/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:40:06,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:40:06,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:40:06,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:40:06,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:40:06,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:40:06,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:40:06,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:40:06,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:40:06,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:40:06,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:40:06,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:40:06,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:40:06,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:40:06,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:40:06,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:40:06,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:40:06,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:40:06,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:40:06,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:40:06,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:40:06,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:40:06,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:40:06,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:40:06,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:40:06,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:40:06,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:40:06,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:40:06,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:40:06,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:40:06,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:40:06,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:40:06,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:40:06,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:40:06,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:40:06,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:40:06,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:40:06,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:40:06,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:40:06,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:40:06,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:40:06,322 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 [2020-10-26 20:40:06,362 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:40:06,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:40:06,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:40:06,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:40:06,365 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:40:06,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:40:06,365 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:40:06,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:40:06,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:40:06,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:40:06,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:40:06,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:40:06,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:40:06,367 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:40:06,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:40:06,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:40:06,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:40:06,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:40:06,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:40:06,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:40:06,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:40:06,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:40:06,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:40:06,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:40:06,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:40:06,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:40:06,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:40:06,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:40:06,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:40:06,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:40:06,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:40:06,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:40:06,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:40:06,807 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:40:06,808 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:40:06,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2020-10-26 20:40:06,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/343cec8db/4fca0cdd2a0249b6854b7d2ed3f1a9da/FLAGc9c406a67 [2020-10-26 20:40:07,698 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:40:07,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2020-10-26 20:40:07,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/343cec8db/4fca0cdd2a0249b6854b7d2ed3f1a9da/FLAGc9c406a67 [2020-10-26 20:40:07,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/343cec8db/4fca0cdd2a0249b6854b7d2ed3f1a9da [2020-10-26 20:40:07,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:40:07,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:40:07,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:40:07,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:40:07,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:40:07,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:40:07" (1/1) ... [2020-10-26 20:40:08,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22140284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:07, skipping insertion in model container [2020-10-26 20:40:08,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:40:07" (1/1) ... [2020-10-26 20:40:08,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:40:08,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:40:08,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:40:08,512 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:40:08,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:40:08,801 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:40:08,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08 WrapperNode [2020-10-26 20:40:08,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:40:08,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:40:08,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:40:08,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:40:08,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (1/1) ... [2020-10-26 20:40:08,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:40:08,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:40:08,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:40:08,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:40:08,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (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 [2020-10-26 20:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:40:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:40:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:40:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:40:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:40:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:40:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:40:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:40:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:40:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:40:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:40:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:40:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:40:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:40:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:40:10,296 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:40:10,296 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:40:10,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:40:10 BoogieIcfgContainer [2020-10-26 20:40:10,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:40:10,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:40:10,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:40:10,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:40:10,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:40:07" (1/3) ... [2020-10-26 20:40:10,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb31f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:40:10, skipping insertion in model container [2020-10-26 20:40:10,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:08" (2/3) ... [2020-10-26 20:40:10,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb31f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:40:10, skipping insertion in model container [2020-10-26 20:40:10,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:40:10" (3/3) ... [2020-10-26 20:40:10,316 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2020-10-26 20:40:10,329 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:40:10,335 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:40:10,351 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:40:10,402 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:40:10,402 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:40:10,402 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:40:10,402 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:40:10,402 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:40:10,403 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:40:10,403 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:40:10,403 