/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem03_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:57:20,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:57:20,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:57:20,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:57:20,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:57:20,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:57:20,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:57:20,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:57:20,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:57:20,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:57:20,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:57:20,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:57:20,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:57:20,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:57:20,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:57:20,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:57:20,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:57:20,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:57:20,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:57:20,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:57:20,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:57:20,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:57:20,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:57:20,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:57:20,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:57:20,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:57:20,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:57:20,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:57:20,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:57:20,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:57:20,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:57:20,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:57:20,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:57:20,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:57:20,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:57:20,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:57:20,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:57:20,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:57:20,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:57:20,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:57:20,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:57:20,481 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 [2020-10-29 04:57:20,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:57:20,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:57:20,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:57:20,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:57:20,512 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:57:20,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:57:20,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:57:20,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:57:20,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:57:20,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:57:20,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:57:20,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:57:20,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:57:20,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:57:20,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:57:20,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:57:20,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:57:20,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:57:20,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:57:20,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:57:20,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:57:20,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:57:20,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:57:20,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:57:20,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:57:20,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:57:20,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:57:20,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:57:20,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:57:20,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:57:20,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:57:20,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:57:20,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:57:21,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:57:21,001 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:57:21,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label33.c [2020-10-29 04:57:21,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99b44eaae/6db04671fd5a447b8fa1f3ab61a498fe/FLAG4b1292fa4 [2020-10-29 04:57:21,936 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:57:21,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label33.c [2020-10-29 04:57:21,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99b44eaae/6db04671fd5a447b8fa1f3ab61a498fe/FLAG4b1292fa4 [2020-10-29 04:57:22,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99b44eaae/6db04671fd5a447b8fa1f3ab61a498fe [2020-10-29 04:57:22,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:57:22,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:57:22,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:57:22,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:57:22,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:57:22,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:57:22" (1/1) ... [2020-10-29 04:57:22,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df18323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:22, skipping insertion in model container [2020-10-29 04:57:22,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:57:22" (1/1) ... [2020-10-29 04:57:22,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:57:22,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:57:22,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:57:23,011 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:57:23,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:57:23,319 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:57:23,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23 WrapperNode [2020-10-29 04:57:23,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:57:23,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:57:23,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:57:23,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:57:23,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (1/1) ... [2020-10-29 04:57:23,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:57:23,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:57:23,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:57:23,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:57:23,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (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 [2020-10-29 04:57:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:57:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:57:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:57:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:57:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:57:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:57:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:57:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:57:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:57:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:57:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:57:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:57:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:57:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:57:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:57:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:57:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:57:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:57:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:57:26,275 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:57:26,276 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:57:26,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:26 BoogieIcfgContainer [2020-10-29 04:57:26,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:57:26,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:57:26,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:57:26,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:57:26,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:57:22" (1/3) ... [2020-10-29 04:57:26,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6e7c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:57:26, skipping insertion in model container [2020-10-29 04:57:26,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:23" (2/3) ... [2020-10-29 04:57:26,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6e7c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:57:26, skipping insertion in model container [2020-10-29 04:57:26,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:26" (3/3) ... [2020-10-29 04:57:26,292 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2020-10-29 04:57:26,305 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:57:26,311 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:57:26,326 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:57:26,375 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:57:26,375 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:57:26,376 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:57:26,376 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:57:26,376 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:57:26,376 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:57:26,376 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:57:26,376 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:57:26,414 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-29 04:57:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-29 04:57:26,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:26,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:26,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:26,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1979258264, now seen corresponding path program 1 times [2020-10-29 04:57:26,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:26,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029533710] [2020-10-29 04:57:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:27,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:31,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:31,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-29 04:57:31,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:57:31,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4319 [2020-10-29 04:57:31,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:31,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:57:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:57:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-29 04:57:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:57:31,823 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:31,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:31,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 04:57:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:31,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:57:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:31,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029533710] [2020-10-29 04:57:31,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:57:31,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:57:31,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988749768] [2020-10-29 04:57:32,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:57:32,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:32,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:57:32,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:57:32,023 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-29 04:57:32,334 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:57:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:35,914 INFO L93 Difference]: Finished difference Result 889 states and 1542 transitions. [2020-10-29 04:57:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:35,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-29 04:57:35,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:35,942 INFO L225 Difference]: With dead ends: 889 [2020-10-29 04:57:35,942 INFO L226 Difference]: Without dead ends: 481 [2020-10-29 04:57:35,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-29 04:57:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 476. [2020-10-29 04:57:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-29 04:57:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 729 transitions. [2020-10-29 04:57:36,049 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 729 transitions. Word has length 166 [2020-10-29 04:57:36,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:36,050 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 729 transitions. [2020-10-29 04:57:36,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:57:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 729 transitions. [2020-10-29 04:57:36,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-29 04:57:36,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:36,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:36,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:57:36,058 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:36,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:36,059 INFO L82 PathProgramCache]: Analyzing trace with hash 989556697, now seen corresponding path program 1 times [2020-10-29 04:57:36,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:36,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979615896] [2020-10-29 04:57:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:36,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:36,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:38,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:38,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 04:57:38,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:57:38,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2848 [2020-10-29 04:57:38,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:38,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:57:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-29 04:57:38,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:57:39,369 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:39,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:39,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:39,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:57:39,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:39,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:39,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:39,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:39,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:39,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:39,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:39,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:39,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:57:39,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:39,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:57:39,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:39,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:57:39,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:39,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979615896] [2020-10-29 04:57:39,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:39,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:57:39,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768070226] [2020-10-29 04:57:39,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:57:39,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:39,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:57:39,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:39,619 INFO L87 Difference]: Start difference. First operand 476 states and 729 transitions. Second operand 6 states. [2020-10-29 04:57:40,070 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:57:40,364 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-29 04:57:44,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:44,997 INFO L93 Difference]: Finished difference Result 1791 states and 2805 transitions. [2020-10-29 04:57:44,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:57:44,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2020-10-29 04:57:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:45,020 INFO L225 Difference]: With dead ends: 1791 [2020-10-29 04:57:45,020 INFO L226 Difference]: Without dead ends: 1321 [2020-10-29 04:57:45,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:57:45,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2020-10-29 04:57:45,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1314. [2020-10-29 04:57:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-29 04:57:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1858 transitions. [2020-10-29 04:57:45,139 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1858 transitions. Word has length 175 [2020-10-29 04:57:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:45,141 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1858 transitions. [2020-10-29 04:57:45,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:57:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1858 transitions. [2020-10-29 04:57:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-29 04:57:45,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:45,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:45,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:57:45,162 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:45,163 INFO L82 PathProgramCache]: Analyzing trace with hash -755593456, now seen corresponding path program 1 times [2020-10-29 