/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem01_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:07:25,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:07:25,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:07:25,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:07:25,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:07:25,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:07:25,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:07:25,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:07:25,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:07:25,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:07:25,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:07:25,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:07:25,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:07:25,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:07:25,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:07:25,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:07:25,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:07:25,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:07:25,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:07:25,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:07:25,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:07:25,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:07:25,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:07:25,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:07:25,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:07:25,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:07:25,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:07:25,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:07:25,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:07:25,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:07:25,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:07:25,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:07:25,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:07:25,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:07:25,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:07:25,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:07:25,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:07:25,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:07:25,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:07:25,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:07:25,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:07:25,556 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 [2020-10-28 10:07:25,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:07:25,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:07:25,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:07:25,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:07:25,610 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:07:25,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:07:25,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:07:25,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:07:25,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:07:25,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:07:25,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:07:25,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:07:25,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:07:25,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:07:25,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:07:25,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:07:25,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:07:25,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:07:25,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:07:25,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:07:25,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:07:25,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:07:25,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:07:25,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:07:25,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:07:25,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:07:25,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:07:25,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:07:25,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:07:25,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:07:25,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:07:26,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:07:26,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:07:26,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:07:26,006 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:07:26,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label31.c [2020-10-28 10:07:26,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90ae21fd3/a89c2463808548af8fa47fb03fcf58b7/FLAGe6160a65f [2020-10-28 10:07:26,880 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:07:26,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label31.c [2020-10-28 10:07:26,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90ae21fd3/a89c2463808548af8fa47fb03fcf58b7/FLAGe6160a65f [2020-10-28 10:07:27,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90ae21fd3/a89c2463808548af8fa47fb03fcf58b7 [2020-10-28 10:07:27,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:07:27,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:07:27,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:27,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:07:27,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:07:27,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:27,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c40ebb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27, skipping insertion in model container [2020-10-28 10:07:27,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:27,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:07:27,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:07:27,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:27,728 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:07:27,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:27,972 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:07:27,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27 WrapperNode [2020-10-28 10:07:27,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:27,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:07:27,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:07:27,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:07:27,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:27,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:28,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:28,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:28,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:28,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:28,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (1/1) ... [2020-10-28 10:07:28,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:07:28,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:07:28,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:07:28,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:07:28,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (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 [2020-10-28 10:07:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:07:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:07:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:07:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:07:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:07:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:07:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:07:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:07:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:07:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:07:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:07:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:07:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:07:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:07:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:07:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:07:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:07:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:07:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:07:29,528 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:07:29,528 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:07:29,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:29 BoogieIcfgContainer [2020-10-28 10:07:29,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:07:29,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:07:29,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:07:29,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:07:29,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:07:27" (1/3) ... [2020-10-28 10:07:29,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298507ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:29, skipping insertion in model container [2020-10-28 10:07:29,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:27" (2/3) ... [2020-10-28 10:07:29,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298507ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:29, skipping insertion in model container [2020-10-28 10:07:29,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:29" (3/3) ... [2020-10-28 10:07:29,540 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label31.c [2020-10-28 10:07:29,549 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:07:29,555 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:07:29,568 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:07:29,596 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:07:29,596 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:07:29,596 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:07:29,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:07:29,597 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:07:29,597 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:07:29,597 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:07:29,597 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:07:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:07:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 10:07:29,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:29,636 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] [2020-10-28 10:07:29,636 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:29,643 INFO L82 PathProgramCache]: Analyzing trace with hash -386144477, now seen corresponding path program 1 times [2020-10-28 10:07:29,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:29,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685572019] [2020-10-28 10:07:29,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:31,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:31,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 