/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/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:49:49,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:49:49,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:49:49,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:49:49,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:49:49,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:49:49,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:49:49,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:49:49,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:49:49,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:49:49,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:49:49,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:49:49,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:49:49,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:49:49,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:49:49,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:49:49,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:49:49,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:49:49,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:49:49,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:49:49,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:49:49,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:49:49,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:49:49,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:49:49,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:49:49,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:49:49,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:49:49,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:49:49,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:49:49,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:49:49,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:49:49,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:49:49,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:49:49,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:49:49,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:49:49,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:49:49,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:49:49,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:49:49,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:49:49,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:49:49,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:49:49,577 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 04:49:49,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:49:49,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:49:49,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:49:49,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:49:49,635 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:49:49,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:49:49,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:49:49,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:49:49,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:49:49,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:49:49,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:49:49,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:49:49,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:49:49,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:49:49,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:49:49,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:49:49,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:49:49,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:49:49,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:49:49,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:49:49,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:49:49,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:49:49,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:49:49,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:49:49,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:49:49,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:49:49,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:49:49,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:49:49,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:49:49,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:49:50,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:49:50,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:49:50,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:49:50,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:49:50,099 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:49:50,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-10-29 04:49:50,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc5871154/bb818f333e344233b7ec64af2eb9ebe9/FLAGe9eb295ea [2020-10-29 04:49:50,963 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:49:50,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-10-29 04:49:50,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc5871154/bb818f333e344233b7ec64af2eb9ebe9/FLAGe9eb295ea [2020-10-29 04:49:51,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc5871154/bb818f333e344233b7ec64af2eb9ebe9 [2020-10-29 04:49:51,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:49:51,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:49:51,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:49:51,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:49:51,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:49:51,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:51,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6e5ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51, skipping insertion in model container [2020-10-29 04:49:51,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:51,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:49:51,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:49:51,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:49:51,705 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:49:51,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:49:51,885 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:49:51,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51 WrapperNode [2020-10-29 04:49:51,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:49:51,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:49:51,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:49:51,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:49:51,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:51,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:51,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:51,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:52,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:52,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:52,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (1/1) ... [2020-10-29 04:49:52,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:49:52,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:49:52,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:49:52,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:49:52,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (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 04:49:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:49:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:49:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:49:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:49:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:49:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:49:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:49:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:49:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:49:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:49:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:49:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:49:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:49:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:49:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:49:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:49:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:49:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:49:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:49:53,447 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:49:53,448 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:49:53,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:53 BoogieIcfgContainer [2020-10-29 04:49:53,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:49:53,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:49:53,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:49:53,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:49:53,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:49:51" (1/3) ... [2020-10-29 04:49:53,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434492e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:49:53, skipping insertion in model container [2020-10-29 04:49:53,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:51" (2/3) ... [2020-10-29 04:49:53,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434492e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:49:53, skipping insertion in model container [2020-10-29 04:49:53,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:53" (3/3) ... [2020-10-29 04:49:53,459 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-10-29 04:49:53,479 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:49:53,490 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:49:53,505 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:49:53,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:49:53,535 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:49:53,536 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:49:53,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:49:53,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:49:53,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:49:53,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:49:53,536 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:49:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:49:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-29 04:49:53,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:53,575 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] [2020-10-29 04:49:53,576 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash -219675883, now seen corresponding path program 1 times [2020-10-29 04:49:53,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:53,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667695639] [2020-10-29 04:49:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:53,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:54,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:55,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:55,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 