04:57:45,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:45,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080034316] [2020-10-29 04:57:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:45,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:45,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:46,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:48,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:48,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:48,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-29 04:57:48,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:57:48,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3493 [2020-10-29 04:57:48,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:48,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-29 04:57:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-29 04:57:48,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:57:49,187 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:49,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:49,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:49,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:49,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:49,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:49,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:57:49,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:49,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:49,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:49,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:49,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:49,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:49,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:49,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:57:49,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:49,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 04:57:49,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:49,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 04:57:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:49,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080034316] [2020-10-29 04:57:49,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:49,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:57:49,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824710010] [2020-10-29 04:57:49,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:57:49,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:49,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:57:49,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:49,515 INFO L87 Difference]: Start difference. First operand 1314 states and 1858 transitions. Second operand 5 states. [2020-10-29 04:57:49,779 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:57:53,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:53,101 INFO L93 Difference]: Finished difference Result 3896 states and 5622 transitions. [2020-10-29 04:57:53,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:53,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2020-10-29 04:57:53,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:53,120 INFO L225 Difference]: With dead ends: 3896 [2020-10-29 04:57:53,121 INFO L226 Difference]: Without dead ends: 2588 [2020-10-29 04:57:53,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2020-10-29 04:57:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2581. [2020-10-29 04:57:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2581 states. [2020-10-29 04:57:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3530 transitions. [2020-10-29 04:57:53,258 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3530 transitions. Word has length 202 [2020-10-29 04:57:53,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:53,259 INFO L481 AbstractCegarLoop]: Abstraction has 2581 states and 3530 transitions. [2020-10-29 04:57:53,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:57:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3530 transitions. [2020-10-29 04:57:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-29 04:57:53,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:53,271 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:53,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:57:53,279 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:53,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:53,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1983612138, now seen corresponding path program 1 times [2020-10-29 04:57:53,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:53,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567348466] [2020-10-29 04:57:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:53,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:55,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:55,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-29 04:57:55,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:57:55,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2028 [2020-10-29 04:57:55,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:55,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:55,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:55,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-29 04:57:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-29 04:57:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:55,687 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:55,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:55,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:55,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:55,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:55,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:57:55,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:55,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:55,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:55,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:55,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:55,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:57:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:55,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:55,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:55,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 04:57:55,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 04:57:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:55,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 04:57:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:56,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567348466] [2020-10-29 04:57:56,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:56,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:57:56,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556352415] [2020-10-29 04:57:56,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:57:56,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:56,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:57:56,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:56,088 INFO L87 Difference]: Start difference. First operand 2581 states and 3530 transitions. Second operand 5 states. [2020-10-29 04:57:56,469 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-29 04:57:59,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:59,794 INFO L93 Difference]: Finished difference Result 7689 states and 10784 transitions. [2020-10-29 04:57:59,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:59,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2020-10-29 04:57:59,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:59,829 INFO L225 Difference]: With dead ends: 7689 [2020-10-29 04:57:59,829 INFO L226 Difference]: Without dead ends: 5114 [2020-10-29 04:57:59,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2020-10-29 04:57:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5095. [2020-10-29 04:57:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states. [2020-10-29 04:58:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6867 transitions. [2020-10-29 04:58:00,028 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6867 transitions. Word has length 211 [2020-10-29 04:58:00,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:00,029 INFO L481 AbstractCegarLoop]: Abstraction has 5095 states and 6867 transitions. [2020-10-29 04:58:00,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:58:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6867 transitions. [2020-10-29 04:58:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-29 04:58:00,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:00,045 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:58:00,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:58:00,046 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:00,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:00,047 INFO L82 PathProgramCache]: Analyzing trace with hash -2011500683, now seen corresponding path program 1 times [2020-10-29 04:58:00,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:00,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746940773] [2020-10-29 