/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:45:01,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:45:01,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:45:01,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:45:01,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:45:01,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:45:01,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:45:01,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:45:01,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:45:01,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:45:01,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:45:01,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:45:01,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:45:01,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:45:01,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:45:01,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:45:01,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:45:01,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:45:01,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:45:01,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:45:01,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:45:01,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:45:01,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:45:01,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:45:01,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:45:01,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:45:01,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:45:01,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:45:01,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:45:01,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:45:01,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:45:01,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:45:01,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:45:01,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:45:01,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:45:01,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:45:01,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:45:01,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:45:01,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:45:01,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:45:01,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:45:01,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:45:01,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:45:01,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:45:01,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:45:01,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:45:01,335 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:45:01,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:45:01,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:45:01,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:45:01,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:45:01,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:45:01,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:45:01,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:45:01,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:45:01,337 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:45:01,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:45:01,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:45:01,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:45:01,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:45:01,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:45:01,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:45:01,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:45:01,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:01,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:45:01,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:45:01,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:45:01,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:45:01,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:45:01,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:45:01,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:45:01,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:45:01,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:45:01,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:45:01,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:45:01,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:45:01,902 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:45:01,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-10-29 04:45:02,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cacbffa3/b0de897988b7476cb21553b0680ccd90/FLAG821f87eb5 [2020-10-29 04:45:02,918 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:45:02,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-10-29 04:45:02,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cacbffa3/b0de897988b7476cb21553b0680ccd90/FLAG821f87eb5 [2020-10-29 04:45:03,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cacbffa3/b0de897988b7476cb21553b0680ccd90 [2020-10-29 04:45:03,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:45:03,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:45:03,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:03,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:45:03,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:45:03,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:03,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9562b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03, skipping insertion in model container [2020-10-29 04:45:03,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:03,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:45:03,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:45:03,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:03,819 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:45:03,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:03,970 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:45:03,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03 WrapperNode [2020-10-29 04:45:03,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:03,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:45:03,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:45:03,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:45:03,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:03,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:04,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:04,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:04,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:04,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:04,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... [2020-10-29 04:45:04,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:45:04,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:45:04,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:45:04,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:45:04,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:04,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:45:04,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:45:04,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:45:04,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:45:04,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:45:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:45:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:45:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:45:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:45:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:45:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:45:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:45:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:45:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:45:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:45:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:45:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:45:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:45:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:45:05,599 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:45:05,600 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:45:05,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:05 BoogieIcfgContainer [2020-10-29 04:45:05,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:45:05,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:45:05,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:45:05,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:45:05,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:45:03" (1/3) ... [2020-10-29 04:45:05,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dadb4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:05, skipping insertion in model container [2020-10-29 04:45:05,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:03" (2/3) ... [2020-10-29 04:45:05,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dadb4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:05, skipping