/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:33:10,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:33:10,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:33:10,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:33:10,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:33:10,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:33:10,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:33:10,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:33:10,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:33:10,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:33:10,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:33:10,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:33:10,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:33:10,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:33:10,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:33:10,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:33:10,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:33:10,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:33:10,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:33:10,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:33:10,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:33:10,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:33:10,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:33:10,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:33:10,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:33:10,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:33:10,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:33:10,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:33:10,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:33:10,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:33:10,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:33:10,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:33:10,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:33:10,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:33:10,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:33:10,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:33:10,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:33:10,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:33:10,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:33:10,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:33:10,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:33:10,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 22:33:10,568 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:33:10,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:33:10,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:33:10,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:33:10,571 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:33:10,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:33:10,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:33:10,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:33:10,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:33:10,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:33:10,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:33:10,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:33:10,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:33:10,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:33:10,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:33:10,573 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:33:10,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:33:10,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:33:10,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:33:10,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:33:10,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:33:10,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:33:10,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:33:10,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:33:10,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:33:10,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:33:10,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:33:10,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:33:10,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:33:10,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:33:10,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:33:10,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:33:10,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:33:10,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:33:10,966 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:33:10,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-26 22:33:11,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca60d5d1e/03b2df8bc22a4e098e5be8ee18ca5e80/FLAG8c3a06038 [2020-10-26 22:33:11,841 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:33:11,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-26 22:33:11,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca60d5d1e/03b2df8bc22a4e098e5be8ee18ca5e80/FLAG8c3a06038 [2020-10-26 22:33:12,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca60d5d1e/03b2df8bc22a4e098e5be8ee18ca5e80 [2020-10-26 22:33:12,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:33:12,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:33:12,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:33:12,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:33:12,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:33:12,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efdc3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12, skipping insertion in model container [2020-10-26 22:33:12,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:33:12,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:33:12,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:33:12,645 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:33:12,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:33:12,796 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:33:12,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12 WrapperNode [2020-10-26 22:33:12,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:33:12,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:33:12,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:33:12,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:33:12,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... [2020-10-26 22:33:12,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:33:12,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:33:12,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:33:12,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:33:12,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:33:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:33:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:33:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:33:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:33:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:33:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:33:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:33:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:33:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:33:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:33:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:33:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:33:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:33:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:33:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:33:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:33:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:33:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:33:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:33:14,219 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:33:14,220 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:33:14,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:14 BoogieIcfgContainer [2020-10-26 22:33:14,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:33:14,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:33:14,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:33:14,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:33:14,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:33:12" (1/3) ... [2020-10-26 22:33:14,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca67485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:33:14, skipping insertion in model container [2020-10-26 22:33:14,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:12" (2/3) ... [2020-10-26 22:33:14,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca67485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:33:14, skipping insertion in model container [2020-10-26 22:33:14,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:14" (3/3) ... [2020-10-26 22:33:14,231 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-10-26 22:33:14,243 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:33:14,248 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:33:14,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:33:14,291 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:33:14,291 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:33:14,291 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:33:14,292 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:33:14,292 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:33:14,292 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:33:14,292 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:33:14,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:33:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:33:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-26 22:33:14,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:14,324 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] [2020-10-26 