04:58:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:00,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:00,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:00,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:00,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:01,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:05,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:05,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-29 04:58:05,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 04:58:05,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-29 04:58:05,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:05,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:05,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:58:05,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 04:58:05,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 04:58:05,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:05,436 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:05,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:05,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:05,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:58:05,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:05,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:05,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:05,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:05,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:58:05,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 04:58:05,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:05,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 04:58:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:58:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 04:58:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:05,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:05,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:05,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 04:58:05,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:58:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 04:58:05,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:05,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:58:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:58:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:05,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:58:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:05,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:05,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 04:58:05,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 04:58:05,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:05,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:58:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 04:58:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-29 04:58:06,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746940773] [2020-10-29 04:58:06,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:06,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:58:06,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682047826] [2020-10-29 04:58:06,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:58:06,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:06,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:58:06,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:58:06,087 INFO L87 Difference]: Start difference. First operand 5095 states and 6867 transitions. Second operand 7 states. [2020-10-29 04:58:06,536 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:08,467 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-29 04:58:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:10,855 INFO L93 Difference]: Finished difference Result 10426 states and 15241 transitions. [2020-10-29 04:58:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 04:58:10,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-29 04:58:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:10,903 INFO L225 Difference]: With dead ends: 10426 [2020-10-29 04:58:10,903 INFO L226 Difference]: Without dead ends: 5337 [2020-10-29 04:58:10,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 04:58:10,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2020-10-29 04:58:11,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 5152. [2020-10-29 04:58:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5152 states. [2020-10-29 04:58:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 6707 transitions. [2020-10-29 04:58:11,155 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 6707 transitions. Word has length 225 [2020-10-29 04:58:11,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:11,155 INFO L481 AbstractCegarLoop]: Abstraction has 5152 states and 6707 transitions. [2020-10-29 04:58:11,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:58:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 6707 transitions. [2020-10-29 04:58:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-29 04:58:11,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:11,174 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:58:11,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:58:11,175 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:11,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1552178099, now seen corresponding path program 1 times [2020-10-29 04:58:11,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:11,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121477585] [2020-10-29 04:58:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:11,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:11,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:11,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:11,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:11,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:13,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-29 04:58:16,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 04:58:16,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-29 04:58:16,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:16,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 04:58:16,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:58:16,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,551 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:16,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:16,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:58:16,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 04:58:16,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 04:58:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:58:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:58:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:58:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 04:58:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 04:58:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:58:16,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:58:16,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:16,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 04:58:16,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:16,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 04:58:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 04:58:16,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:58:16,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:16,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 04:58:16,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:16,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 04:58:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:16,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 04:58:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-29 04:58:17,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121477585] [2020-10-29 04:58:17,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:17,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:58:17,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206762958] [2020-10-29 04:58:17,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:58:17,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:58:17,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:58:17,055 INFO L87 Difference]: Start difference. First operand 5152 states and 6707 transitions. Second operand 7 states. [2020-10-29 04:58:17,531 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:18,368 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-29 04:58:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:24,135 INFO L93 Difference]: Finished difference Result 16155 states and 23090 transitions. [2020-10-29 04:58:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 04:58:24,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 267 [2020-10-29 04:58:24,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:24,204 INFO L225 Difference]: With dead ends: 16155 [2020-10-29 04:58:24,205 INFO L226 Difference]: Without dead ends: 11009 [2020-10-29 04:58:24,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:58:24,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11009 states. [2020-10-29 