insertion in model container [2020-10-29 04:45:05,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:05" (3/3) ... [2020-10-29 04:45:05,612 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-10-29 04:45:05,626 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:45:05,632 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:45:05,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:45:05,681 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:45:05,681 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:45:05,681 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:45:05,681 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:45:05,681 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:45:05,682 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:45:05,682 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:45:05,682 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:45:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:45:05,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 04:45:05,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:05,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:05,724 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:05,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1519427313, now seen corresponding path program 1 times [2020-10-29 04:45:05,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:05,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708811670] [2020-10-29 04:45:05,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:06,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:08,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 04:45:08,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:45:08,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2335 [2020-10-29 04:45:08,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:08,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:45:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:45:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 04:45:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:45:08,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:08,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:45:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:08,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:45:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:08,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708811670] [2020-10-29 04:45:08,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:45:08,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:45:08,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183060810] [2020-10-29 04:45:08,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:45:08,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:08,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:45:08,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:45:08,788 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:45:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:10,614 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:45:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:10,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-10-29 04:45:10,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:10,633 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:45:10,633 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:45:10,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:45:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:45:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:45:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 397 transitions. [2020-10-29 04:45:10,748 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 397 transitions. Word has length 120 [2020-10-29 04:45:10,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:10,750 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 397 transitions. [2020-10-29 04:45:10,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:45:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 397 transitions. [2020-10-29 04:45:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 04:45:10,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:10,758 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:10,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:45:10,759 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:10,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1048280658, now seen corresponding path program 1 times [2020-10-29 04:45:10,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:10,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665157068] [2020-10-29 04:45:10,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:10,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:13,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:15,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:15,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 04:45:15,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:45:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4150 [2020-10-29 04:45:15,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:15,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:45:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 04:45:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:15,241 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:15,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:15,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:15,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:15,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:15,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:45:15,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:15,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:15,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:15,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:15,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:45:15,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:45:15,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:15,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:45:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:15,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665157068] [2020-10-29 04:45:15,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:15,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:15,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263372423] [2020-10-29 04:45:15,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:15,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:15,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:15,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:15,350 INFO L87 Difference]: Start difference. First operand 281 states and 397 transitions. Second operand 5 states. [2020-10-29 04:45:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:17,154 INFO L93 Difference]: Finished difference Result 836 states and 1204 transitions. [2020-10-29 04:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:17,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-29 04:45:17,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:17,164 INFO L225 Difference]: With dead ends: 836 [2020-10-29 04:45:17,164 INFO L226 Difference]: Without dead ends: 561 [2020-10-29 04:45:17,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-29 04:45:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 420. [2020-10-29 04:45:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-29 04:45:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 577 transitions. [2020-10-29 04:45:17,203 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 577 transitions. Word has length 129 [2020-10-29 04:45:17,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:17,204 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 577 transitions. [2020-10-29 04:45:17,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 577 transitions. [2020-10-29 04:45:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 04:45:17,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:17,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:17,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:45:17,215 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:17,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:17,216 INFO L82 PathProgramCache]: Analyzing trace with hash -81517374, now seen corresponding path program 1 times [2020-10-29 04:45:17,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:17,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813836601] [2020-10-29 04:45:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:17,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:18,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:18,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:18,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 04:45:18,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:45:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1370 [2020-10-29 04:45:18,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:18,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 