/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/Problem10_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:00:27,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:00:27,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:00:27,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:00:27,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:00:27,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:00:27,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:00:27,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:00:27,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:00:27,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:00:27,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:00:27,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:00:27,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:00:27,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:00:27,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:00:27,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:00:27,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:00:27,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:00:27,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:00:27,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:00:27,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:00:27,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:00:27,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:00:27,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:00:27,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:00:27,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:00:27,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:00:27,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:00:27,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:00:27,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:00:27,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:00:27,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:00:27,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:00:27,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:00:27,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:00:27,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:00:27,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:00:27,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:00:27,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:00:27,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:00:27,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:00:27,738 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 12:00:27,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:00:27,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:00:27,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:00:27,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:00:27,798 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:00:27,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:00:27,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:00:27,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:00:27,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:00:27,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:00:27,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:00:27,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:00:27,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:00:27,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:00:27,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:00:27,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:00:27,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:00:27,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:00:27,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:00:27,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:00:27,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:00:27,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:00:27,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:00:27,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:00:27,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:00:27,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:00:27,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:00:27,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:00:27,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:00:27,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:00:28,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:00:28,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:00:28,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:00:28,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:00:28,284 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:00:28,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-10-28 12:00:28,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2cbae2bef/062997e3953d4219b70f01ead3307faa/FLAG93a5ce045 [2020-10-28 12:00:29,139 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:00:29,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-10-28 12:00:29,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2cbae2bef/062997e3953d4219b70f01ead3307faa/FLAG93a5ce045 [2020-10-28 12:00:29,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2cbae2bef/062997e3953d4219b70f01ead3307faa [2020-10-28 12:00:29,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:00:29,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:00:29,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:00:29,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:00:29,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:00:29,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:00:29" (1/1) ... [2020-10-28 12:00:29,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14315246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:29, skipping insertion in model container [2020-10-28 12:00:29,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:00:29" (1/1) ... [2020-10-28 12:00:29,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:00:29,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:00:29,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:00:29,979 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:00:30,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:00:30,218 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:00:30,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30 WrapperNode [2020-10-28 12:00:30,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:00:30,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:00:30,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:00:30,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:00:30,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (1/1) ... [2020-10-28 12:00:30,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:00:30,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:00:30,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:00:30,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:00:30,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (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 12:00:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:00:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:00:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:00:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:00:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:00:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:00:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:00:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:00:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:00:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:00:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:00:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:00:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:00:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:00:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:00:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:00:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:00:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:00:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:00:32,046 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:00:32,046 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:00:32,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:00:32 BoogieIcfgContainer [2020-10-28 12:00:32,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:00:32,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:00:32,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:00:32,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:00:32,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:00:29" (1/3) ... [2020-10-28 12:00:32,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ea4afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:00:32, skipping insertion in model container [2020-10-28 12:00:32,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:30" (2/3) ... [2020-10-28 12:00:32,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ea4afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:00:32, skipping insertion in model container [2020-10-28 12:00:32,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:00:32" (3/3) ... [2020-10-28 12:00:32,059 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2020-10-28 12:00:32,071 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:00:32,077 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:00:32,091 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:00:32,123 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:00:32,123 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:00:32,123 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:00:32,123 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:00:32,123 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:00:32,124 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:00:32,124 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:00:32,124 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:00:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 12:00:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 