22:33:14,324 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:14,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:14,330 INFO L82 PathProgramCache]: Analyzing trace with hash 647699858, now seen corresponding path program 1 times [2020-10-26 22:33:14,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:14,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469160244] [2020-10-26 22:33:14,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:14,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:15,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:15,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-26 22:33:15,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:15,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-26 22:33:15,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-26 22:33:15,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:33:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:15,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:15,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:15,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:15,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-26 22:33:15,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:15,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:15,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469160244] [2020-10-26 22:33:15,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:33:15,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:33:15,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995085924] [2020-10-26 22:33:15,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:33:15,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:15,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:33:15,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:33:15,299 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:33:17,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:17,038 INFO L93 Difference]: Finished difference Result 593 states and 1011 transitions. [2020-10-26 22:33:17,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:17,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-10-26 22:33:17,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:17,071 INFO L225 Difference]: With dead ends: 593 [2020-10-26 22:33:17,071 INFO L226 Difference]: Without dead ends: 297 [2020-10-26 22:33:17,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-26 22:33:17,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2020-10-26 22:33:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-26 22:33:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 408 transitions. [2020-10-26 22:33:17,176 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 408 transitions. Word has length 45 [2020-10-26 22:33:17,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:17,177 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 408 transitions. [2020-10-26 22:33:17,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:33:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 408 transitions. [2020-10-26 22:33:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-26 22:33:17,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:17,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:17,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:33:17,183 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:17,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:17,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1878344367, now seen corresponding path program 1 times [2020-10-26 22:33:17,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:17,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004490843] [2020-10-26 22:33:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:17,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:17,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:17,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:17,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:17,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-10-26 22:33:17,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:33:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 22:33:17,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:18,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:18,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:18,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:18,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:18,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:18,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:33:18,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:18,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:18,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:18,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:18,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:18,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:18,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-26 22:33:18,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 22:33:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:33:18,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004490843] [2020-10-26 22:33:18,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:18,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:18,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788935350] [2020-10-26 22:33:18,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:33:18,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:18,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:33:18,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:18,391 INFO L87 Difference]: Start difference. First operand 297 states and 408 transitions. Second operand 6 states. [2020-10-26 22:33:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:19,877 INFO L93 Difference]: Finished difference Result 741 states and 1052 transitions. [2020-10-26 22:33:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:33:19,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2020-10-26 22:33:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:19,895 INFO L225 Difference]: With dead ends: 741 [2020-10-26 22:33:19,895 INFO L226 Difference]: Without dead ends: 450 [2020-10-26 22:33:19,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:33:19,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-10-26 22:33:19,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 444. [2020-10-26 22:33:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-26 22:33:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 599 transitions. [2020-10-26 22:33:19,940 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 599 transitions. Word has length 115 [2020-10-26 22:33:19,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:19,941 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 599 transitions. [2020-10-26 22:33:19,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:33:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 599 transitions. [2020-10-26 22:33:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-26 22:33:19,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:19,944 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:19,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:33:19,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:19,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1757689485, now seen corresponding path program 1 times [2020-10-26 22:33:19,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:19,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260630095] [2020-10-26 22:33:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:20,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-26 22:33:20,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:20,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-26 22:33:20,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:33:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-26 22:33:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:20,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:20,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:20,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:20,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:20,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:20,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:20,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:20,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:20,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:33:20,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-26 22:33:20,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:33:20,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-10-26 22:33:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:20,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260630095] [2020-10-26 22:33:20,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:20,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:20,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95886162] [2020-10-26 22:33:20,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:20,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:20,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:20,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:20,738 INFO L87 Difference]: Start difference. First operand 444 states and 599 transitions. Second operand 5 states. [2020-10-26 22:33:21,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:21,931 INFO L93 Difference]: Finished difference Result 764 states and 1054 transitions. [2020-10-26 22:33:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:21,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-26 22:33:21,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:21,939 INFO L225 Difference]: With dead ends: 764 [2020-10-26 22:33:21,939 INFO L226 Difference]: Without dead ends: 446 [2020-10-26 