04:45:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 04:45:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:18,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:18,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:18,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:18,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:45:18,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:18,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:18,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:19,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:19,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 04:45:19,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 04:45:19,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:19,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 04:45:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:19,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813836601] [2020-10-29 04:45:19,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:19,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:19,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785490513] [2020-10-29 04:45:19,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:19,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:19,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:19,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:19,228 INFO L87 Difference]: Start difference. First operand 420 states and 577 transitions. Second operand 5 states. [2020-10-29 04:45:19,605 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-29 04:45:20,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:20,800 INFO L93 Difference]: Finished difference Result 919 states and 1311 transitions. [2020-10-29 04:45:20,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:20,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-29 04:45:20,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:20,805 INFO L225 Difference]: With dead ends: 919 [2020-10-29 04:45:20,805 INFO L226 Difference]: Without dead ends: 424 [2020-10-29 04:45:20,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:20,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-29 04:45:20,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 420. [2020-10-29 04:45:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-29 04:45:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 574 transitions. [2020-10-29 04:45:20,833 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 574 transitions. Word has length 137 [2020-10-29 04:45:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:20,834 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 574 transitions. [2020-10-29 04:45:20,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 574 transitions. [2020-10-29 04:45:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-29 04:45:20,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:20,837 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:20,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:45:20,838 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:20,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:20,838 INFO L82 PathProgramCache]: Analyzing trace with hash -578944713, now seen corresponding path program 1 times [2020-10-29 04:45:20,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:20,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112620449] [2020-10-29 04:45:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:20,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:22,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:22,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:22,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 04:45:22,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:45:22,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1609 [2020-10-29 04:45:22,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:22,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 04:45:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 04:45:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:22,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:22,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:22,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:22,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:22,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:45:22,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:22,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:22,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:22,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:22,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 04:45:22,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:22,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 04:45:22,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:22,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 04:45:22,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:45:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:22,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112620449] [2020-10-29 04:45:22,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:22,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:22,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091193842] [2020-10-29 04:45:22,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:22,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:22,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:22,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:22,780 INFO L87 Difference]: Start difference. First operand 420 states and 574 transitions. Second operand 5 states. [2020-10-29 04:45:24,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:24,282 INFO L93 Difference]: Finished difference Result 1249 states and 1747 transitions. [2020-10-29 04:45:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:24,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-29 04:45:24,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:24,296 INFO L225 Difference]: With dead ends: 1249 [2020-10-29 04:45:24,296 INFO L226 Difference]: Without dead ends: 835 [2020-10-29 04:45:24,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-29 04:45:24,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-29 04:45:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-29 04:45:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1108 transitions. [2020-10-29 04:45:24,360 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1108 transitions. Word has length 140 [2020-10-29 04:45:24,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:24,361 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1108 transitions. [2020-10-29 04:45:24,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1108 transitions. [2020-10-29 04:45:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 04:45:24,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:24,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:24,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:45:24,366 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash 528145723, now seen corresponding path program 1 times [2020-10-29 04:45:24,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:24,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804043108] [2020-10-29 04:45:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:24,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:24,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:25,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:25,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:25,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-29 04:45:25,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:45:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1601 [2020-10-29 04:45:25,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:25,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 04:45:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 04:45:26,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:26,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:26,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:45:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:26,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:26,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:26,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 04:45:26,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:26,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 04:45:26,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:26,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 04:45:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:45:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:26,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804043108] [2020-10-29 04:45:26,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:26,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:26,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79602937] [2020-10-29 04:45:26,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:26,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:26,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:26,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:26,834 