12:00:32,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:32,160 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] [2020-10-28 12:00:32,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:32,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:32,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1214644270, now seen corresponding path program 1 times [2020-10-28 12:00:32,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:32,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554585263] [2020-10-28 12:00:32,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:32,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:32,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:32,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:00:32,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 615 [2020-10-28 12:00:32,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:33,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-28 12:00:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-10-28 12:00:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:33,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:33,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:33,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:33,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 12:00:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:33,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:33,323 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 12:00:33,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554585263] [2020-10-28 12:00:33,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:00:33,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:00:33,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92331042] [2020-10-28 12:00:33,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:00:33,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:33,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:00:33,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:00:33,358 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 12:00:35,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:35,253 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 12:00:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:35,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-28 12:00:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:35,272 INFO L225 Difference]: With dead ends: 586 [2020-10-28 12:00:35,272 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 12:00:35,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:35,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 12:00:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 12:00:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 12:00:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 12:00:35,399 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 61 [2020-10-28 12:00:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:35,401 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 12:00:35,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:00:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 12:00:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 12:00:35,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:35,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:35,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:00:35,418 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:35,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:35,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2013809647, now seen corresponding path program 1 times [2020-10-28 12:00:35,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:35,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304142841] [2020-10-28 12:00:35,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:35,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:36,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:36,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 12:00:36,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-28 12:00:36,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:36,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:00:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 12:00:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:36,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:36,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:36,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:36,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:36,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:00:36,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:36,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:00:36,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:37,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:00:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 12:00:37,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:37,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:00:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:37,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304142841] [2020-10-28 12:00:37,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:37,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:37,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713290070] [2020-10-28 12:00:37,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:37,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:37,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:37,162 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 12:00:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:38,823 INFO L93 Difference]: Finished difference Result 741 states and 1021 transitions. [2020-10-28 12:00:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:38,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-28 12:00:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:38,831 INFO L225 Difference]: With dead ends: 741 [2020-10-28 12:00:38,832 INFO L226 Difference]: Without dead ends: 448 [2020-10-28 12:00:38,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:38,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-28 12:00:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-28 12:00:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-28 12:00:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 554 transitions. [2020-10-28 12:00:38,862 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 554 transitions. Word has length 131 [2020-10-28 12:00:38,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:38,863 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 554 transitions. [2020-10-28 12:00:38,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 554 transitions. [2020-10-28 12:00:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 12:00:38,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:38,866 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:00:38,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:00:38,866 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:38,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:38,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1835782153, now seen corresponding path program 1 times [2020-10-28 12:00:38,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:38,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910428545] [2020-10-28 12:00:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:39,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:40,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:40,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 12:00:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1286 [2020-10-28 12:00:40,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:40,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 12:00:40,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:40,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:40,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:40,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:40,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:00:40,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:40,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:40,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:40,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:40,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:40,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:40,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:40,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-28 12:00:40,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:40,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:00:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:40,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910428545] [2020-10-28 12:00:40,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:00:40,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:00:40,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475705350] [2020-10-28 12:00:40,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:40,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:40,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:40,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:40,779 INFO L87 Difference]: Start difference. First operand 444 states and 554 transitions. Second operand 7 states. [2020-10-28 12:00:42,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:42,627 INFO L93 Difference]: Finished difference Result 1035 states and 1286 transitions. [2020-10-28 12:00:42,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:00:42,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-10-28 12:00:42,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:42,633 INFO L225 Difference]: With dead ends: 1035 [2020-10-28 12:00:42,633 INFO L226 Difference]: Without dead ends: 597 [2020-10-28 12:00:42,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:00:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-28 12:00:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 593. [2020-10-28 12:00:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-28 