-24 20:42:56,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:42:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2020-09-24 20:42:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 20:42:56,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:56,789 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 20:42:56,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 20:42:56,789 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:56,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:56,790 INFO L82 PathProgramCache]: Analyzing trace with hash -176330525, now seen corresponding path program 1 times [2020-09-24 20:42:56,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:56,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206732922] [2020-09-24 20:42:56,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:56,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:57,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:57,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 20:42:57,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:42:57,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-09-24 20:42:57,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:42:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:42:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 20:42:57,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:57,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:57,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:57,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:57,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:57,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:57,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:42:57,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:57,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:42:57,584 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 20:42:57,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206732922] [2020-09-24 20:42:57,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:57,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:42:57,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358988183] [2020-09-24 20:42:57,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:42:57,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:57,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:42:57,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:42:57,588 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 10 states. [2020-09-24 20:42:58,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:42:58,695 INFO L93 Difference]: Finished difference Result 313 states and 323 transitions. [2020-09-24 20:42:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:42:58,696 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 20:42:58,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:42:58,698 INFO L225 Difference]: With dead ends: 313 [2020-09-24 20:42:58,698 INFO L226 Difference]: Without dead ends: 311 [2020-09-24 20:42:58,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:42:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-09-24 20:42:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 139. [2020-09-24 20:42:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-09-24 20:42:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions. [2020-09-24 20:42:58,710 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 53 [2020-09-24 20:42:58,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:42:58,710 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions. [2020-09-24 20:42:58,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:42:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2020-09-24 20:42:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 20:42:58,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:42:58,711 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 20:42:58,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 20:42:58,712 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:42:58,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:42:58,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1223452514, now seen corresponding path program 1 times [2020-09-24 20:42:58,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:42:58,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203109530] [2020-09-24 20:42:58,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:42:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:58,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:59,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:42:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:42:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 884 [2020-09-24 20:42:59,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:42:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:42:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 20:42:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:42:59,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:42:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:42:59,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:42:59,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:42:59,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:42:59,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:42:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:42:59,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:42:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:42:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:42:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:42:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:42:59,771 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 20:42:59,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203109530] [2020-09-24 20:42:59,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:42:59,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:42:59,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960876168] [2020-09-24 20:42:59,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:42:59,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:42:59,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:42:59,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:42:59,774 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand 10 states. [2020-09-24 20:43:00,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:43:00,367 INFO L93 Difference]: Finished difference Result 204 states and 210 transitions. [2020-09-24 20:43:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 20:43:00,368 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 20:43:00,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:43:00,369 INFO L225 Difference]: With dead ends: 204 [2020-09-24 20:43:00,369 INFO L226 Difference]: Without dead ends: 202 [2020-09-24 20:43:00,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:43:00,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-09-24 20:43:00,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 137. [2020-09-24 20:43:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-09-24 20:43:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 141 transitions. [2020-09-24 20:43:00,376 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 141 transitions. Word has length 58 [2020-09-24 20:43:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:43:00,376 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 141 transitions. [2020-09-24 20:43:00,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:43:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2020-09-24 20:43:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 20:43:00,377 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:43:00,377 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 20:43:00,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 20:43:00,378 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:43:00,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:43:00,378 INFO L82 PathProgramCache]: Analyzing trace with hash 796591608, now seen corresponding path program 1 times [2020-09-24 20:43:00,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:43:00,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997302605] [2020-09-24 20:43:00,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:43:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:01,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:01,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:43:01,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:43:01,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-09-24 20:43:01,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:43:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:43:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 20:43:01,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:01,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:43:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:01,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:01,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:01,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:43:01,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:43:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:43:01,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:43:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:43:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:43:01,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:01,525 