INFO L87 Difference]: Start difference. First operand 831 states and 1108 transitions. Second operand 5 states. [2020-10-29 04:45:27,370 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 04:45:28,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:28,565 INFO L93 Difference]: Finished difference Result 1743 states and 2383 transitions. [2020-10-29 04:45:28,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:28,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-29 04:45:28,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:28,571 INFO L225 Difference]: With dead ends: 1743 [2020-10-29 04:45:28,571 INFO L226 Difference]: Without dead ends: 835 [2020-10-29 04:45:28,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:28,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-29 04:45:28,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-29 04:45:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-29 04:45:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1102 transitions. [2020-10-29 04:45:28,614 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1102 transitions. Word has length 154 [2020-10-29 04:45:28,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:28,614 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1102 transitions. [2020-10-29 04:45:28,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1102 transitions. [2020-10-29 04:45:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-29 04:45:28,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:28,619 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:28,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:45:28,620 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:28,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1252295504, now seen corresponding path program 1 times [2020-10-29 04:45:28,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:28,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586178992] [2020-10-29 04:45:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:28,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:30,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:33,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-29 04:45:33,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:45:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 04:45:33,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:33,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 04:45:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 04:45:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 04:45:33,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:34,344 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-29 04:45:34,600 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-10-29 04:45:34,896 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2020-10-29 04:45:35,184 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 50 [2020-10-29 04:45:35,443 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2020-10-29 04:45:35,712 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-10-29 04:45:35,943 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 38 [2020-10-29 04:45:36,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:36,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:36,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:36,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:36,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:45:36,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:36,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:36,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:36,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:36,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:36,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:36,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:36,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:45:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:36,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:36,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:36,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 04:45:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:36,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:36,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 04:45:36,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 04:45:36,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:36,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 04:45:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 04:45:36,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586178992] [2020-10-29 04:45:36,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:36,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 04:45:36,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849375971] [2020-10-29 04:45:36,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 04:45:36,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 04:45:36,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 04:45:36,521 INFO L87 Difference]: Start difference. First operand 831 states and 1102 transitions. Second operand 13 states. [2020-10-29 04:45:37,369 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 04:45:37,670 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 04:45:38,298 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 147 [2020-10-29 04:45:39,312 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 144 [2020-10-29 04:45:39,951 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2020-10-29 04:45:40,710 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 138 [2020-10-29 04:45:41,570 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2020-10-29 04:45:41,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:41,839 INFO L93 Difference]: Finished difference Result 1725 states and 2342 transitions. [2020-10-29 04:45:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 04:45:41,845 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 159 [2020-10-29 04:45:41,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:41,853 INFO L225 Difference]: With dead ends: 1725 [2020-10-29 04:45:41,853 INFO L226 Difference]: Without dead ends: 900 [2020-10-29 04:45:41,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-29 04:45:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-29 04:45:41,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896. [2020-10-29 04:45:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-10-29 04:45:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1176 transitions. [2020-10-29 04:45:41,905 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1176 transitions. Word has length 159 [2020-10-29 04:45:41,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:41,908 INFO L481 AbstractCegarLoop]: Abstraction has 896 states and 1176 transitions. [2020-10-29 04:45:41,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 04:45:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1176 transitions. [2020-10-29 04:45:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-29 04:45:41,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:41,914 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:41,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:45:41,915 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:41,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:41,918 INFO L82 PathProgramCache]: Analyzing trace with hash 992772468, now seen corresponding path program 1 times [2020-10-29 04:45:41,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:41,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509514321] [2020-10-29 04:45:41,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:41,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:42,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:42,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:44,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:46,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:46,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4347 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 04:45:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:46,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:46,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:46,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:46,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:46,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:45:46,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:46,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:46,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:46,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:46,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:46,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:45:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:46,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:45:46,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:46,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:46,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:46,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:46,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:46,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 