10:07:31,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1910 [2020-10-28 10:07:31,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:31,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:07:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 10:07:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:07:32,030 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:07:32,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:32,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:32,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:32,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 10:07:32,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:32,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:32,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:07:32,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:32,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685572019] [2020-10-28 10:07:32,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:07:32,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:07:32,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975245707] [2020-10-28 10:07:32,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:07:32,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:32,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:07:32,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:07:32,137 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:07:32,288 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:33,960 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-28 10:07:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:33,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2020-10-28 10:07:33,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:33,985 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:07:33,985 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:07:33,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:34,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:07:34,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-28 10:07:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-28 10:07:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-28 10:07:34,101 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 99 [2020-10-28 10:07:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:34,102 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-28 10:07:34,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:07:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-28 10:07:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 10:07:34,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:34,108 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:34,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:07:34,109 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:34,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:34,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1138815710, now seen corresponding path program 1 times [2020-10-28 10:07:34,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:34,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744293799] [2020-10-28 10:07:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:34,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:34,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:37,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 10:07:37,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3486 [2020-10-28 10:07:37,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:37,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:07:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 10:07:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:37,851 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:07:37,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:37,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:37,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:37,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:07:37,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:37,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:37,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 10:07:37,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:37,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:07:37,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:07:37,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:37,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:07:37,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:37,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744293799] [2020-10-28 10:07:37,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:37,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:07:37,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241169362] [2020-10-28 10:07:37,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:07:37,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:37,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:07:37,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:37,986 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 6 states. [2020-10-28 10:07:38,216 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:40,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:40,069 INFO L93 Difference]: Finished difference Result 1112 states and 1575 transitions. [2020-10-28 10:07:40,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:07:40,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-10-28 10:07:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:40,079 INFO L225 Difference]: With dead ends: 1112 [2020-10-28 10:07:40,079 INFO L226 Difference]: Without dead ends: 837 [2020-10-28 10:07:40,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:07:40,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-10-28 10:07:40,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 829. [2020-10-28 10:07:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-10-28 10:07:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1079 transitions. [2020-10-28 10:07:40,143 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1079 transitions. Word has length 108 [2020-10-28 10:07:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:40,144 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1079 transitions. [2020-10-28 10:07:40,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:07:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1079 transitions. [2020-10-28 10:07:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 10:07:40,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:40,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:40,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:07:40,151 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:40,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:40,152 INFO L82 PathProgramCache]: Analyzing trace with hash -870017530, now seen corresponding path program 1 times [2020-10-28 10:07:40,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:40,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392463719] [2020-10-28 10:07:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:40,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:40,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:41,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:41,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 10:07:41,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:41,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 847 [2020-10-28 10:07:41,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:41,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:07:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 10:07:41,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:41,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:41,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:41,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:41,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:07:41,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:41,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:41,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:41,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:41,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:41,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:07:41,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:41,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:07:41,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:41,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:07:41,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:41,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392463719] [2020-10-28 10:07:41,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:41,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:41,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655609021] [2020-10-28 10:07:41,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:41,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:41,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:41,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:41,384 INFO L87 Difference]: Start difference. First operand 829 states and 1079 transitions. Second operand 5 states. [2020-10-28 10:07:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:42,848 INFO L93 Difference]: Finished difference Result 2341 states and 3135 transitions. [2020-10-28 10:07:42,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:42,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-28 10:07:42,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:42,866 INFO L225 Difference]: With dead ends: 2341 [2020-10-28 10:07:42,866 INFO L226 Difference]: Without dead ends: 1518 [2020-10-28 10:07:42,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:42,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2020-10-28 10:07:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1379. [2020-10-28 10:07:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1379 states. [2020-10-28 10:07:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1780 transitions. [2020-10-28 10:07:42,950 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1780 transitions. Word has length 110 [2020-10-28 10:07:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:42,956 INFO L481 AbstractCegarLoop]: Abstraction has 1379 states and 1780 transitions. [2020-10-28 10:07:42,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1780 transitions. [2020-10-28 10:07:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-28 10:07:42,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:42,968 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] [2020-10-28 10:07:42,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:07:42,968 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:42,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:42,969 INFO L82 PathProgramCache]: Analyzing trace with hash 2128273233, now seen corresponding path