12:00:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 721 transitions. [2020-10-28 12:00:42,689 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 721 transitions. Word has length 138 [2020-10-28 12:00:42,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:42,689 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 721 transitions. [2020-10-28 12:00:42,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 721 transitions. [2020-10-28 12:00:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-28 12:00:42,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:42,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:00:42,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:00:42,695 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:42,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:42,698 INFO L82 PathProgramCache]: Analyzing trace with hash 835772877, now seen corresponding path program 1 times [2020-10-28 12:00:42,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:42,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203567576] [2020-10-28 12:00:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:42,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:43,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-28 12:00:43,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:43,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-28 12:00:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:43,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:00:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 12:00:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:43,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:43,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:43,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:43,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:00:43,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:43,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:43,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:43,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:43,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:43,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:00:43,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:43,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 12:00:43,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:43,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:00:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:43,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203567576] [2020-10-28 12:00:43,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:43,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:43,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488673465] [2020-10-28 12:00:43,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:43,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:43,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:43,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:43,495 INFO L87 Difference]: Start difference. First operand 593 states and 721 transitions. Second operand 5 states. [2020-10-28 12:00:45,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:45,202 INFO L93 Difference]: Finished difference Result 1188 states and 1526 transitions. [2020-10-28 12:00:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:45,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-28 12:00:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:45,213 INFO L225 Difference]: With dead ends: 1188 [2020-10-28 12:00:45,214 INFO L226 Difference]: Without dead ends: 744 [2020-10-28 12:00:45,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:45,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-10-28 12:00:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 738. [2020-10-28 12:00:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-10-28 12:00:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 911 transitions. [2020-10-28 12:00:45,270 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 911 transitions. Word has length 140 [2020-10-28 12:00:45,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:45,271 INFO L481 AbstractCegarLoop]: Abstraction has 738 states and 911 transitions. [2020-10-28 12:00:45,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 911 transitions. [2020-10-28 12:00:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 12:00:45,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:45,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:45,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:00:45,280 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:45,281 INFO L82 PathProgramCache]: Analyzing trace with hash -247271443, now seen corresponding path program 1 times [2020-10-28 12:00:45,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:45,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33805664] [2020-10-28 12:00:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:45,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-28 12:00:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-28 12:00:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:46,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 12:00:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:46,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:46,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:46,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:46,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:00:46,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:46,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:46,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:46,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:46,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 12:00:46,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:46,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-28 12:00:46,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:46,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 12:00:46,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:46,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33805664] [2020-10-28 12:00:46,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:00:46,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:00:46,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234585070] [2020-10-28 12:00:46,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:46,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:46,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:46,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:46,658 INFO L87 Difference]: Start difference. First operand 738 states and 911 transitions. Second operand 7 states. [2020-10-28 12:00:48,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:48,582 INFO L93 Difference]: Finished difference Result 1673 states and 2159 transitions. [2020-10-28 12:00:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:00:48,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-10-28 12:00:48,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:48,595 INFO L225 Difference]: With dead ends: 1673 [2020-10-28 12:00:48,596 INFO L226 Difference]: Without dead ends: 1084 [2020-10-28 12:00:48,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:00:48,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-10-28 12:00:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1050. [2020-10-28 12:00:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2020-10-28 12:00:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1227 transitions. [2020-10-28 12:00:48,661 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1227 transitions. Word has length 156 [2020-10-28 12:00:48,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:48,661 INFO L481 AbstractCegarLoop]: Abstraction has 1050 states and 1227 transitions. [2020-10-28 12:00:48,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1227 transitions. [2020-10-28 12:00:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-28 12:00:48,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:48,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:48,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:00:48,667 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:48,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:48,668 INFO L82 PathProgramCache]: Analyzing trace with hash 402494958, now seen corresponding path program 1 times [2020-10-28 12:00:48,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:48,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509785596] [2020-10-28 12:00:48,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:48,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:49,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:49,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:50,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 12:00:50,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1709 [2020-10-28 12:00:50,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:50,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:00:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-28 12:00:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:50,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:50,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:50,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:50,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:50,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:50,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:50,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:50,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:50,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:50,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:50,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:50,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:00:50,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 12:00:50,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:50,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:50,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:50,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:00:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 