04:45:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:46,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:46,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 04:45:46,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:46,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 04:45:46,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:46,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 04:45:46,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:45:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 04:45:46,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509514321] [2020-10-29 04:45:46,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:46,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:45:46,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365110246] [2020-10-29 04:45:46,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:45:46,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:46,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:45:46,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:46,633 INFO L87 Difference]: Start difference. First operand 896 states and 1176 transitions. Second operand 6 states. [2020-10-29 04:45:48,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:48,802 INFO L93 Difference]: Finished difference Result 2886 states and 3909 transitions. [2020-10-29 04:45:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:45:48,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2020-10-29 04:45:48,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:48,816 INFO L225 Difference]: With dead ends: 2886 [2020-10-29 04:45:48,816 INFO L226 Difference]: Without dead ends: 1996 [2020-10-29 04:45:48,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:45:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2020-10-29 04:45:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1587. [2020-10-29 04:45:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1587 states. [2020-10-29 04:45:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2091 transitions. [2020-10-29 04:45:48,894 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2091 transitions. Word has length 173 [2020-10-29 04:45:48,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:48,895 INFO L481 AbstractCegarLoop]: Abstraction has 1587 states and 2091 transitions. [2020-10-29 04:45:48,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:45:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2091 transitions. [2020-10-29 04:45:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-29 04:45:48,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:48,902 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:48,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:45:48,902 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:48,903 INFO L82 PathProgramCache]: Analyzing trace with hash -910000752, now seen corresponding path program 1 times [2020-10-29 04:45:48,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:48,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821383129] [2020-10-29 04:45:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:49,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:49,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:51,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3960 [2020-10-29 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-29 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:53,082 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:53,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:53,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:53,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:53,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:45:53,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:53,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:53,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:53,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:53,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:45:53,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:45:53,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:53,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 04:45:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:53,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:53,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 04:45:53,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 04:45:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:53,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 04:45:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 04:45:53,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821383129] [2020-10-29 04:45:53,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:53,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:53,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145405301] [2020-10-29 04:45:53,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:53,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:53,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:53,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:53,257 INFO L87 Difference]: Start difference. First operand 1587 states and 2091 transitions. Second operand 5 states. [2020-10-29 04:45:54,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:54,691 INFO L93 Difference]: Finished difference Result 3443 states and 4552 transitions. [2020-10-29 04:45:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:54,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2020-10-29 04:45:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:54,693 INFO L225 Difference]: With dead ends: 3443 [2020-10-29 04:45:54,693 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:45:54,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:54,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:45:54,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:45:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:45:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:45:54,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-10-29 04:45:54,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:54,701 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:45:54,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:45:54,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:45:54,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:45:54,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:45:55,228 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 67 [2020-10-29 04:45:55,419 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 45 [2020-10-29 04:45:55,578 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-10-29 04:45:56,534 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 110 [2020-10-29 04:45:56,724 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-10-29 04:45:56,911 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-10-29 04:45:57,188 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2020-10-29 04:45:57,192 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:45:57,193 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:45:57,193 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:45:57,193 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:45:57,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:45:57,195 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:45:57,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:45:57,195 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,196 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,197 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,197 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,197 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:45:57,198 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:45:57,199 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:45:57,200 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:45:57,200 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:45:57,200 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:45:57,200 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:45:57,200 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:45:57,201 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,202 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,203 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,222 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,222 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:45:57,222 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:45:57,222 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:45:57,223 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:45:57,224 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:45:57,224 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:45:57,224 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:45:57,224 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:45:57,224 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:45:57,226 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,226 