04:49:55,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:49:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1843 [2020-10-29 04:49:55,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:55,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:49:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:49:55,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 04:49:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:49:55,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:56,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 04:49:56,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:56,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:49:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:56,072 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 04:49:56,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667695639] [2020-10-29 04:49:56,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:49:56,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:49:56,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989408523] [2020-10-29 04:49:56,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:49:56,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:56,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:49:56,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:49:56,103 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:49:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:58,235 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-29 04:49:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:49:58,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2020-10-29 04:49:58,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:58,258 INFO L225 Difference]: With dead ends: 632 [2020-10-29 04:49:58,258 INFO L226 Difference]: Without dead ends: 328 [2020-10-29 04:49:58,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:58,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-29 04:49:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-29 04:49:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-29 04:49:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 466 transitions. [2020-10-29 04:49:58,385 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 466 transitions. Word has length 105 [2020-10-29 04:49:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:58,391 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 466 transitions. [2020-10-29 04:49:58,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:49:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 466 transitions. [2020-10-29 04:49:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-29 04:49:58,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:58,407 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 04:49:58,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:49:58,408 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:58,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:58,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1639219292, now seen corresponding path program 1 times [2020-10-29 04:49:58,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:58,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537482258] [2020-10-29 04:49:58,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:58,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:59,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:59,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 04:49:59,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:49:59,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1436 [2020-10-29 04:49:59,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:59,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:49:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 04:49:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:00,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:00,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:00,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:00,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:50:00,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:00,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:00,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:00,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:00,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:00,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:50:00,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 04:50:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:50:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:00,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537482258] [2020-10-29 04:50:00,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:00,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:00,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628205017] [2020-10-29 04:50:00,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:00,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:00,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:00,227 INFO L87 Difference]: Start difference. First operand 320 states and 466 transitions. Second operand 5 states. [2020-10-29 04:50:02,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:02,226 INFO L93 Difference]: Finished difference Result 942 states and 1402 transitions. [2020-10-29 04:50:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:02,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-29 04:50:02,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:02,244 INFO L225 Difference]: With dead ends: 942 [2020-10-29 04:50:02,244 INFO L226 Difference]: Without dead ends: 628 [2020-10-29 04:50:02,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-10-29 04:50:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 616. [2020-10-29 04:50:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-10-29 04:50:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 803 transitions. [2020-10-29 04:50:02,355 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 803 transitions. Word has length 127 [2020-10-29 04:50:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:02,356 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 803 transitions. [2020-10-29 04:50:02,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 803 transitions. [2020-10-29 04:50:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-29 04:50:02,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:02,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:02,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:50:02,374 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:02,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1727489772, now seen corresponding path program 1 times [2020-10-29 04:50:02,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:02,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603997775] [2020-10-29 04:50:02,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:02,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:03,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:03,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:03,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-29 04:50:03,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:50:03,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1286 [2020-10-29 04:50:03,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:03,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:50:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 04:50:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:04,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:04,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:04,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 04:50:04,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:04,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:04,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:04,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:04,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:04,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:50:04,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:04,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 04:50:04,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:04,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:50:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:04,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603997775] [2020-10-29 04:50:04,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:04,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:04,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742970023] [2020-10-29 04:50:04,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:04,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:04,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:04,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:04,444 INFO L87 Difference]: Start difference. First operand 616 states and 803 transitions. Second operand 5 states. [2020-10-29 04:50:04,919 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 04:50:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:06,320 INFO L93 Difference]: Finished difference Result 1322 states and 1793 transitions. [2020-10-29 04:50:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:06,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-29 04:50:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:06,333 INFO L225 Difference]: With dead ends: 1322 [2020-10-29 04:50:06,333 INFO L226 Difference]: Without dead ends: 626 [2020-10-29 04:50:06,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2020-10-29 04:50:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 616. [2020-10-29 04:50:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-10-29 04:50:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 791 transitions. [2020-10-29 04:50:06,389 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 791 transitions. Word has length 131 [2020-10-29 04:50:06,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:06,389 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 791 transitions. [2020-10-29 04:50:06,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 791 transitions. [2020-10-29 04:50:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 04:50:06,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:06,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:06,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:50:06,409 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:06,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:06,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2037575220, now seen corresponding path program 1 times [2020-10-29 04:50:06,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:06,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880191519] [2020-10-29 04:50:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:06,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:07,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:07,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:07,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:07,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 