12:00:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:51,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:51,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:51,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:51,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-28 12:00:51,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:51,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:00:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 53 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:00:51,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509785596] [2020-10-28 12:00:51,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:51,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:00:51,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314330246] [2020-10-28 12:00:51,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:51,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:51,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:51,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:51,387 INFO L87 Difference]: Start difference. First operand 1050 states and 1227 transitions. Second operand 7 states. [2020-10-28 12:00:53,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:53,685 INFO L93 Difference]: Finished difference Result 3139 states and 3772 transitions. [2020-10-28 12:00:53,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:00:53,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-28 12:00:53,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:53,700 INFO L225 Difference]: With dead ends: 3139 [2020-10-28 12:00:53,700 INFO L226 Difference]: Without dead ends: 1650 [2020-10-28 12:00:53,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:00:53,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2020-10-28 12:00:53,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1340. [2020-10-28 12:00:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-28 12:00:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1563 transitions. [2020-10-28 12:00:53,774 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1563 transitions. Word has length 217 [2020-10-28 12:00:53,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:53,775 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 1563 transitions. [2020-10-28 12:00:53,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1563 transitions. [2020-10-28 12:00:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-10-28 12:00:53,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:53,786 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:53,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:00:53,786 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:53,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:53,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1403577527, now seen corresponding path program 1 times [2020-10-28 12:00:53,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:53,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948657698] [2020-10-28 12:00:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:54,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:54,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:54,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:58,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 388 [2020-10-28 12:00:58,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-28 12:00:58,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:58,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-28 12:00:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 12:00:58,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:59,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:59,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:59,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:59,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:00:59,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:59,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:59,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:59,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:59,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:59,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 12:00:59,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:59,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:59,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:59,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:59,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:59,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 12:00:59,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:59,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:59,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 12:00:59,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:59,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 12:00:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:59,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:59,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:59,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 12:00:59,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-28 12:00:59,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:59,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:59,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:59,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 12:00:59,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 350 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 12:01:00,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948657698] [2020-10-28 12:01:00,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:00,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:00,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690518985] [2020-10-28 12:01:00,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:00,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:00,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:00,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:00,077 INFO L87 Difference]: Start difference. First operand 1340 states and 1563 transitions. Second operand 7 states. [2020-10-28 12:01:02,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:02,309 INFO L93 Difference]: Finished difference Result 2698 states and 3213 transitions. [2020-10-28 12:01:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:01:02,309 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 372 [2020-10-28 12:01:02,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:02,320 INFO L225 Difference]: With dead ends: 2698 [2020-10-28 12:01:02,320 INFO L226 Difference]: Without dead ends: 1507 [2020-10-28 12:01:02,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:01:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2020-10-28 12:01:02,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1352. [2020-10-28 12:01:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-10-28 12:01:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1582 transitions. [2020-10-28 12:01:02,379 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1582 transitions. Word has length 372 [2020-10-28 12:01:02,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:02,380 INFO L481 AbstractCegarLoop]: Abstraction has 1352 states and 1582 transitions. [2020-10-28 12:01:02,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1582 transitions. [2020-10-28 12:01:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-28 12:01:02,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:02,389 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:02,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:01:02,390 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:02,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:02,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1509911877, now seen corresponding path program 1 times [2020-10-28 12:01:02,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:02,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353433798] [2020-10-28 12:01:02,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:02,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:03,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:04,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:06,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:06,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 389 [2020-10-28 12:01:06,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:01:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4310 [2020-10-28 12:01:06,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:06,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:01:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-28 12:01:06,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:06,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:06,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:06,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:06,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:06,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:01:06,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:06,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:06,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:06,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:06,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:06,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:01:07,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 12:01:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:07,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:01:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:07,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:01:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:07,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:07,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:07,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:01:07,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:07,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 