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:40:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:40:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-26 20:40:10,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:10,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:10,446 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:10,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:10,453 INFO L82 PathProgramCache]: Analyzing trace with hash -226867307, now seen corresponding path program 1 times [2020-10-26 20:40:10,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:10,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490062505] [2020-10-26 20:40:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:11,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:12,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-26 20:40:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1912 [2020-10-26 20:40:12,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 20:40:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-26 20:40:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:40:13,315 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:40:13,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:13,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:13,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:13,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:13,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-26 20:40:13,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:13,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:40:13,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490062505] [2020-10-26 20:40:13,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:40:13,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-26 20:40:13,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085120590] [2020-10-26 20:40:13,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 20:40:13,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:13,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 20:40:13,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:40:13,623 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-26 20:40:13,984 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:40:14,143 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:40:14,306 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-26 20:40:14,672 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-10-26 20:40:15,072 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-10-26 20:40:15,804 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-26 20:40:16,433 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-10-26 20:40:17,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:17,768 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-26 20:40:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 20:40:17,772 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2020-10-26 20:40:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:17,801 INFO L225 Difference]: With dead ends: 541 [2020-10-26 20:40:17,802 INFO L226 Difference]: Without dead ends: 237 [2020-10-26 20:40:17,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-26 20:40:17,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-26 20:40:17,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-26 20:40:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-26 20:40:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-26 20:40:17,932 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 132 [2020-10-26 20:40:17,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:17,932 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-26 20:40:17,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 20:40:17,933 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-26 20:40:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-26 20:40:17,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:17,937 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:17,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:40:17,938 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:17,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:17,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1232029748, now seen corresponding path program 1 times [2020-10-26 20:40:17,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:17,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467004680] [2020-10-26 20:40:17,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:18,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:18,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:18,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-26 20:40:20,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:40:20,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2040 [2020-10-26 20:40:20,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:40:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-26 20:40:20,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:20,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:20,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:40:20,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-26 20:40:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:20,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:40:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 20:40:20,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:40:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:40:20,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467004680] [2020-10-26 20:40:20,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:20,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:40:20,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481854428] [2020-10-26 20:40:20,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:20,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:20,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:20,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:20,620 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 7 states. [2020-10-26 20:40:21,118 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-26 20:40:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:23,344 INFO L93 Difference]: Finished difference Result 789 states and 1148 transitions. [2020-10-26 20:40:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:40:23,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-10-26 20:40:23,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:23,352 INFO L225 Difference]: With dead ends: 789 [2020-10-26 20:40:23,352 INFO L226 Difference]: Without dead ends: 561 [2020-10-26 20:40:23,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-26 20:40:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-26 20:40:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 547. [2020-10-26 20:40:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-26 20:40:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 786 transitions. [2020-10-26 20:40:23,406 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 786 transitions. Word has length 141 [2020-10-26 20:40:23,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:23,407 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 786 transitions. [2020-10-26 20:40:23,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 786 transitions. [2020-10-26 20:40:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-26 20:40:23,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:23,412 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:23,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:40:23,412 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:23,413 INFO L82 PathProgramCache]: Analyzing trace with hash -410580632, now seen corresponding path program 1 times [2020-10-26 20:40:23,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:23,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358192870] [2020-10-26 20:40:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:23,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:24,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:24,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:25,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-26 20:40:25,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:40:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1746 [2020-10-26 20:40:25,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 20:40:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-26 20:40:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:25,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 20:40:25,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:25,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:25,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:25,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:40:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:40:25,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:40:25,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:40:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:25,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:25,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:40:25,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 20:40:25,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:40:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-26 20:40:25,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358192870] [2020-10-26 20:40:25,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:25,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:40:25,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342191717] [2020-10-26 