22:33:21,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:21,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-10-26 22:33:21,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 444. [2020-10-26 22:33:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-26 22:33:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 596 transitions. [2020-10-26 22:33:21,967 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 596 transitions. Word has length 124 [2020-10-26 22:33:21,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:21,968 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 596 transitions. [2020-10-26 22:33:21,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 596 transitions. [2020-10-26 22:33:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-26 22:33:21,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:21,972 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:21,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:33:21,972 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash 961048657, now seen corresponding path program 1 times [2020-10-26 22:33:21,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:21,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038722785] [2020-10-26 22:33:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:33:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-26 22:33:22,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:33:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-26 22:33:22,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:22,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:22,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:23,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:23,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:23,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:33:23,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-26 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-26 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:23,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038722785] [2020-10-26 22:33:23,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:33:23,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:33:23,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372212838] [2020-10-26 22:33:23,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:23,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:23,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:23,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:23,240 INFO L87 Difference]: Start difference. First operand 444 states and 596 transitions. Second operand 7 states. [2020-10-26 22:33:25,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:25,114 INFO L93 Difference]: Finished difference Result 1067 states and 1516 transitions. [2020-10-26 22:33:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:25,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2020-10-26 22:33:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:25,122 INFO L225 Difference]: With dead ends: 1067 [2020-10-26 22:33:25,122 INFO L226 Difference]: Without dead ends: 772 [2020-10-26 22:33:25,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:25,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-26 22:33:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 746. [2020-10-26 22:33:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-26 22:33:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 918 transitions. [2020-10-26 22:33:25,166 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 918 transitions. Word has length 126 [2020-10-26 22:33:25,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:25,166 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 918 transitions. [2020-10-26 22:33:25,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 918 transitions. [2020-10-26 22:33:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-26 22:33:25,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:25,172 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:25,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:33:25,172 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:25,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:25,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1443555216, now seen corresponding path program 1 times [2020-10-26 22:33:25,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:25,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494778074] [2020-10-26 22:33:25,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-26 22:33:25,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:25,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-26 22:33:25,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:33:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:26,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:26,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:26,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:26,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:26,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:26,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:33:26,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:26,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:26,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:26,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:26,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:26,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-26 22:33:26,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:26,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:26,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:26,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:26,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:33:26,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-26 22:33:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:33:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 102 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:33:26,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494778074] [2020-10-26 22:33:26,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:26,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:26,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211808361] [2020-10-26 22:33:26,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:26,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:26,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:26,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:26,488 INFO L87 Difference]: Start difference. First operand 746 states and 918 transitions. Second operand 7 states. [2020-10-26 22:33:28,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:28,869 INFO L93 Difference]: Finished difference Result 1653 states and 2174 transitions. [2020-10-26 22:33:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:28,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2020-10-26 22:33:28,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:28,876 INFO L225 Difference]: With dead ends: 1653 [2020-10-26 22:33:28,876 INFO L226 Difference]: Without dead ends: 1056 [2020-10-26 22:33:28,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:28,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-10-26 22:33:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1044. [2020-10-26 22:33:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-10-26 22:33:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1302 transitions. [2020-10-26 22:33:28,923 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1302 transitions. Word has length 187 [2020-10-26 22:33:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:28,924 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 1302 transitions. [2020-10-26 22:33:28,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1302 transitions. [2020-10-26 22:33:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-26 22:33:28,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:28,928 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:28,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:33:28,929 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:28,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:28,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1258893092, now seen corresponding path program 1 times [2020-10-26 22:33:28,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:28,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186729035] [2020-10-26 22:33:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:28,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:30,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-26 22:33:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-10-26 22:33:30,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:33:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:30,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:30,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:30,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:30,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:30,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:30,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:30,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:30,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:30,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 22:33:30,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:30,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:30,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:30,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:30,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:30,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-26 22:33:30,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:30,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186729035] [2020-10-26 22:33:30,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:30,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:30,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551398246] [2020-10-26 