12:01:07,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:07,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:07,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:07,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:07,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:01:07,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:07,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 12:01:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:07,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:07,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 12:01:07,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:07,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-28 12:01:07,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:07,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:07,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 12:01:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 340 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 12:01:07,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353433798] [2020-10-28 12:01:07,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:07,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:07,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72529820] [2020-10-28 12:01:07,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:07,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:07,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:07,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:07,709 INFO L87 Difference]: Start difference. First operand 1352 states and 1582 transitions. Second operand 7 states. [2020-10-28 12:01:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:09,675 INFO L93 Difference]: Finished difference Result 3159 states and 3765 transitions. [2020-10-28 12:01:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:01:09,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 373 [2020-10-28 12:01:09,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:09,690 INFO L225 Difference]: With dead ends: 3159 [2020-10-28 12:01:09,690 INFO L226 Difference]: Without dead ends: 1956 [2020-10-28 12:01:09,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:01:09,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2020-10-28 12:01:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1946. [2020-10-28 12:01:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2020-10-28 12:01:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2258 transitions. [2020-10-28 12:01:09,755 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2258 transitions. Word has length 373 [2020-10-28 12:01:09,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:09,756 INFO L481 AbstractCegarLoop]: Abstraction has 1946 states and 2258 transitions. [2020-10-28 12:01:09,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2258 transitions. [2020-10-28 12:01:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-10-28 12:01:09,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:09,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:09,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:01:09,769 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:09,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:09,769 INFO L82 PathProgramCache]: Analyzing trace with hash 687672373, now seen corresponding path program 1 times [2020-10-28 12:01:09,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:09,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652682669] [2020-10-28 12:01:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:09,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:14,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:14,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 398 [2020-10-28 12:01:14,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:01:14,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4408 [2020-10-28 12:01:14,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:14,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:01:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 12:01:14,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:14,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:14,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:14,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:14,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:14,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:01:14,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:14,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:14,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:14,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:14,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:14,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:01:14,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:14,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 12:01:14,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:14,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:14,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:14,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:01:14,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:14,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:01:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:14,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:14,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 12:01:14,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:14,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-28 12:01:14,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:14,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:14,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:14,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:14,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 12:01:14,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 12:01:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:14,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:14,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:14,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 12:01:14,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:14,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 12:01:14,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:14,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 12:01:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:14,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 247 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 12:01:15,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652682669] [2020-10-28 12:01:15,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:15,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:15,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496247844] [2020-10-28 12:01:15,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:15,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:15,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:15,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:15,125 INFO L87 Difference]: Start difference. First operand 1946 states and 2258 transitions. Second operand 7 states. [2020-10-28 12:01:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:17,279 INFO L93 Difference]: Finished difference Result 3755 states and 4378 transitions. [2020-10-28 12:01:17,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:01:17,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 382 [2020-10-28 12:01:17,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:17,296 INFO L225 Difference]: With dead ends: 3755 [2020-10-28 12:01:17,296 INFO L226 Difference]: Without dead ends: 1958 [2020-10-28 12:01:17,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:01:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2020-10-28 12:01:17,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1952. [2020-10-28 12:01:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-28 12:01:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2245 transitions. [2020-10-28 12:01:17,359 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2245 transitions. Word has length 382 [2020-10-28 12:01:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:17,359 INFO L481 AbstractCegarLoop]: Abstraction has 1952 states and 2245 transitions. [2020-10-28 12:01:17,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2245 transitions. [2020-10-28 12:01:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-10-28 12:01:17,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:17,370 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:17,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:01:17,371 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:17,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1912184955, now seen corresponding path program 1 times [2020-10-28 12:01:17,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:17,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915689722] [2020-10-28 12:01:17,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:17,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:17,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-28 12:01:18,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 921 [2020-10-28 12:01:18,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-28 12:01:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 12:01:18,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:18,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:18,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:18,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:18,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:01:18,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:18,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:18,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:18,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:01:18,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:01:18,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:18,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:01:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:18,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 