20:40:25,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:25,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:25,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:25,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:25,630 INFO L87 Difference]: Start difference. First operand 547 states and 786 transitions. Second operand 7 states. [2020-10-26 20:40:27,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:27,211 INFO L93 Difference]: Finished difference Result 1549 states and 2304 transitions. [2020-10-26 20:40:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:40:27,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 149 [2020-10-26 20:40:27,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:27,220 INFO L225 Difference]: With dead ends: 1549 [2020-10-26 20:40:27,220 INFO L226 Difference]: Without dead ends: 1008 [2020-10-26 20:40:27,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:40:27,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-10-26 20:40:27,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 998. [2020-10-26 20:40:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-10-26 20:40:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1415 transitions. [2020-10-26 20:40:27,283 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1415 transitions. Word has length 149 [2020-10-26 20:40:27,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:27,284 INFO L481 AbstractCegarLoop]: Abstraction has 998 states and 1415 transitions. [2020-10-26 20:40:27,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:27,284 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1415 transitions. [2020-10-26 20:40:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-26 20:40:27,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:27,290 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:27,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:40:27,291 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:27,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:27,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1873845258, now seen corresponding path program 1 times [2020-10-26 20:40:27,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:27,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703936031] [2020-10-26 20:40:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:27,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:27,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:30,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-26 20:40:30,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:40:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3286 [2020-10-26 20:40:30,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 20:40:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-26 20:40:30,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:30,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:30,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:30,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 20:40:30,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:30,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:30,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:40:30,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:40:30,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:40:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:40:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:30,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:40:30,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:30,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 20:40:30,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:40:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-26 20:40:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:30,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:30,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-26 20:40:30,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 20:40:30,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-26 20:40:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-26 20:40:31,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703936031] [2020-10-26 20:40:31,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:31,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:31,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792840337] [2020-10-26 20:40:31,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:40:31,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:31,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:40:31,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:40:31,070 INFO L87 Difference]: Start difference. First operand 998 states and 1415 transitions. Second operand 8 states. [2020-10-26 20:40:33,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:33,056 INFO L93 Difference]: Finished difference Result 2910 states and 4335 transitions. [2020-10-26 20:40:33,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:40:33,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-10-26 20:40:33,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:33,075 INFO L225 Difference]: With dead ends: 2910 [2020-10-26 20:40:33,075 INFO L226 Difference]: Without dead ends: 1918 [2020-10-26 20:40:33,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:40:33,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2020-10-26 20:40:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1735. [2020-10-26 20:40:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2020-10-26 20:40:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2455 transitions. [2020-10-26 20:40:33,201 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2455 transitions. Word has length 182 [2020-10-26 20:40:33,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:33,201 INFO L481 AbstractCegarLoop]: Abstraction has 1735 states and 2455 transitions. [2020-10-26 20:40:33,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:40:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2455 transitions. [2020-10-26 20:40:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-26 20:40:33,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:33,209 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 20:40:33,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:40:33,210 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:33,210 INFO L82 PathProgramCache]: Analyzing trace with hash -459219284, now seen corresponding path program 1 times [2020-10-26 20:40:33,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:33,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556568197] [2020-10-26 20:40:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:33,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:33,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:34,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:36,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:38,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-26 20:40:38,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-26 20:40:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-26 20:40:38,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:40:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 20:40:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:38,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:38,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:38,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:38,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:38,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:38,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 20:40:38,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:38,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:38,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:40:38,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:38,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 20:40:38,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:38,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:38,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:40:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:40:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:38,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:38,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:38,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:40:38,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 20:40:38,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:38,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:38,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:38,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 20:40:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:38,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-26 20:40:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:38,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:38,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:38,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-26 20:40:38,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 20:40:38,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-26 20:40:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 50 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:40:38,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556568197] [2020-10-26 20:40:38,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:38,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:40:38,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73103942] [2020-10-26 20:40:38,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:40:38,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:38,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:40:38,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:40:38,700 