22:33:30,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:30,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:30,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:30,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:30,917 INFO L87 Difference]: Start difference. First operand 1044 states and 1302 transitions. Second operand 7 states. [2020-10-26 22:33:32,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:32,619 INFO L93 Difference]: Finished difference Result 2269 states and 2900 transitions. [2020-10-26 22:33:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:32,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-26 22:33:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:32,631 INFO L225 Difference]: With dead ends: 2269 [2020-10-26 22:33:32,631 INFO L226 Difference]: Without dead ends: 1374 [2020-10-26 22:33:32,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:32,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-10-26 22:33:32,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1054. [2020-10-26 22:33:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2020-10-26 22:33:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1243 transitions. [2020-10-26 22:33:32,694 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1243 transitions. Word has length 197 [2020-10-26 22:33:32,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:32,695 INFO L481 AbstractCegarLoop]: Abstraction has 1054 states and 1243 transitions. [2020-10-26 22:33:32,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1243 transitions. [2020-10-26 22:33:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-26 22:33:32,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:32,699 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:32,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:33:32,700 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:32,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:32,701 INFO L82 PathProgramCache]: Analyzing trace with hash 744166710, now seen corresponding path program 1 times [2020-10-26 22:33:32,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:32,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005999549] [2020-10-26 22:33:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:32,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-26 22:33:33,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-26 22:33:33,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:33:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:33:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:33:33,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:33,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:33,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:33,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:33,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:33,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:33,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:34,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-26 22:33:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:33:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:33:34,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-26 22:33:34,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:33:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 104 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:33:34,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005999549] [2020-10-26 22:33:34,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:34,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:33:34,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117470723] [2020-10-26 22:33:34,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:33:34,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:34,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:33:34,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:34,427 INFO L87 Difference]: Start difference. First operand 1054 states and 1243 transitions. Second operand 6 states. [2020-10-26 22:33:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:36,109 INFO L93 Difference]: Finished difference Result 2704 states and 3278 transitions. [2020-10-26 22:33:36,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:33:36,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 232 [2020-10-26 22:33:36,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:36,124 INFO L225 Difference]: With dead ends: 2704 [2020-10-26 22:33:36,124 INFO L226 Difference]: Without dead ends: 1799 [2020-10-26 22:33:36,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:33:36,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2020-10-26 22:33:36,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1793. [2020-10-26 22:33:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1793 states. [2020-10-26 22:33:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2083 transitions. [2020-10-26 22:33:36,178 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2083 transitions. Word has length 232 [2020-10-26 22:33:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:36,179 INFO L481 AbstractCegarLoop]: Abstraction has 1793 states and 2083 transitions. [2020-10-26 22:33:36,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:33:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2083 transitions. [2020-10-26 22:33:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-26 22:33:36,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:36,184 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:36,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:33:36,185 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:36,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:36,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1936966922, now seen corresponding path program 1 times [2020-10-26 22:33:36,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:36,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597751917] [2020-10-26 22:33:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:36,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:36,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:36,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-26 22:33:36,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-10-26 22:33:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:33:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-26 22:33:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:36,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:36,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:36,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:36,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:36,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:36,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:36,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:36,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 22:33:36,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:36,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:36,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:36,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:36,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:36,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:33:36,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:36,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-26 22:33:36,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:33:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-26 22:33:37,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597751917] [2020-10-26 22:33:37,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:37,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:37,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378595036] [2020-10-26 22:33:37,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:37,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:37,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:37,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:37,040 INFO L87 Difference]: Start difference. First operand 1793 states and 2083 transitions. Second operand 5 states. [2020-10-26 22:33:38,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:38,535 INFO L93 Difference]: Finished difference Result 3729 states and 4414 transitions. [2020-10-26 22:33:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:38,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-26 22:33:38,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:38,546 INFO L225 Difference]: With dead ends: 3729 [2020-10-26 22:33:38,546 INFO L226 Difference]: Without dead ends: 2085 [2020-10-26 22:33:38,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:38,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2020-10-26 22:33:38,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2081. [2020-10-26 22:33:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2020-10-26 22:33:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2402 transitions. [2020-10-26 22:33:38,605 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2402 transitions. Word has length 245 [2020-10-26 22:33:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:38,605 INFO L481 AbstractCegarLoop]: Abstraction has 2081 states and 2402 transitions. [2020-10-26 22:33:38,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2402 transitions. [2020-10-26 22:33:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-26 22:33:38,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:38,614 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:38,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:33:38,614 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:38,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:38,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1752418917, now seen corresponding path program 