12:01:18,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:18,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:01:18,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:18,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:18,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:18,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 12:01:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:18,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 12:01:18,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-28 12:01:18,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 12:01:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-28 12:01:18,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915689722] [2020-10-28 12:01:18,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:18,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:01:18,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424901473] [2020-10-28 12:01:18,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:01:18,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:18,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:01:18,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:18,966 INFO L87 Difference]: Start difference. First operand 1952 states and 2245 transitions. Second operand 5 states. [2020-10-28 12:01:20,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:20,519 INFO L93 Difference]: Finished difference Result 3897 states and 4490 transitions. [2020-10-28 12:01:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:20,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 386 [2020-10-28 12:01:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:20,522 INFO L225 Difference]: With dead ends: 3897 [2020-10-28 12:01:20,522 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:01:20,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:01:20,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:01:20,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:01:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:01:20,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 386 [2020-10-28 12:01:20,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:20,532 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:01:20,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:01:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:01:20,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:01:20,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:01:20,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:01:20,724 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 126 [2020-10-28 12:01:21,065 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 126 [2020-10-28 12:01:21,202 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2020-10-28 12:01:21,438 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2020-10-28 12:01:22,092 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 37 [2020-10-28 12:01:22,333 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2020-10-28 12:01:22,338 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:01:22,339 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:01:22,339 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:01:22,339 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:01:22,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:01:22,340 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 12:01:22,340 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:01:22,340 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 12:01:22,340 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 12:01:22,340 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 12:01:22,340 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 12:01:22,341 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9)))) (and (not (= 6 |old(~a19~0)|)) (or (not (<= 8 |old(~a19~0)|)) .cse0) (not (= |old(~a10~0)| 1)) (not (= 0 |old(~a10~0)|)) (or .cse0 (not (= 2 |old(~a10~0)|))))) [2020-10-28 12:01:22,341 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 12:01:22,341 INFO L274 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-28 12:01:22,341 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 12:01:22,341 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 12:01:22,341 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 12:01:22,341 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,342 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 12:01:22,343 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 12:01:22,344 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 12:01:22,345 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 12:01:22,346 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,347 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 12:01:22,348 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 12:01:22,349 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,350 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 12:01:22,351 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,352 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 12:01:22,353 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 12:01:22,354 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse3 (not (<= |old(~a19~0)| 9))) (.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (= 6 |old(~a19~0)|)) (and .cse0 (= ~a19~0 6) .cse1)) (or (not (= |old(~a10~0)| 1)) .cse2) (or .cse2 (not (<= 8 |old(~a19~0)|)) .cse3) (or .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse2 (not (= 0 |old(~a10~0)|)))))) [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 12:01:22,355 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 12:01:22,356 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,357 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 12:01:22,358 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:01:22,359 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 12:01:22,359 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:01:22,359 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:01:22,360 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 12:01:22,360 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:01:22,360 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 8 ~a19~0) .cse0) (= ~a10~0 1) (= ~a10~0 0) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse0) (= ~a19~0 6) (not (= 23 |old(~a1~0)|)))) [2020-10-28 12:01:22,360 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 12:01:22,360 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 12:01:22,360 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 8 ~a19~0) .cse0) (= ~a10~0 1) (= ~a10~0 0) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse0) (= ~a19~0 6) (not (= 23 |old(~a1~0)|)))) [2020-10-28 12:01:22,360 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:01:22,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:01:22 BoogieIcfgContainer [2020-10-28 12:01:22,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:01:22,386 INFO L168 Benchmark]: Toolchain (without parser) took 53020.75 ms. Allocated memory was 153.1 MB in the beginning and 815.8 MB in the end (delta: 662.7 MB). Free memory was 125.8 MB in the beginning and 585.4 MB in the end (delta: -459.5 MB). Peak memory consumption was 486.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:01:22,386 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 153.1 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:01:22,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.49 ms. Allocated memory is still 153.1 MB. Free memory was 125.1 MB in the beginning and 131.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:01:22,388 INFO L168 Benchmark]: Boogie Preprocessor took 187.21 ms. Allocated memory is still 153.1 MB. Free memory was 131.1 MB in the beginning and 126.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:01:22,388 INFO L168 Benchmark]: RCFGBuilder took 1637.16 ms. Allocated memory is still 153.1 MB. Free memory was 126.4 MB in the beginning and 106.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:01:22,389 INFO L168 Benchmark]: TraceAbstraction took 50332.70 ms. Allocated memory was 153.1 MB in the beginning and 815.8 MB in the end (delta: 662.7 MB). Free memory was 106.4 MB in the beginning and 585.4 MB in the end (delta: -478.9 MB). Peak memory consumption was 465.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:01:22,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 153.1 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 845.49 ms. Allocated memory is still 153.1 MB. Free memory was 125.1 MB in the beginning and 131.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 187.21 ms. Allocated memory is still 153.1 MB. Free memory was 131.1 MB in the beginning and 126.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1637.16 ms. Allocated memory is still 153.1 MB. Free memory was 126.4 MB in the beginning and 106.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50332.70 ms. Allocated memory was 153.1 MB in the beginning and 815.8 MB in the end (delta: 662.7 MB). Free memory was 106.4 MB in the beginning and 585.4 MB in the end (delta: -478.9 MB). Peak memory consumption was 465.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((8 <= a19 && a19 <= 9) || a10 == 1) || a10 == 0) || !(8 <= \old(a19))) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (a10 == 2 && a19 <= 9)) || a19 == 6) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 273 SDtfs, 3798 SDslu, 260 SDs, 0 SdLazy, 8437 SolverSat, 1147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1952occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 533 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 170 PreInvPairs, 206 NumberOfFragments, 298 HoareAnnotationTreeSize, 170 FomulaSimplifications, 10308 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2875 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 2356 NumberOfCodeBlocks, 2356 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2346 ConstructedInterpolants, 0 QuantifiedInterpolants, 2086538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1981/2133 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...