INFO L87 Difference]: Start difference. First operand 1735 states and 2455 transitions. Second operand 8 states. [2020-10-26 20:40:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:42,900 INFO L93 Difference]: Finished difference Result 5439 states and 7883 transitions. [2020-10-26 20:40:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-26 20:40:42,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2020-10-26 20:40:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:42,926 INFO L225 Difference]: With dead ends: 5439 [2020-10-26 20:40:42,926 INFO L226 Difference]: Without dead ends: 3710 [2020-10-26 20:40:42,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-26 20:40:42,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2020-10-26 20:40:43,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3531. [2020-10-26 20:40:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3531 states. [2020-10-26 20:40:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 3531 states and 4615 transitions. [2020-10-26 20:40:43,067 INFO L78 Accepts]: Start accepts. Automaton has 3531 states and 4615 transitions. Word has length 184 [2020-10-26 20:40:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:43,068 INFO L481 AbstractCegarLoop]: Abstraction has 3531 states and 4615 transitions. [2020-10-26 20:40:43,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:40:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3531 states and 4615 transitions. [2020-10-26 20:40:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-26 20:40:43,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:43,081 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:40:43,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:40:43,081 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:43,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1316313154, now seen corresponding path program 1 times [2020-10-26 20:40:43,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:43,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045803248] [2020-10-26 20:40:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:43,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:43,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:43,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:44,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-26 20:40:44,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:40:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1408 [2020-10-26 20:40:44,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:40:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-26 20:40:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:44,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:44,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:44,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:40:44,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:44,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:44,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:44,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:40:44,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:40:44,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:44,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:40:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:44,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:40:44,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:44,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 20:40:44,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:44,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:40:44,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:44,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:40:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:44,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:44,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:40:44,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-26 20:40:44,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:40:44,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:40:44,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045803248] [2020-10-26 20:40:44,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:44,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:44,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264120580] [2020-10-26 20:40:44,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:44,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:44,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:44,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:44,856 INFO L87 Difference]: Start difference. First operand 3531 states and 4615 transitions. Second operand 7 states. [2020-10-26 20:40:46,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:46,818 INFO L93 Difference]: Finished difference Result 7897 states and 10729 transitions. [2020-10-26 20:40:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 20:40:46,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-26 20:40:46,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:46,841 INFO L225 Difference]: With dead ends: 7897 [2020-10-26 20:40:46,842 INFO L226 Difference]: Without dead ends: 3460 [2020-10-26 20:40:46,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:40:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2020-10-26 20:40:46,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3242. [2020-10-26 20:40:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3242 states. [2020-10-26 20:40:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 3869 transitions. [2020-10-26 20:40:46,988 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 3869 transitions. Word has length 197 [2020-10-26 20:40:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:46,989 INFO L481 AbstractCegarLoop]: Abstraction has 3242 states and 3869 transitions. [2020-10-26 20:40:46,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 3869 transitions. [2020-10-26 20:40:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-26 20:40:47,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:47,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:40:47,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:40:47,001 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:47,001 INFO L82 PathProgramCache]: Analyzing trace with hash -952771171, now seen corresponding path program 1 times [2020-10-26 20:40:47,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:47,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955541781] [2020-10-26 20:40:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:47,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:47,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:48,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:48,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-26 20:40:48,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:40:48,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-10-26 20:40:48,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:40:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 20:40:48,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:48,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:48,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:48,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:48,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:48,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:40:48,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:48,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:48,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:48,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:40:48,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 20:40:48,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:48,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:48,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:48,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:40:48,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:48,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:40:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:48,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:48,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 20:40:48,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-26 20:40:48,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 20:40:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:40:48,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955541781] [2020-10-26 20:40:48,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:48,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:40:48,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941433678] [2020-10-26 20:40:48,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:40:48,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:48,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:40:48,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:40:48,916 INFO L87 Difference]: Start difference. First operand 3242 states and 3869 transitions. Second operand 8 states. [2020-10-26 20:40:51,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:51,271 INFO L93 Difference]: Finished difference Result 8418 states and 10188 transitions. [2020-10-26 20:40:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 20:40:51,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-26 20:40:51,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:51,300 INFO L225 Difference]: With dead ends: 8418 [2020-10-26 20:40:51,300 INFO L226 Difference]: Without dead ends: 5182 [2020-10-26 20:40:51,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-26 