program 1 times [2020-10-28 10:07:42,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:42,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341391710] [2020-10-28 10:07:42,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:43,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 10:07:46,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:46,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3441 [2020-10-28 10:07:46,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 10:07:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 10:07:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:46,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:46,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:07:46,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:46,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:46,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:07:46,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:07:46,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 10:07:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 10:07:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:46,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341391710] [2020-10-28 10:07:46,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:46,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:46,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160540153] [2020-10-28 10:07:46,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:46,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:46,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:46,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:46,733 INFO L87 Difference]: Start difference. First operand 1379 states and 1780 transitions. Second operand 5 states. [2020-10-28 10:07:48,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:48,148 INFO L93 Difference]: Finished difference Result 4120 states and 5415 transitions. [2020-10-28 10:07:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:48,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-28 10:07:48,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:48,170 INFO L225 Difference]: With dead ends: 4120 [2020-10-28 10:07:48,171 INFO L226 Difference]: Without dead ends: 2747 [2020-10-28 10:07:48,177 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 [2020-10-28 10:07:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2020-10-28 10:07:48,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2747. [2020-10-28 10:07:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2747 states. [2020-10-28 10:07:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3485 transitions. [2020-10-28 10:07:48,301 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3485 transitions. Word has length 129 [2020-10-28 10:07:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:48,302 INFO L481 AbstractCegarLoop]: Abstraction has 2747 states and 3485 transitions. [2020-10-28 10:07:48,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3485 transitions. [2020-10-28 10:07:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 10:07:48,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:48,311 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:48,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:07:48,311 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash -645002325, now seen corresponding path program 1 times [2020-10-28 10:07:48,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:48,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335164189] [2020-10-28 10:07:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:48,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:52,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:53,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:53,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-28 10:07:53,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:07:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 10:07:53,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:53,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:07:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-28 10:07:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:53,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:53,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:53,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:07:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:53,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:53,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:53,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:53,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:07:53,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:07:53,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:53,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:07:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:07:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:53,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:53,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:53,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 10:07:53,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 10:07:53,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:53,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:53,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:53,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:53,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 10:07:53,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 10:07:53,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335164189] [2020-10-28 10:07:53,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:53,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:53,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231425761] [2020-10-28 10:07:53,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:53,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:53,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:53,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:53,678 INFO L87 Difference]: Start difference. First operand 2747 states and 3485 transitions. Second operand 5 states. [2020-10-28 10:07:55,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:55,101 INFO L93 Difference]: Finished difference Result 6175 states and 7980 transitions. [2020-10-28 10:07:55,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:55,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-28 10:07:55,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:55,124 INFO L225 Difference]: With dead ends: 6175 [2020-10-28 10:07:55,125 INFO L226 Difference]: Without dead ends: 3569 [2020-10-28 10:07:55,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3569 states. [2020-10-28 10:07:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3569 to 2759. [2020-10-28 10:07:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2759 states. [2020-10-28 10:07:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3426 transitions. [2020-10-28 10:07:55,258 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3426 transitions. Word has length 141 [2020-10-28 10:07:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:55,258 INFO L481 AbstractCegarLoop]: Abstraction has 2759 states and 3426 transitions. [2020-10-28 10:07:55,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3426 transitions. [2020-10-28 10:07:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 10:07:55,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:55,267 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:07:55,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:07:55,267 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:55,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:55,268 INFO L82 PathProgramCache]: Analyzing trace with hash 42697510, now seen corresponding path program 1 times [2020-10-28 10:07:55,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:55,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560248066] [2020-10-28 10:07:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:55,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:55,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:55,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:00,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:00,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-28 10:08:00,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:08:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 10:08:00,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:00,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:00,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:08:00,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-28 10:08:00,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 10:08:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:00,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:08:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:00,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:00,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:00,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:08:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:08:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:00,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:08:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:00,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:00,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:00,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:08:00,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 10:08:00,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:00,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:08:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:00,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:00,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:08:00,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 10:08:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:00,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 10:08:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:00,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 10:08:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:00,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:00,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:08:00,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:00,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 10:08:00,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-28 10:08:00,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560248066] [2020-10-28 10:08:00,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:08:00,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:08:00,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862759950] [2020-10-28 10:08:00,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:08:00,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:08:00,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:08:00,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:08:00,667 