1 times [2020-10-26 22:33:38,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:38,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866370682] [2020-10-26 22:33:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:38,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:39,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:40,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:41,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:41,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-26 22:33:41,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:33:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3257 [2020-10-26 22:33:41,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:33:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:33:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:42,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:42,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:42,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:33:42,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:42,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-26 22:33:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:33:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:42,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:42,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:42,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:42,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:33:42,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:42,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-26 22:33:42,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:33:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:42,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-26 22:33:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:42,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:42,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:42,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 22:33:42,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 189 proven. 76 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-26 22:33:42,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866370682] [2020-10-26 22:33:42,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:42,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:42,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138686677] [2020-10-26 22:33:42,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:42,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:42,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:42,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:42,641 INFO L87 Difference]: Start difference. First operand 2081 states and 2402 transitions. Second operand 7 states. [2020-10-26 22:33:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:44,607 INFO L93 Difference]: Finished difference Result 4325 states and 5016 transitions. [2020-10-26 22:33:44,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:44,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-26 22:33:44,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:44,628 INFO L225 Difference]: With dead ends: 4325 [2020-10-26 22:33:44,628 INFO L226 Difference]: Without dead ends: 2393 [2020-10-26 22:33:44,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:44,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2020-10-26 22:33:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2375. [2020-10-26 22:33:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2375 states. [2020-10-26 22:33:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 2375 states and 2712 transitions. [2020-10-26 22:33:44,725 INFO L78 Accepts]: Start accepts. Automaton has 2375 states and 2712 transitions. Word has length 319 [2020-10-26 22:33:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:44,725 INFO L481 AbstractCegarLoop]: Abstraction has 2375 states and 2712 transitions. [2020-10-26 22:33:44,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2712 transitions. [2020-10-26 22:33:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-26 22:33:44,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:44,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:44,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:33:44,735 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:44,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1870300545, now seen corresponding path program 1 times [2020-10-26 22:33:44,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:44,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581476056] [2020-10-26 22:33:44,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:44,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:46,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:46,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-26 22:33:46,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:46,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1681 [2020-10-26 22:33:46,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-26 22:33:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:33:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:46,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:46,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:33:46,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:46,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:46,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:46,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:33:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:46,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:33:46,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:46,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:46,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:33:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:46,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:46,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:33:46,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-26 22:33:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 22:33:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:46,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-26 22:33:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-26 22:33:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 269 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-26 22:33:47,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581476056] [2020-10-26 22:33:47,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:47,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:47,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830283217] [2020-10-26 22:33:47,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:47,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:47,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:47,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:47,082 INFO L87 Difference]: Start difference. First operand 2375 states and 2712 transitions. Second operand 7 states. [2020-10-26 22:33:49,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:49,027 INFO L93 Difference]: Finished difference Result 4476 states and 5177 transitions. [2020-10-26 22:33:49,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:49,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 338 [2020-10-26 22:33:49,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:49,043 INFO L225 Difference]: With dead ends: 4476 [2020-10-26 22:33:49,044 INFO L226 Difference]: Without dead ends: 2250 [2020-10-26 22:33:49,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2020-10-26 22:33:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2232. [2020-10-26 22:33:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2232 states. [2020-10-26 22:33:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 2552 transitions. [2020-10-26 22:33:49,108 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 2552 transitions. Word has length 338 [2020-10-26 22:33:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:49,109 INFO L481 AbstractCegarLoop]: Abstraction has 2232 states and 2552 transitions. [2020-10-26 22:33:49,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2552 transitions. [2020-10-26 22:33:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-26 22:33:49,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:49,119 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:49,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:33:49,119 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:49,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:49,120 INFO L82 PathProgramCache]: Analyzing trace with hash -216825451, now seen corresponding path program 1 times [2020-10-26 22:33:49,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:49,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704952936] [2020-10-26 22:33:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:49,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:50,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:51,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:51,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-10-26 22:33:51,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2282 [2020-10-26 22:33:51,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-26 22:33:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:33:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:51,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:51,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:51,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:51,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:51,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:33:51,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:51,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:51,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:51,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:33:51,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:51,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 