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 20:43:01,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997302605] [2020-09-24 20:43:01,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:43:01,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:43:01,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397661983] [2020-09-24 20:43:01,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:43:01,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:43:01,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:43:01,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:43:01,527 INFO L87 Difference]: Start difference. First operand 137 states and 141 transitions. Second operand 10 states. [2020-09-24 20:43:02,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:43:02,036 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2020-09-24 20:43:02,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 20:43:02,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 20:43:02,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:43:02,038 INFO L225 Difference]: With dead ends: 185 [2020-09-24 20:43:02,038 INFO L226 Difference]: Without dead ends: 183 [2020-09-24 20:43:02,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:43:02,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-24 20:43:02,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 135. [2020-09-24 20:43:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-24 20:43:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 139 transitions. [2020-09-24 20:43:02,045 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 139 transitions. Word has length 58 [2020-09-24 20:43:02,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:43:02,046 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 139 transitions. [2020-09-24 20:43:02,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:43:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2020-09-24 20:43:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 20:43:02,047 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:43:02,047 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 20:43:02,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 20:43:02,048 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:43:02,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:43:02,048 INFO L82 PathProgramCache]: Analyzing trace with hash 482062159, now seen corresponding path program 1 times [2020-09-24 20:43:02,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:43:02,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092021170] [2020-09-24 20:43:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:43:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:02,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:02,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:02,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:43:02,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:43:02,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-09-24 20:43:02,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:02,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:43:02,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:43:02,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 20:43:02,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:43:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:43:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:03,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:43:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:43:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:43:03,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:43:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:43:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:43:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:03,106 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 20:43:03,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092021170] [2020-09-24 20:43:03,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:43:03,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:43:03,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598427413] [2020-09-24 20:43:03,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:43:03,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:43:03,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:43:03,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:43:03,109 INFO L87 Difference]: Start difference. First operand 135 states and 139 transitions. Second operand 10 states. [2020-09-24 20:43:03,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:43:03,537 INFO L93 Difference]: Finished difference Result 135 states and 139 transitions. [2020-09-24 20:43:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:43:03,537 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 20:43:03,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:43:03,538 INFO L225 Difference]: With dead ends: 135 [2020-09-24 20:43:03,539 INFO L226 Difference]: Without dead ends: 123 [2020-09-24 20:43:03,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:43:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-24 20:43:03,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-09-24 20:43:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-24 20:43:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2020-09-24 20:43:03,547 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 58 [2020-09-24 20:43:03,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:43:03,547 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2020-09-24 20:43:03,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:43:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2020-09-24 20:43:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 20:43:03,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:43:03,548 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 20:43:03,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 20:43:03,550 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:43:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:43:03,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1558790018, now seen corresponding path program 1 times [2020-09-24 20:43:03,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:43:03,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706331470] [2020-09-24 20:43:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:43:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:03,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:03,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:03,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:03,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:05,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:06,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:06,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:06,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:08,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:08,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 20:43:08,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-24 20:43:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 20:43:08,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:43:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:43:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 20:43:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:43:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:43:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:43:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:43:08,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:43:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:43:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:43:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:08,787 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 20:43:08,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706331470] [2020-09-24 20:43:08,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:43:08,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 20:43:08,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775451676] [2020-09-24 20:43:08,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 20:43:08,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:43:08,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 20:43:08,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-24 20:43:08,789 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand 14 states. [2020-09-24 20:43:09,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:43:09,472 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-09-24 20:43:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:43:09,473 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2020-09-24 20:43:09,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:43:09,474 INFO L225 Difference]: With dead ends: 123 [2020-09-24 20:43:09,474 INFO L226 Difference]: Without dead ends: 121 [2020-09-24 20:43:09,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2020-09-24 20:43:09,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-24 20:43:09,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-09-24 20:43:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-24 20:43:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2020-09-24 20:43:09,487 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 66 [2020-09-24 20:43:09,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:43:09,487 