INFO L87 Difference]: Start difference. First operand 2759 states and 3426 transitions. Second operand 7 states. [2020-10-28 10:08:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:08:03,146 INFO L93 Difference]: Finished difference Result 5930 states and 7271 transitions. [2020-10-28 10:08:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 10:08:03,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-10-28 10:08:03,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:08:03,148 INFO L225 Difference]: With dead ends: 5930 [2020-10-28 10:08:03,148 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:08:03,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 10:08:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:08:03,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:08:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:08:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:08:03,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-10-28 10:08:03,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:08:03,160 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:08:03,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:08:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:08:03,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:08:03,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:08:03,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:08:04,463 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 36 [2020-10-28 10:08:04,767 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2020-10-28 10:08:04,771 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:08:04,772 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:08:04,772 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:08:04,772 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:08:04,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:08:04,774 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:08:04,774 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:08:04,774 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,774 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,774 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,774 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:08:04,775 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:08:04,776 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:08:04,776 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:08:04,776 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:08:04,777 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:08:04,777 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:08:04,777 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,777 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,777 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,777 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:08:04,778 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:08:04,779 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:08:04,779 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:08:04,779 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:08:04,779 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,779 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,780 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,780 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,781 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,781 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,781 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:08:04,781 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:08:04,781 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:08:04,781 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:08:04,782 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:08:04,783 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:08:04,783 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:08:04,783 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:08:04,783 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:08:04,784 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,784 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,784 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,784 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:08:04,785 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:08:04,786 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:08:04,787 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,788 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:08:04,789 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:08:04,789 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:08:04,789 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,790 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:08:04,791 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:08:04,792 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:08:04,792 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:08:04,792 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:08:04,792 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,792 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:08:04,793 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:08:04,794 INFO L270 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (not (= |old(~a7~0)| 1)))) (and (or .cse0 (not (<= |old(~a8~0)| 13))) (or .cse0 (not (<= |old(~a17~0)| 0))) (not (= |old(~a7~0)| 0)))) [2020-10-28 10:08:04,794 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:08:04,794 INFO L274 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-10-28 10:08:04,794 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:08:04,794 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:08:04,794 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,794 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (not (= |old(~a7~0)| 1))) (.cse1 (and (= ~a7~0 |old(~a7~0)|) .cse2 .cse3 .cse4 .cse5 .cse6))) (and (or .cse0 .cse1 (not (<= |old(~a17~0)| 0))) (or .cse0 (not (<= |old(~a8~0)| 13)) .cse1) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 (= ~a7~0 0)) (not (= |old(~a7~0)| 0)))))) [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:08:04,795 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,796 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:08:04,797 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,798 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:08:04,799 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:08:04,800 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 1) (= 5 ~a16~0) (= ~a7~0 0)) [2020-10-28 10:08:04,801 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:08:04,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:08:04,801 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0) (= ~a7~0 0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0))) [2020-10-28 10:08:04,801 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:08:04,801 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~a7~0 1))) (or (and .cse0 (<= ~a17~0 0)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= ~a8~0 13)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0)) (= ~a7~0 0))) [2020-10-28 10:08:04,801 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:08:04,801 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:08:04,802 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a7~0 1))) (or (and .cse0 (<= ~a17~0 0)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= ~a8~0 13)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0)) (= ~a7~0 0))) [2020-10-28 10:08:04,802 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:08:04,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:08:04 BoogieIcfgContainer [2020-10-28 10:08:04,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:08:04,828 INFO L168 Benchmark]: Toolchain (without parser) took 37674.63 ms. Allocated memory was 125.8 MB in the beginning and 723.5 MB in the end (delta: 597.7 MB). Free memory was 99.3 MB in the beginning and 487.1 MB in the end (delta: -387.8 MB). Peak memory consumption was 431.1 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:04,829 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 87.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:08:04,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.69 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 98.6 MB in the beginning and 141.4 MB in the end (delta: -42.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:04,836 INFO L168 Benchmark]: Boogie Preprocessor took 174.97 ms. Allocated memory is still 162.5 MB. Free memory was 141.4 MB in the beginning and 136.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:04,837 INFO L168 Benchmark]: RCFGBuilder took 1375.12 ms. Allocated memory is still 162.5 MB. Free memory was 136.3 MB in the beginning and 78.7 MB in the end (delta: 57.6 MB). Peak memory consumption was 58.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:04,838 INFO L168 Benchmark]: TraceAbstraction took 35291.91 ms. Allocated memory was 162.5 MB in the beginning and 723.5 MB in the end (delta: 561.0 MB). Free memory was 78.2 MB in the beginning and 487.1 MB in the end (delta: -409.0 MB). Peak memory consumption was 372.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:04,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 87.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 811.69 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 98.6 MB in the beginning and 141.4 MB in the end (delta: -42.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 174.97 ms. Allocated memory is still 162.5 MB. Free memory was 141.4 MB in the beginning and 136.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1375.12 ms. Allocated memory is still 162.5 MB. Free memory was 136.3 MB in the beginning and 78.7 MB in the end (delta: 57.6 MB). Peak memory consumption was 58.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35291.91 ms. Allocated memory was 162.5 MB in the beginning and 723.5 MB in the end (delta: 561.0 MB). Free memory was 78.2 MB in the beginning and 487.1 MB in the end (delta: -409.0 MB). Peak memory consumption was 372.7 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: 585]: Loop Invariant Derived loop invariant: (((((a7 == 1 && a17 <= 0) || !(\old(a20) == 1)) || (a7 == 1 && a8 <= 13)) || !(5 == \old(a16))) || !(\old(a7) == 0)) || a7 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 169 SDtfs, 2042 SDslu, 133 SDs, 0 SdLazy, 4578 SolverSat, 652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2759occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 963 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 174 PreInvPairs, 222 NumberOfFragments, 296 HoareAnnotationTreeSize, 174 FomulaSimplifications, 8408 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4038 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 306480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 171/178 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...