04:50:07,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:50:07,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1388 [2020-10-29 04:50:07,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:07,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:07,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 04:50:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 04:50:07,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:07,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:07,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:07,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:07,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:07,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:07,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:50:07,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:07,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:08,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:08,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:08,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:08,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 04:50:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:50:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:08,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:50:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:08,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880191519] [2020-10-29 04:50:08,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:08,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:08,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339823259] [2020-10-29 04:50:08,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:08,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:08,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:08,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:08,133 INFO L87 Difference]: Start difference. First operand 616 states and 791 transitions. Second operand 5 states. [2020-10-29 04:50:09,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:09,877 INFO L93 Difference]: Finished difference Result 1822 states and 2371 transitions. [2020-10-29 04:50:09,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:09,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-29 04:50:09,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:09,888 INFO L225 Difference]: With dead ends: 1822 [2020-10-29 04:50:09,889 INFO L226 Difference]: Without dead ends: 767 [2020-10-29 04:50:09,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-29 04:50:09,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 759. [2020-10-29 04:50:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-10-29 04:50:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 918 transitions. [2020-10-29 04:50:09,927 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 918 transitions. Word has length 135 [2020-10-29 04:50:09,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:09,927 INFO L481 AbstractCegarLoop]: Abstraction has 759 states and 918 transitions. [2020-10-29 04:50:09,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 918 transitions. [2020-10-29 04:50:09,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 04:50:09,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:09,931 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:09,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:50:09,932 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:09,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:09,932 INFO L82 PathProgramCache]: Analyzing trace with hash -329460349, now seen corresponding path program 1 times [2020-10-29 04:50:09,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:09,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59566955] [2020-10-29 04:50:09,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:09,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:10,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:11,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-29 04:50:12,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:50:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2234 [2020-10-29 04:50:12,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:12,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 04:50:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:50:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 04:50:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:12,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:12,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:12,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 04:50:12,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:12,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:50:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:12,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:12,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 04:50:12,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:50:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 04:50:12,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:12,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:50:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 04:50:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 04:50:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:12,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:12,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 04:50:12,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:50:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 04:50:12,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:12,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:50:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 04:50:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 04:50:12,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59566955] [2020-10-29 04:50:12,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:12,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:50:12,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402012397] [2020-10-29 04:50:12,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:50:12,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:12,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:50:12,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:50:12,727 INFO L87 Difference]: Start difference. First operand 759 states and 918 transitions. Second operand 8 states. [2020-10-29 04:50:14,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:14,534 INFO L93 Difference]: Finished difference Result 1964 states and 2455 transitions. [2020-10-29 04:50:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 04:50:14,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-10-29 04:50:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:14,544 INFO L225 Difference]: With dead ends: 1964 [2020-10-29 04:50:14,545 INFO L226 Difference]: Without dead ends: 1063 [2020-10-29 04:50:14,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:50:14,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-10-29 04:50:14,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 915. [2020-10-29 04:50:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-10-29 04:50:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1088 transitions. [2020-10-29 04:50:14,589 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1088 transitions. Word has length 150 [2020-10-29 04:50:14,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:14,589 INFO L481 AbstractCegarLoop]: Abstraction has 915 states and 1088 transitions. [2020-10-29 04:50:14,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:50:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1088 transitions. [2020-10-29 04:50:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-29 04:50:14,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:14,595 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:14,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:50:14,595 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:14,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:14,596 INFO L82 PathProgramCache]: Analyzing trace with hash 699767977, now seen corresponding path program 1 times [2020-10-29 04:50:14,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:14,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592223526] [2020-10-29 04:50:14,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:14,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:15,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:18,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-29 04:50:18,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4133 [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 04:50:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:18,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:18,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:18,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:18,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:50:18,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:18,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:18,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:18,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:19,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:19,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 04:50:19,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 04:50:19,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:19,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 04:50:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 04:50:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:19,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:19,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:19,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:19,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 04:50:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:50:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 04:50:19,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:19,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:50:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 04:50:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:50:19,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592223526] [2020-10-29 04:50:19,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:19,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:50:19,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625215361] [2020-10-29 04:50:19,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:50:19,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:19,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:50:19,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:50:19,338 INFO L87 Difference]: Start difference. First operand 915 states and 1088 transitions. Second operand 7 states. [2020-10-29 04:50:21,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:21,677 INFO L93 Difference]: Finished difference Result 1671 states and 1961 transitions. [2020-10-29 