22:33:51,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:33:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:51,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:51,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:51,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-26 22:33:51,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:51,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-26 22:33:51,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-26 22:33:51,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:51,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-26 22:33:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:51,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:51,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:51,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:51,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-26 22:33:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-26 22:33:52,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704952936] [2020-10-26 22:33:52,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:52,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:52,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993016366] [2020-10-26 22:33:52,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:52,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:52,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:52,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:52,213 INFO L87 Difference]: Start difference. First operand 2232 states and 2552 transitions. Second operand 7 states. [2020-10-26 22:33:54,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:54,407 INFO L93 Difference]: Finished difference Result 5356 states and 6227 transitions. [2020-10-26 22:33:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:33:54,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 348 [2020-10-26 22:33:54,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:54,423 INFO L225 Difference]: With dead ends: 5356 [2020-10-26 22:33:54,424 INFO L226 Difference]: Without dead ends: 3273 [2020-10-26 22:33:54,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:33:54,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2020-10-26 22:33:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2971. [2020-10-26 22:33:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2971 states. [2020-10-26 22:33:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3404 transitions. [2020-10-26 22:33:54,507 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3404 transitions. Word has length 348 [2020-10-26 22:33:54,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:54,507 INFO L481 AbstractCegarLoop]: Abstraction has 2971 states and 3404 transitions. [2020-10-26 22:33:54,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3404 transitions. [2020-10-26 22:33:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-26 22:33:54,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:54,518 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:54,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:33:54,518 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:54,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:54,519 INFO L82 PathProgramCache]: Analyzing trace with hash -172328603, now seen corresponding path program 1 times [2020-10-26 22:33:54,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:54,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506132855] [2020-10-26 22:33:54,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:54,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:54,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:56,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:56,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1797 [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:33:56,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:56,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:56,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:56,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:33:56,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:56,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:56,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:56,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:56,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:56,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:56,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:33:56,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:56,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:56,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-26 22:33:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-26 22:33:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-26 22:33:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-26 22:33:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:56,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:56,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-26 22:33:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-26 22:33:56,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-26 22:33:56,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-26 22:33:57,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506132855] [2020-10-26 22:33:57,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:57,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:57,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245298550] [2020-10-26 22:33:57,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:57,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:57,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:57,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:57,058 INFO L87 Difference]: Start difference. First operand 2971 states and 3404 transitions. Second operand 7 states. [2020-10-26 22:33:58,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:58,967 INFO L93 Difference]: Finished difference Result 6135 states and 7167 transitions. [2020-10-26 22:33:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:58,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 349 [2020-10-26 22:33:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:58,994 INFO L225 Difference]: With dead ends: 6135 [2020-10-26 22:33:58,994 INFO L226 Difference]: Without dead ends: 2723 [2020-10-26 22:33:59,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:59,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2020-10-26 22:33:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2675. [2020-10-26 22:33:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2675 states. [2020-10-26 22:33:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3027 transitions. [2020-10-26 22:33:59,069 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3027 transitions. Word has length 349 [2020-10-26 22:33:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:59,070 INFO L481 AbstractCegarLoop]: Abstraction has 2675 states and 3027 transitions. [2020-10-26 22:33:59,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3027 transitions. [2020-10-26 22:33:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-26 22:33:59,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:59,078 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:59,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:33:59,078 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:59,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:59,079 INFO L82 PathProgramCache]: Analyzing trace with hash 128152693, now seen corresponding path program 1 times [2020-10-26 22:33:59,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:59,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614725996] [2020-10-26 22:33:59,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:59,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:59,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:00,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:00,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-10-26 22:34:00,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:34:00,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1797 [2020-10-26 22:34:00,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:00,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:34:00,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-26 22:34:00,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:34:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:01,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:34:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:01,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:01,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:01,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:34:01,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:34:01,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:34:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:34:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:01,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:34:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:01,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:01,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:34:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:34:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:01,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-26 22:34:01,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-26 22:34:01,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:34:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-26 22:34:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-26 22:34:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:01,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:34:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-26 