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2020-09-24 20:43:09,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 20:43:09,488 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2020-09-24 20:43:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 20:43:09,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:43:09,489 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 20:43:09,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 20:43:09,489 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:43:09,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:43:09,489 INFO L82 PathProgramCache]: Analyzing trace with hash 923424153, now seen corresponding path program 1 times [2020-09-24 20:43:09,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:43:09,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971768165] [2020-09-24 20:43:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:43:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:09,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:09,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:10,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 20:43:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:43:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2688 [2020-09-24 20:43:12,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:43:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:43:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 20:43:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:43:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:43:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:43:12,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:43:12,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:43:12,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:43:12,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:43:12,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:43:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:43:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:43:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:43:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:43:12,292 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 20:43:12,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971768165] [2020-09-24 20:43:12,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:43:12,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:43:12,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456537263] [2020-09-24 20:43:12,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:43:12,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:43:12,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:43:12,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:43:12,295 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand 8 states. [2020-09-24 20:43:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:43:12,687 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2020-09-24 20:43:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:43:12,687 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-24 20:43:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:43:12,688 INFO L225 Difference]: With dead ends: 121 [2020-09-24 20:43:12,688 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:43:12,689 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 20:43:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:43:12,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:43:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:43:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:43:12,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-09-24 20:43:12,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:43:12,692 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:43:12,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:43:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:43:12,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:43:12,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 20:43:12,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:43:12,948 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-09-24 20:43:13,062 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2020-09-24 20:43:13,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 20:43:13,421 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 20:43:13,422 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 20:43:13,422 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 20:43:13,422 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_247_0~0 |old(~__tmp_247_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 20:43:13,422 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 20:43:13,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 20:43:13,423 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 20:43:13,423 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 20:43:13,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 20:43:13,423 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 20:43:13,424 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 20:43:13,424 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 20:43:13,424 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 20:43:13,424 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 20:43:13,424 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-24 20:43:13,425 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed. [2020-09-24 20:43:13,425 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 20:43:13,426 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 373) no Hoare annotation was computed. [2020-09-24 20:43:13,427 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 20:43:13,427 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-09-24 20:43:13,427 INFO L268 CegarLoopResult]: For program point L52(lines 52 252) no Hoare annotation was computed. [2020-09-24 20:43:13,427 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-24 20:43:13,427 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 20:43:13,428 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 20:43:13,428 INFO L268 CegarLoopResult]: For program point L69(lines 69 93) no Hoare annotation was computed. [2020-09-24 20:43:13,428 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 20:43:13,428 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-24 20:43:13,429 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 20:43:13,429 INFO L268 CegarLoopResult]: For program point L185(lines 185 195) no Hoare annotation was computed. [2020-09-24 20:43:13,429 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 20:43:13,429 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 20:43:13,429 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-24 20:43:13,430 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 308) no Hoare annotation was computed. [2020-09-24 20:43:13,430 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 20:43:13,431 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 20:43:13,432 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-24 20:43:13,433 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-24 20:43:13,434 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 20:43:13,434 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-24 20:43:13,434 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 20:43:13,434 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 20:43:13,434 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 20:43:13,434 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 20:43:13,435 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-24 20:43:13,435 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 20:43:13,435 INFO L268 CegarLoopResult]: For program point L335(lines 335 358) no Hoare annotation was computed. [2020-09-24 20:43:13,435 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 20:43:13,435 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 373) no Hoare annotation was computed. [2020-09-24 20:43:13,435 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-24 20:43:13,436 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2020-09-24 20:43:13,436 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 20:43:13,436 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 20:43:13,436 INFO L268 CegarLoopResult]: For program point L104(lines 104 208) no Hoare annotation was computed. [2020-09-24 20:43:13,436 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 20:43:13,436 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-24 20:43:13,437 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-24 20:43:13,437 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 20:43:13,437 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 20:43:13,438 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-24 20:43:13,438 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 20:43:13,438 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 20:43:13,439 INFO L268 CegarLoopResult]: For program point L22(lines 22 367) no Hoare annotation was computed. [2020-09-24 20:43:13,439 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 20:43:13,439 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 20:43:13,440 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-24 20:43:13,440 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 20:43:13,440 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-24 20:43:13,440 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 