04:58:24,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11009 to 10759. [2020-10-29 04:58:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10759 states. [2020-10-29 04:58:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 13755 transitions. [2020-10-29 04:58:24,622 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 13755 transitions. Word has length 267 [2020-10-29 04:58:24,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:24,622 INFO L481 AbstractCegarLoop]: Abstraction has 10759 states and 13755 transitions. [2020-10-29 04:58:24,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:58:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 13755 transitions. [2020-10-29 04:58:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-29 04:58:24,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:24,662 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:58:24,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:58:24,662 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1612208572, now seen corresponding path program 1 times [2020-10-29 04:58:24,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:24,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718629784] [2020-10-29 04:58:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:24,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:25,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:29,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:29,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:29,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-29 04:58:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:58:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-29 04:58:29,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:29,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-29 04:58:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-29 04:58:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:30,130 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:30,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:30,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:30,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:30,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:30,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:30,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 04:58:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:30,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:30,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 04:58:30,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 04:58:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 04:58:30,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718629784] [2020-10-29 04:58:30,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:30,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:58:30,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988116715] [2020-10-29 04:58:30,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:58:30,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:30,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:58:30,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:58:30,563 INFO L87 Difference]: Start difference. First operand 10759 states and 13755 transitions. Second operand 5 states. [2020-10-29 04:58:30,828 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-29 04:58:34,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:34,066 INFO L93 Difference]: Finished difference Result 28430 states and 36655 transitions. [2020-10-29 04:58:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:58:34,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269 [2020-10-29 04:58:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:34,140 INFO L225 Difference]: With dead ends: 28430 [2020-10-29 04:58:34,141 INFO L226 Difference]: Without dead ends: 18338 [2020-10-29 04:58:34,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:58:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18338 states. [2020-10-29 04:58:34,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18338 to 18316. [2020-10-29 04:58:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18316 states. [2020-10-29 04:58:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18316 states to 18316 states and 23023 transitions. [2020-10-29 04:58:34,765 INFO L78 Accepts]: Start accepts. Automaton has 18316 states and 23023 transitions. Word has length 269 [2020-10-29 04:58:34,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:34,766 INFO L481 AbstractCegarLoop]: Abstraction has 18316 states and 23023 transitions. [2020-10-29 04:58:34,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:58:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 18316 states and 23023 transitions. [2020-10-29 04:58:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-29 04:58:34,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:34,828 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:58:34,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:58:34,828 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:34,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:34,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1483123043, now seen corresponding path program 1 times [2020-10-29 04:58:34,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:34,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905795607] [2020-10-29 04:58:34,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:34,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:37,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:39,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:39,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-29 04:58:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:40,247 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:40,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:40,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:40,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:40,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:40,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:40,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 04:58:40,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:58:40,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:40,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 04:58:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:40,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 04:58:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-29 04:58:40,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905795607] [2020-10-29 04:58:40,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:40,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:58:40,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990711807] [2020-10-29 04:58:40,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:58:40,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:40,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:58:40,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:58:40,757 INFO L87 Difference]: Start difference. First operand 18316 states and 23023 transitions. Second operand 5 states. [2020-10-29 04:58:41,041 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:44,188 INFO L93 Difference]: Finished difference Result 41890 states and 53262 transitions. [2020-10-29 04:58:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:58:44,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 308 [2020-10-29 04:58:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:44,190 INFO L225 Difference]: With dead ends: 41890 [2020-10-29 04:58:44,191 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:58:44,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:58:44,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:58:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:58:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:58:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:58:44,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 308 [2020-10-29 04:58:44,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:44,257 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:58:44,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:58:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:58:44,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:58:44,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:58:44,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:58:45,266 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-29 04:58:47,781 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 481 DAG size of output: 50 [2020-10-29 04:58:48,769 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 50 [2020-10-29 04:58:49,227 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 98 [2020-10-29 04:58:52,424 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 390 DAG size of output: 115 [2020-10-29 04:58:52,569 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-29 04:58:52,763 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:52,907 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-29 04:58:53,626 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2020-10-29 04:58:53,631 