22:34:01,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614725996] [2020-10-26 22:34:01,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:34:01,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:34:01,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031697886] [2020-10-26 22:34:01,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:34:01,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:34:01,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:34:01,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:34:01,574 INFO L87 Difference]: Start difference. First operand 2675 states and 3027 transitions. Second operand 7 states. [2020-10-26 22:34:03,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:34:03,443 INFO L93 Difference]: Finished difference Result 6077 states and 6959 transitions. [2020-10-26 22:34:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:34:03,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-10-26 22:34:03,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:34:03,461 INFO L225 Difference]: With dead ends: 6077 [2020-10-26 22:34:03,461 INFO L226 Difference]: Without dead ends: 3551 [2020-10-26 22:34:03,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:34:03,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2020-10-26 22:34:03,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 3255. [2020-10-26 22:34:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3255 states. [2020-10-26 22:34:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 3723 transitions. [2020-10-26 22:34:03,550 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 3723 transitions. Word has length 357 [2020-10-26 22:34:03,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:34:03,550 INFO L481 AbstractCegarLoop]: Abstraction has 3255 states and 3723 transitions. [2020-10-26 22:34:03,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:34:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 3723 transitions. [2020-10-26 22:34:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-10-26 22:34:03,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:34:03,559 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:34:03,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:34:03,559 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:34:03,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:34:03,560 INFO L82 PathProgramCache]: Analyzing trace with hash 435992315, now seen corresponding path program 1 times [2020-10-26 22:34:03,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:34:03,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506977078] [2020-10-26 22:34:03,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:34:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:03,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:03,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:04,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:07,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3446 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-26 22:34:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:34:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:07,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:07,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:07,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:34:07,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:34:07,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:34:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:34:07,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:34:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:07,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:34:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:07,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:34:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:07,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:07,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-26 22:34:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:34:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:07,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:07,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-26 22:34:07,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-26 22:34:07,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:34:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:34:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-26 22:34:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 383 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-26 22:34:08,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506977078] [2020-10-26 22:34:08,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:34:08,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:34:08,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768995443] [2020-10-26 22:34:08,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:34:08,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:34:08,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:34:08,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:34:08,377 INFO L87 Difference]: Start difference. First operand 3255 states and 3723 transitions. Second operand 8 states. [2020-10-26 22:34:10,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:34:10,164 INFO L93 Difference]: Finished difference Result 6512 states and 7461 transitions. [2020-10-26 22:34:10,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:34:10,165 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 367 [2020-10-26 22:34:10,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:34:10,179 INFO L225 Difference]: With dead ends: 6512 [2020-10-26 22:34:10,179 INFO L226 Difference]: Without dead ends: 3406 [2020-10-26 22:34:10,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:34:10,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2020-10-26 22:34:10,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3400. [2020-10-26 22:34:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3400 states. [2020-10-26 22:34:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 3777 transitions. [2020-10-26 22:34:10,262 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 3777 transitions. Word has length 367 [2020-10-26 22:34:10,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:34:10,263 INFO L481 AbstractCegarLoop]: Abstraction has 3400 states and 3777 transitions. [2020-10-26 22:34:10,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:34:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 3777 transitions. [2020-10-26 22:34:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-10-26 22:34:10,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:34:10,272 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:34:10,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-26 22:34:10,273 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:34:10,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:34:10,273 INFO L82 PathProgramCache]: Analyzing trace with hash -707855097, now seen corresponding path program 1 times [2020-10-26 22:34:10,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:34:10,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073255398] [2020-10-26 22:34:10,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:34:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:10,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:11,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-26 22:34:11,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-26 22:34:11,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:34:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:11,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:11,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:34:11,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:34:11,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:34:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:34:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:11,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:34:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:11,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:11,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:34:11,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 22:34:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:34:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:34:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:11,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:34:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:11,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:34:11,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:11,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-26 22:34:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:34:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:34:11,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:34:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:34:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 114 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-26 22:34:11,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073255398] [2020-10-26 22:34:11,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:34:11,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:34:11,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129658924] [2020-10-26 22:34:11,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:34:11,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:34:11,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:34:11,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:34:11,895 INFO L87 Difference]: Start difference. First operand 3400 states and 3777 transitions. Second operand 5 states. [2020-10-26 22:34:13,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:34:13,332 INFO L93 Difference]: Finished difference Result 6793 states and 7552 transitions. [2020-10-26 