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,226 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,226 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:45:57,227 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,228 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:45:57,229 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:45:57,230 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:45:57,231 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,231 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,231 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:45:57,231 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:45:57,232 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:45:57,232 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:45:57,232 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:45:57,232 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:45:57,232 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:45:57,233 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:45:57,234 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:45:57,235 INFO L270 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (and (not (= |old(~a17~0)| 1)) (not (= 14 |old(~a8~0)|)) (or (not (<= 4 |old(~a16~0)|)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) (not (<= |old(~a8~0)| 13)) (not (<= |old(~a16~0)| 4)) (not (<= |old(~a17~0)| 0)) (not (< 12 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (< 0 |old(~a20~0)|)) (not (<= |old(~a20~0)| 1))) (not (<= 6 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-29 04:45:57,235 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:45:57,235 INFO L274 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-10-29 04:45:57,235 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:45:57,235 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:45:57,235 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:45:57,236 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:45:57,236 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:45:57,236 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:45:57,236 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:45:57,237 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:45:57,238 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:45:57,238 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:45:57,239 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:45:57,239 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:45:57,239 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,239 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,239 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse2 .cse1 .cse4 .cse3 .cse5 .cse6))) (and (or .cse0 (not (<= 6 |old(~a16~0)|))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1))) (or (not (= |old(~a17~0)| 1)) .cse0) (or (not (<= 4 |old(~a16~0)|)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and .cse2 .cse1 (< 12 ~a8~0) .cse4 .cse3 (<= ~a16~0 4) (<= 4 ~a16~0) (<= ~a8~0 13)) (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) (not (<= |old(~a8~0)| 13)) (not (<= |old(~a16~0)| 4)) (not (<= |old(~a17~0)| 0)) (not (< 12 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (<= |old(~a20~0)| 1)) (not (< 0 |old(~a20~0)|))) (or (not (= 14 |old(~a8~0)|)) (and .cse2 .cse1 .cse4 .cse3 (= 14 ~a8~0) .cse5))))) [2020-10-29 04:45:57,240 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,240 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,240 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,240 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:45:57,240 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:45:57,241 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,242 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:45:57,243 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:45:57,244 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:45:57,245 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:45:57,245 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:45:57,246 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:45:57,247 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:45:57,247 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:45:57,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:45:57,247 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (<= ~a7~0 0) (= ~a17~0 1)) [2020-10-29 04:45:57,247 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:45:57,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:45:57,247 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) [2020-10-29 04:45:57,247 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:45:57,248 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (<= 6 ~a16~0) (not (<= |old(~a7~0)| 0)) (= 14 ~a8~0) (= ~a8~0 15) (and (<= 13 ~a8~0) (<= 1 ~a20~0) (<= ~a16~0 4) (= ~a12~0 8) (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (<= ~a17~0 0) (<= 4 ~a16~0) (<= ~a20~0 1) (or (< 1 ~a21~0) (<= ~a21~0 0)) (<= ~a8~0 13)) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (= ~a17~0 1)) [2020-10-29 04:45:57,248 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:45:57,248 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:45:57,248 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (<= 6 ~a16~0) (not (<= |old(~a7~0)| 0)) (= 14 ~a8~0) (and (<= 13 ~a8~0) (<= 1 ~a20~0) (<= ~a16~0 4) (= ~a12~0 8) (<= ~a17~0 0) (<= 4 ~a16~0) (<= ~a20~0 1) (or (< 1 ~a21~0) (<= ~a21~0 0)) (<= ~a8~0 13)) (= ~a8~0 15) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (= ~a17~0 1)) [2020-10-29 04:45:57,248 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:45:57,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:45:57 BoogieIcfgContainer [2020-10-29 04:45:57,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:45:57,279 INFO L168 Benchmark]: Toolchain (without parser) took 54118.99 ms. Allocated memory was 166.7 MB in the beginning and 659.6 MB in the end (delta: 492.8 MB). Free memory was 140.2 MB in the beginning and 623.3 MB in the end (delta: -483.1 MB). Peak memory consumption was 393.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:57,280 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 98.9 MB in the beginning and 98.9 MB in the end (delta: 72.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:45:57,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.31 ms. Allocated memory is still 166.7 MB. Free memory was 139.5 MB in the beginning and 144.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:57,281 INFO L168 Benchmark]: Boogie Preprocessor took 145.24 ms. Allocated memory is still 166.7 MB. Free memory was 144.5 MB in the beginning and 139.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:57,282 INFO L168 Benchmark]: RCFGBuilder took 1484.08 ms. Allocated memory is still 166.7 MB. Free memory was 139.7 MB in the beginning and 129.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:57,283 INFO L168 Benchmark]: TraceAbstraction took 51672.90 ms. Allocated memory was 166.7 MB in the beginning and 659.6 MB in the end (delta: 492.8 MB). Free memory was 129.3 MB in the beginning and 623.3 MB in the end (delta: -494.0 MB). Peak memory consumption was 382.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:57,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 98.9 MB in the beginning and 98.9 MB in the end (delta: 72.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 801.31 ms. Allocated memory is still 166.7 MB. Free memory was 139.5 MB in the beginning and 144.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.24 ms. Allocated memory is still 166.7 MB. Free memory was 144.5 MB in the beginning and 139.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1484.08 ms. Allocated memory is still 166.7 MB. Free memory was 139.7 MB in the beginning and 129.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 51672.90 ms. Allocated memory was 166.7 MB in the beginning and 659.6 MB in the end (delta: 492.8 MB). Free memory was 129.3 MB in the beginning and 623.3 MB in the end (delta: -494.0 MB). Peak memory consumption was 382.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((!(\old(a17) == 1) || 6 <= a16) || !(\old(a7) <= 0)) || 14 == a8) || ((((((((13 <= a8 && 1 <= a20) && a16 <= 4) && a12 == 8) && a17 <= 0) && 4 <= a16) && a20 <= 1) && (1 < a21 || a21 <= 0)) && a8 <= 13)) || a8 == 15) || !(a7 == 1)) || !(15 == \old(a8))) || a17 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.0s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 2495 SDslu, 176 SDs, 0 SdLazy, 5506 SolverSat, 673 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 55 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1587occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 572 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 128 PreInvPairs, 162 NumberOfFragments, 637 HoareAnnotationTreeSize, 128 FomulaSimplifications, 64868 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2258 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1179 ConstructedInterpolants, 0 QuantifiedInterpolants, 1889902 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 217/227 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...