04:50:21,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:50:21,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-29 04:50:21,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:21,679 INFO L225 Difference]: With dead ends: 1671 [2020-10-29 04:50:21,679 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:50:21,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:50:21,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:50:21,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:50:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:50:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:50:21,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2020-10-29 04:50:21,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:21,686 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:50:21,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:50:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:50:21,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:50:21,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:50:21,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:50:22,033 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 115 [2020-10-29 04:50:22,151 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 115 [2020-10-29 04:50:23,023 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2020-10-29 04:50:23,176 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-29 04:50:23,397 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 40 [2020-10-29 04:50:23,569 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 40 [2020-10-29 04:50:23,576 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:50:23,577 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:50:23,577 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:50:23,577 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:50:23,577 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:23,579 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)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:50:23,579 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:23,579 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:50:23,579 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:50:23,580 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:50:23,581 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:50:23,582 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:50:23,582 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:50:23,582 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:50:23,584 INFO L270 CegarLoopResult]: At program point L468(line 468) the Hoare annotation is: (let ((.cse0 (not (= |old(~a11~0)| 1))) (.cse1 (not (= 0 |old(~a19~0)|))) (.cse2 (not (= 8 |old(~a17~0)|)))) (and (or (not (<= |old(~a25~0)| 1)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a11~0)| 1)) (not (<= 7 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (<= 1 |old(~a11~0)|)) (not (<= 1 |old(~a25~0)|))) (or (not (= 10 |old(~a28~0)|)) .cse0) (or .cse1 .cse0) (or .cse2 .cse0) (or .cse1 .cse2) (or (not (= |old(~a19~0)| 1)) .cse2))) [2020-10-29 04:50:23,584 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:50:23,584 INFO L274 CegarLoopResult]: For program point L468-1(line 468) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,585 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,587 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,587 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,587 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:50:23,587 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:23,588 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,589 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,590 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,590 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:50:23,591 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:50:23,592 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,593 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,594 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:50:23,594 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:50:23,594 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:50:23,594 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:50:23,594 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:50:23,595 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:50:23,596 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:50:23,596 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:23,596 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:50:23,596 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:23,596 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:23,597 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,598 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,599 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:50:23,600 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse3 (= ~a17~0 8)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a19~0 0)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse7 (not (= 0 |old(~a19~0)|))) (.cse6 (not (= |old(~a11~0)| 1)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse5 (and .cse0 .cse8 .cse1 .cse2 .cse3)) (or (not (<= |old(~a25~0)| 1)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a11~0)| 1)) (not (<= 7 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= 7 |old(~a28~0)|)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) .cse4) (not (= ~a21~0 1)) (not (<= 1 |old(~a11~0)|)) (not (<= 1 |old(~a25~0)|))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 (= ~a19~0 1) .cse2 .cse3) .cse5) (or (not (= 10 |old(~a28~0)|)) (and .cse9 .cse1 .cse2 .cse4 (= ~a28~0 10)) .cse6) (or (and .cse0 .cse8 .cse9 .cse1 .cse2) .cse7 .cse6))) [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:50:23,601 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:50:23,602 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:50:23,603 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:50:23,604 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:23,605 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:23,605 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:50:23,605 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:50:23,605 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:50:23,605 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:23,606 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a17~0 8)) [2020-10-29 04:50:23,606 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:50:23,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:23,607 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (= ~a19~0 0)) (.cse0 (= ~a11~0 1)) (.cse2 (= ~a17~0 8))) (or (and .cse0 (= ~a28~0 10)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (= ~a21~0 1) (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= |old(~a19~0)| 1)) (and .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse0) (and .cse2 .cse0) (and (= ~a19~0 1) .cse2))) [2020-10-29 04:50:23,607 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|))) [2020-10-29 04:50:23,607 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:23,607 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:23,607 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 0)) (.cse0 (= ~a11~0 1)) (.cse2 (= ~a17~0 8))) (or (and (<= 1 ~a11~0) (<= 7 ~a17~0) (= ~a21~0 1) (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (and .cse0 (= ~a28~0 10)) (not (= |old(~a19~0)| 1)) (and .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse0) (and .cse2 .cse0) (and (= ~a19~0 1) .cse2))) [2020-10-29 04:50:23,607 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:50:23,608 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:50:23,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:50:23 BoogieIcfgContainer [2020-10-29 04:50:23,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:50:23,647 INFO L168 Benchmark]: Toolchain (without parser) took 32463.69 ms. Allocated memory was 125.8 MB in the beginning and 544.2 MB in the end (delta: 418.4 MB). Free memory was 99.5 MB in the beginning and 501.1 MB in the end (delta: -401.6 MB). Peak memory consumption was 322.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:23,648 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 125.8 MB. Free memory is still 84.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:50:23,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.28 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 73.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:23,655 INFO L168 Benchmark]: Boogie Preprocessor took 145.26 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 73.0 MB in the beginning and 129.9 MB in the end (delta: -56.9 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:23,656 INFO L168 Benchmark]: RCFGBuilder took 1416.17 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 84.1 MB in the end (delta: 45.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:23,657 INFO L168 Benchmark]: TraceAbstraction took 30189.87 ms. Allocated memory was 151.0 MB in the beginning and 544.2 MB in the end (delta: 393.2 MB). Free memory was 84.1 MB in the beginning and 501.1 MB in the end (delta: -417.0 MB). Peak memory consumption was 281.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:23,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 125.8 MB. Free memory is still 84.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 697.28 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 73.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.26 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 73.0 MB in the beginning and 129.9 MB in the end (delta: -56.9 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1416.17 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 84.1 MB in the end (delta: 45.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30189.87 ms. Allocated memory was 151.0 MB in the beginning and 544.2 MB in the end (delta: 393.2 MB). Free memory was 84.1 MB in the beginning and 501.1 MB in the end (delta: -417.0 MB). Peak memory consumption was 281.3 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: 608]: Loop Invariant Derived loop invariant: (((((((a11 == 1 && a28 == 10) || ((((((((((1 <= a11 && 7 <= a17) && a21 == 1) && 1 <= a25) && 7 <= a28) && a11 <= 1) && a19 <= 1) && a28 <= 7) && a25 <= 1) && a17 <= 7) && 1 <= a19)) || !(\old(a19) == 1)) || (a19 == 0 && a17 == 8)) || !(8 == \old(a17))) || (a19 == 0 && a11 == 1)) || (a17 == 8 && a11 == 1)) || (a19 == 1 && a17 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 223 SDtfs, 2280 SDslu, 213 SDs, 0 SdLazy, 4817 SolverSat, 738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=915occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 80 PreInvPairs, 104 NumberOfFragments, 562 HoareAnnotationTreeSize, 80 FomulaSimplifications, 31925 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1221 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 883 NumberOfCodeBlocks, 883 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 787630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 292/301 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...