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:58:53,631 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:58:53,631 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:58:53,631 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:58:53,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:58:53,632 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,633 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,634 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,635 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,636 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,637 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,638 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,639 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,640 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,641 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-29 04:58:53,642 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-29 04:58:53,643 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-29 04:58:53,643 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-29 04:58:53,643 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,643 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,643 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a26~0 |old(~a26~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a6~0 |old(~a6~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse7 (= ~a29~0 |old(~a29~0)|)) (.cse8 (= ~a1~0 |old(~a1~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse11 (= ~a3~0 |old(~a3~0)|)) (.cse12 (= ~a9~0 |old(~a9~0)|)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse17 (= ~a2~0 |old(~a2~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (= ~a14~0 |old(~a14~0)|)) (.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= ~a23~0 |old(~a23~0)|)) (.cse22 (= ~a12~0 |old(~a12~0)|)) (.cse23 (= ~a15~0 |old(~a15~0)|)) (.cse24 (= ~a13~0 |old(~a13~0)|)) (.cse25 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a20~0 |old(~a20~0)|)) (.cse27 (= ~a22~0 |old(~a22~0)|)) (.cse28 (= ~a10~0 |old(~a10~0)|)) (.cse29 (= ~a27~0 |old(~a27~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (= ~a5~0 |old(~a5~0)|) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29)) (.cse1 (not (= |old(~a11~0)| 1)))) (and (or (= |old(~a12~0)| 1) .cse0 .cse1) (or .cse0 .cse1 (not (= |old(~a6~0)| 0))) (or .cse0 (= |old(~a3~0)| 1) .cse1) (or .cse0 (not (= 0 |old(~a11~0)|))) (or (not (= |old(~a5~0)| |old(~a12~0)|)) (not (= |old(~a5~0)| |old(~a26~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (= ~a26~0 ~a5~0) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (not (= |old(~a26~0)| |old(~a27~0)|)) .cse1) (or .cse0 (not (<= |old(~a26~0)| 0)) .cse1)))) [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-29 04:58:53,644 INFO L270 CegarLoopResult]: At program point L1514(line 1514) the Hoare annotation is: (let ((.cse0 (not (= |old(~a11~0)| 1)))) (and (or (not (= |old(~a5~0)| |old(~a12~0)|)) (not (= |old(~a5~0)| |old(~a26~0)|)) (not (= |old(~a26~0)| |old(~a27~0)|)) .cse0) (or (= |old(~a3~0)| 1) .cse0) (or (not (<= |old(~a26~0)| 0)) .cse0) (not (= 0 |old(~a11~0)|)) (or (= |old(~a12~0)| 1) .cse0) (or .cse0 (not (= |old(~a6~0)| 0))))) [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L1514-1(line 1514) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,645 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-29 04:58:53,646 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,647 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,648 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,649 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,650 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-29 04:58:53,651 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,652 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,653 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,654 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-29 04:58:53,655 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-29 04:58:53,656 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,657 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,658 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:58:53,659 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a26~0 0) (not (= ~a12~0 1)) (= ~a11~0 0)) [2020-10-29 04:58:53,659 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:58:53,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:58:53,660 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-29 04:58:53,660 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (= |old(~a12~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (<= |old(~a26~0)| 0)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a6~0)| 0))) [2020-10-29 04:58:53,660 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (= |old(~a12~0)| 1) (and (not (= ~a12~0 1)) .cse0) (not (<= |old(~a26~0)| 0)) (and (<= ~a26~0 0) .cse0) (not (= 0 |old(~a11~0)|)) (and (= ~a6~0 0) .cse0) (= ~a11~0 0) (and (= ~a27~0 ~a26~0) (= ~a26~0 ~a5~0) .cse0 (= ~a12~0 ~a5~0)) (and .cse0 (not (= ~a3~0 1))) (not (= |old(~a6~0)| 0)))) [2020-10-29 04:58:53,660 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-29 04:58:53,660 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-29 04:58:53,661 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (= |old(~a12~0)| 1) (and (not (= ~a12~0 1)) .cse0) (not (<= |old(~a26~0)| 0)) (and (<= ~a26~0 0) .cse0) (not (= 0 |old(~a11~0)|)) (and (= ~a6~0 0) .cse0) (= ~a11~0 0) (and (= ~a27~0 ~a26~0) (= ~a26~0 ~a5~0) .cse0 (= ~a12~0 ~a5~0)) (and .cse0 (not (= ~a3~0 1))) (not (= |old(~a6~0)| 0)))) [2020-10-29 04:58:53,661 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-29 04:58:53,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:58:53 BoogieIcfgContainer [2020-10-29 04:58:53,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:58:53,682 INFO L168 Benchmark]: Toolchain (without parser) took 91602.11 ms. Allocated memory was 151.0 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 120.5 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 944.4 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:53,682 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:58:53,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1234.95 ms. Allocated memory is still 151.0 MB. Free memory was 119.9 MB in the beginning and 88.8 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:53,683 INFO L168 Benchmark]: Boogie Preprocessor took 251.90 ms. Allocated memory is still 151.0 MB. Free memory was 88.8 MB in the beginning and 77.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:53,684 INFO L168 Benchmark]: RCFGBuilder took 2703.81 ms. Allocated memory was 151.0 MB in the beginning and 201.3 MB in the end (delta: 50.3 MB). Free memory was 77.8 MB in the beginning and 115.5 MB in the end (delta: -37.7 MB). Peak memory consumption was 56.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:53,685 INFO L168 Benchmark]: TraceAbstraction took 87395.81 ms. Allocated memory was 201.3 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 114.9 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 887.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:53,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1234.95 ms. Allocated memory is still 151.0 MB. Free memory was 119.9 MB in the beginning and 88.8 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 251.90 ms. Allocated memory is still 151.0 MB. Free memory was 88.8 MB in the beginning and 77.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2703.81 ms. Allocated memory was 151.0 MB in the beginning and 201.3 MB in the end (delta: 50.3 MB). Free memory was 77.8 MB in the beginning and 115.5 MB in the end (delta: -37.7 MB). Peak memory consumption was 56.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 87395.81 ms. Allocated memory was 201.3 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 114.9 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 887.0 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: 1660]: Loop Invariant Derived loop invariant: ((((((((\old(a12) == 1 || (!(a12 == 1) && a11 == 1)) || !(\old(a26) <= 0)) || (a26 <= 0 && a11 == 1)) || !(0 == \old(a11))) || (a6 == 0 && a11 == 1)) || a11 == 0) || (((a27 == a26 && a26 == a5) && a11 == 1) && a12 == a5)) || (a11 == 1 && !(a3 == 1))) || !(\old(a6) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.8s, OverallIterations: 8, TraceHistogramMax: 7, AutomataDifference: 35.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 395 SDtfs, 4204 SDslu, 532 SDs, 0 SdLazy, 12758 SolverSat, 1804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18316occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 495 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 646 PreInvPairs, 872 NumberOfFragments, 1042 HoareAnnotationTreeSize, 646 FomulaSimplifications, 693318 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 22408 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 38.2s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1815 ConstructedInterpolants, 0 QuantifiedInterpolants, 1729128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 672/733 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...