22:34:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:34:13,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 385 [2020-10-26 22:34:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:34:13,339 INFO L225 Difference]: With dead ends: 6793 [2020-10-26 22:34:13,339 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:34:13,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:34:13,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:34:13,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:34:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:34:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:34:13,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2020-10-26 22:34:13,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:34:13,352 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:34:13,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:34:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:34:13,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:34:13,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-26 22:34:13,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:34:13,674 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 152 [2020-10-26 22:34:14,310 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 152 [2020-10-26 22:34:14,709 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 48 [2020-10-26 22:34:15,181 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 47 [2020-10-26 22:34:16,288 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 182 DAG size of output: 60 [2020-10-26 22:34:16,709 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 47 [2020-10-26 22:34:16,714 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:34:16,714 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:34:16,714 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:34:16,714 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:34:16,714 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:34:16,715 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,716 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:34:16,717 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:34:16,718 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,719 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:34:16,720 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:34:16,721 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,722 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:34:16,723 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:34:16,724 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:34:16,725 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:34:16,725 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:34:16,725 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse3 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse1 (not (= 10 |old(~a19~0)|))) (.cse0 (not (= 0 |old(~a10~0)|))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse5 (not (= 8 |old(~a19~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse3 .cse1) (or .cse3 .cse0) (not (<= 2 |old(~a10~0)|)) (or .cse4 (not (= 7 |old(~a19~0)|))) (or .cse2 .cse4) (or .cse4 .cse1) (or .cse0 .cse5) (or (not (<= 331498 |old(~a1~0)|)) .cse4 (not (= 14 ~a4~0)) .cse5 (not (= ~a12~0 0))))) [2020-10-26 22:34:16,725 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:34:16,725 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-26 22:34:16,725 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:34:16,725 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,726 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:34:16,727 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:34:16,728 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse2 (not (= 10 |old(~a19~0)|))) (.cse6 (not (= 9 |old(~a19~0)|))) (.cse0 (and .cse7 (= ~a19~0 |old(~a19~0)|) .cse8)) (.cse3 (not (= 0 |old(~a10~0)|))) (.cse5 (not (= |old(~a10~0)| 1))) (.cse4 (not (= 8 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse0 .cse1 .cse3) (or .cse0 .cse3 .cse4) (or .cse5 .cse0 (not (= 7 |old(~a19~0)|))) (or .cse0 .cse3 .cse2) (or .cse5 .cse0 .cse2) (or .cse0 .cse6 .cse5) (or .cse6 .cse0 .cse3) (or (not (<= 331498 |old(~a1~0)|)) .cse5 (not (= 14 ~a4~0)) .cse4 (not (= ~a12~0 0)) (and (= ~a19~0 8) .cse7 .cse8))))) [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:34:16,729 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,730 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:34:16,731 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:34:16,732 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,733 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,734 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,734 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,734 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:34:16,734 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:34:16,734 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-26 22:34:16,734 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:34:16,734 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:34:16,734 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-26 22:34:16,734 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:34:16,735 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 1)) (.cse3 (= ~a19~0 9)) (.cse1 (= ~a19~0 10)) (.cse5 (<= (+ ~a1~0 75821) 0)) (.cse4 (= ~a19~0 8)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (not (= 0 |old(~a10~0)|)) (and .cse4 (<= 331498 ~a1~0) .cse0 (= 14 ~a4~0) (= ~a12~0 0)) (not (= 23 |old(~a1~0)|)) (<= 2 ~a10~0) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse5) (and .cse0 (= 7 ~a19~0)) (and .cse0 .cse3) (and .cse2 .cse1) (and .cse1 .cse5) (and .cse4 .cse2))) [2020-10-26 22:34:16,735 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:34:16,735 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:34:16,735 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 1)) (.cse3 (= ~a19~0 9)) (.cse1 (= ~a19~0 10)) (.cse5 (<= (+ ~a1~0 75821) 0)) (.cse4 (= ~a19~0 8)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (not (= 0 |old(~a10~0)|)) (and .cse4 (<= 331498 ~a1~0) .cse0 (= 14 ~a4~0) (= ~a12~0 0)) (not (= 23 |old(~a1~0)|)) (<= 2 ~a10~0) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse5) (and .cse0 (= 7 ~a19~0)) (and .cse0 .cse3) (and .cse2 .cse1) (and .cse1 .cse5) (and .cse4 .cse2))) [2020-10-26 22:34:16,735 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:34:16,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:34:16 BoogieIcfgContainer [2020-10-26 22:34:16,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:34:16,758 INFO L168 Benchmark]: Toolchain (without parser) took 64690.44 ms. Allocated memory was 161.5 MB in the beginning and 1.0 GB in the end (delta: 868.2 MB). Free memory was 136.7 MB in the beginning and 720.7 MB in the end (delta: -584.0 MB). Peak memory consumption was 617.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:34:16,758 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:34:16,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.84 ms. Allocated memory is still 161.5 MB. Free memory was 136.1 MB in the beginning and 139.2 MB in the end (delta: -3.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. [2020-10-26 22:34:16,759 INFO L168 Benchmark]: Boogie Preprocessor took 132.79 ms. Allocated memory is still 161.5 MB. Free memory was 139.2 MB in the beginning and 134.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:34:16,760 INFO L168 Benchmark]: RCFGBuilder took 1289.83 ms. Allocated memory is still 161.5 MB. Free memory was 134.6 MB in the beginning and 126.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:34:16,760 INFO L168 Benchmark]: TraceAbstraction took 62532.08 ms. Allocated memory was 161.5 MB in the beginning and 1.0 GB in the end (delta: 868.2 MB). Free memory was 125.8 MB in the beginning and 720.7 MB in the end (delta: -594.9 MB). Peak memory consumption was 605.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:34:16,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 719.84 ms. Allocated memory is still 161.5 MB. Free memory was 136.1 MB in the beginning and 139.2 MB in the end (delta: -3.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.79 ms. Allocated memory is still 161.5 MB. Free memory was 139.2 MB in the beginning and 134.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1289.83 ms. Allocated memory is still 161.5 MB. Free memory was 134.6 MB in the beginning and 126.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 62532.08 ms. Allocated memory was 161.5 MB in the beginning and 1.0 GB in the end (delta: 868.2 MB). Free memory was 125.8 MB in the beginning and 720.7 MB in the end (delta: -594.9 MB). Peak memory consumption was 605.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((((((a10 == 1 && a19 == 10) || (a10 == 0 && a19 == 9)) || !(0 == \old(a10))) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || !(23 == \old(a1))) || 2 <= a10) || !(9 == \old(a19))) || (a10 == 0 && a1 + 75821 <= 0)) || (a10 == 1 && 7 == a19)) || (a10 == 1 && a19 == 9)) || (a10 == 0 && a19 == 10)) || (a19 == 10 && a1 + 75821 <= 0)) || (a19 == 8 && a10 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.0s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 5279 SDslu, 508 SDs, 0 SdLazy, 13636 SolverSat, 1533 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3400occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 1064 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 389 PreInvPairs, 447 NumberOfFragments, 585 HoareAnnotationTreeSize, 389 FomulaSimplifications, 15887 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5183 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 3734 NumberOfCodeBlocks, 3734 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3719 ConstructedInterpolants, 0 QuantifiedInterpolants, 2813452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 3079/3285 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...