20:43:13,440 INFO L268 CegarLoopResult]: For program point L287(lines 287 361) no Hoare annotation was computed. [2020-09-24 20:43:13,440 INFO L268 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 337) no Hoare annotation was computed. [2020-09-24 20:43:13,441 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L139(lines 139 161) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L40(lines 40 254) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L123(lines 123 200) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 20:43:13,442 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 20:43:13,443 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 20:43:13,443 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 20:43:13,443 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-24 20:43:13,443 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 20:43:13,443 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-09-24 20:43:13,443 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 20:43:13,444 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-09-24 20:43:13,445 INFO L264 CegarLoopResult]: At program point L355(lines 281 362) the Hoare annotation is: (and (let ((.cse0 (not (= main_~__tmp_14~0 0))) (.cse1 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse2 (<= 0 main_~main__tagbuf_len~0)) (.cse3 (not (= main_~__VERIFIER_assert__cond~13 0))) (.cse4 (= main_~__VERIFIER_assert__cond~12 1)) (.cse5 (= main_~__tmp_13~0 1))) (or (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~13 1) .cse2 (= main_~__tmp_14~0 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 1 main_~__VERIFIER_assert__cond~17) (<= 1 main_~__tmp_18~0) .cse2 .cse3 .cse4 .cse5))) (<= 0 main_~main__t~0)) [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L322-2(line 322) no Hoare annotation was computed. [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 20:43:13,446 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 20:43:13,447 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-24 20:43:13,447 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L323(lines 323 360) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-24 20:43:13,448 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-24 20:43:13,449 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L275(lines 275 362) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-24 20:43:13,450 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 20:43:13,451 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2020-09-24 20:43:13,451 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-24 20:43:13,451 INFO L268 CegarLoopResult]: For program point L111(lines 111 202) no Hoare annotation was computed. [2020-09-24 20:43:13,451 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 20:43:13,451 INFO L264 CegarLoopResult]: At program point L326(lines 30 366) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-24 20:43:13,451 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-24 20:43:13,451 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 20:43:13,452 INFO L264 CegarLoopResult]: At program point L194(lines 58 252) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-24 20:43:13,452 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 20:43:13,452 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 20:43:13,452 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 20:43:13,452 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point L294(lines 294 316) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L268 CegarLoopResult]: For program point L30(lines 30 366) no Hoare annotation was computed. [2020-09-24 20:43:13,453 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 373) the Hoare annotation is: (and (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 349) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 20:43:13,454 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L213-2(line 213) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L81(lines 81 91) no Hoare annotation was computed. [2020-09-24 20:43:13,455 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-24 20:43:13,456 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-09-24 20:43:13,457 INFO L264 CegarLoopResult]: At program point L313(lines 30 366) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-09-24 20:43:13,457 INFO L268 CegarLoopResult]: For program point L214(lines 214 249) no Hoare annotation was computed. [2020-09-24 20:43:13,457 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 20:43:13,457 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 20:43:13,457 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-24 20:43:13,457 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 20:43:13,457 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-09-24 20:43:13,458 INFO L268 CegarLoopResult]: For program point L264(lines 264 364) no Hoare annotation was computed. [2020-09-24 20:43:13,458 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 20:43:13,466 INFO L268 CegarLoopResult]: For program point L132(lines 132 199) no Hoare annotation was computed. [2020-09-24 20:43:13,466 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point L347(lines 347 356) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L264 CegarLoopResult]: At program point L248(lines 100 250) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 20:43:13,467 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L100(lines 100 250) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 20:43:13,468 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L18(lines 18 372) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 20:43:13,469 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-09-24 20:43:13,470 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 20:43:13,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:43:13 BoogieIcfgContainer [2020-09-24 20:43:13,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 20:43:13,514 INFO L168 Benchmark]: Toolchain (without parser) took 33393.43 ms. Allocated memory was 138.9 MB in the beginning and 438.3 MB in the end (delta: 299.4 MB). Free memory was 101.9 MB in the beginning and 405.7 MB in the end (delta: -303.8 MB). Peak memory consumption was 314.0 MB. Max. memory is 7.1 GB. [2020-09-24 20:43:13,518 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 20:43:13,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.38 ms. Allocated memory is still 138.9 MB. Free memory was 101.3 MB in the beginning and 88.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-24 20:43:13,520 INFO L168 Benchmark]: Boogie Preprocessor took 123.55 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 88.7 MB in the beginning and 178.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-09-24 20:43:13,521 INFO L168 Benchmark]: RCFGBuilder took 657.69 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 142.7 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-09-24 20:43:13,522 INFO L168 Benchmark]: TraceAbstraction took 32183.50 ms. Allocated memory was 200.8 MB in the beginning and 438.3 MB in the end (delta: 237.5 MB). Free memory was 142.0 MB in the beginning and 405.7 MB in the end (delta: -263.7 MB). Peak memory consumption was 292.2 MB. Max. memory is 7.1 GB. [2020-09-24 20:43:13,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.38 ms. Allocated memory is still 138.9 MB. Free memory was 101.3 MB in the beginning and 88.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.55 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 88.7 MB in the beginning and 178.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 657.69 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 142.7 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32183.50 ms. Allocated memory was 200.8 MB in the beginning and 438.3 MB in the end (delta: 237.5 MB). Free memory was 142.0 MB in the beginning and 405.7 MB in the end (delta: -263.7 MB). Peak memory consumption was 292.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 153]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 296]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 223]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 308]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 277]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 141]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 125]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((1 <= main__t && 1 <= __tmp_2) && 1 <= __tmp_1) && main__t < main__tagbuf_len + 1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 1 <= __tmp_2) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && __VERIFIER_assert__cond == 1) && 0 <= main__tagbuf_len) && __tmp_14 == 1) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1) || (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_18) && 0 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1)) && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.2s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2862 SDtfs, 7887 SDslu, 6430 SDs, 0 SdLazy, 7459 SolverSat, 327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 62 SyntacticMatches, 5 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 907 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 142 HoareAnnotationTreeSize, 9 FomulaSimplifications, 50049 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1651 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 147404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...