20:40:51,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5182 states. [2020-10-26 20:40:51,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5182 to 5158. [2020-10-26 20:40:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5158 states. [2020-10-26 20:40:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 5158 states and 5986 transitions. [2020-10-26 20:40:51,471 INFO L78 Accepts]: Start accepts. Automaton has 5158 states and 5986 transitions. Word has length 217 [2020-10-26 20:40:51,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:51,472 INFO L481 AbstractCegarLoop]: Abstraction has 5158 states and 5986 transitions. [2020-10-26 20:40:51,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:40:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5158 states and 5986 transitions. [2020-10-26 20:40:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-26 20:40:51,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:51,488 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:40:51,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:40:51,488 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:51,489 INFO L82 PathProgramCache]: Analyzing trace with hash -413258039, now seen corresponding path program 1 times [2020-10-26 20:40:51,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:51,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275471261] [2020-10-26 20:40:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:51,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:53,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:54,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:54,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:54,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3225 [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-26 20:40:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:55,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:55,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:55,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:40:55,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:55,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:55,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:55,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:55,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:40:55,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:40:55,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:55,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:40:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:55,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:55,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:40:55,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:55,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:40:55,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:40:55,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:55,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:40:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:55,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:55,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-26 20:40:55,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-26 20:40:55,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-26 20:40:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 64 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:40:55,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275471261] [2020-10-26 20:40:55,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:55,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-26 20:40:55,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125734707] [2020-10-26 20:40:55,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 20:40:55,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:55,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 20:40:55,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:40:55,635 INFO L87 Difference]: Start difference. First operand 5158 states and 5986 transitions. Second operand 9 states. [2020-10-26 20:40:56,264 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-26 20:40:58,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:58,400 INFO L93 Difference]: Finished difference Result 11465 states and 13268 transitions. [2020-10-26 20:40:58,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:40:58,401 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2020-10-26 20:40:58,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:58,431 INFO L225 Difference]: With dead ends: 11465 [2020-10-26 20:40:58,431 INFO L226 Difference]: Without dead ends: 6021 [2020-10-26 20:40:58,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:40:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6021 states. [2020-10-26 20:40:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6021 to 6013. [2020-10-26 20:40:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6013 states. [2020-10-26 20:40:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 6825 transitions. [2020-10-26 20:40:58,657 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 6825 transitions. Word has length 221 [2020-10-26 20:40:58,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:58,657 INFO L481 AbstractCegarLoop]: Abstraction has 6013 states and 6825 transitions. [2020-10-26 20:40:58,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 20:40:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 6825 transitions. [2020-10-26 20:40:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-26 20:40:58,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:58,676 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:40:58,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 20:40:58,676 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:58,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:58,677 INFO L82 PathProgramCache]: Analyzing trace with hash -550588068, now seen corresponding path program 1 times [2020-10-26 20:40:58,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:58,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609632272] [2020-10-26 20:40:58,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:58,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:01,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-26 20:41:01,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:41:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2799 [2020-10-26 20:41:01,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-26 20:41:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 20:41:01,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:01,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:01,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:41:01,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:01,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:01,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:01,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:01,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-26 20:41:01,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-26 20:41:01,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:01,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:01,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-26 20:41:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:01,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:01,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:41:01,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:41:01,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-26 20:41:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:01,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-26 20:41:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:01,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 20:41:01,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-26 20:41:01,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 20:41:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-26 20:41:02,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609632272] [2020-10-26 20:41:02,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:02,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:41:02,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201520721] [2020-10-26 20:41:02,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:41:02,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:02,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:41:02,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:41:02,014 INFO L87 Difference]: Start difference. First operand 6013 states and 6825 transitions. Second operand 7 states. [2020-10-26 20:41:02,255 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 20:41:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:04,222 INFO L93 Difference]: Finished difference Result 12197 states and 13850 transitions. [2020-10-26 20:41:04,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:41:04,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-10-26 20:41:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:04,250 INFO L225 Difference]: With dead ends: 12197 [2020-10-26 20:41:04,250 INFO L226 Difference]: Without dead ends: 6018 [2020-10-26 20:41:04,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:41:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6018 states. [2020-10-26 20:41:04,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6018 to 5866. [2020-10-26 20:41:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5866 states. [2020-10-26 20:41:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5866 states to 5866 states and 6451 transitions. [2020-10-26 20:41:04,424 INFO L78 Accepts]: Start accepts. Automaton has 5866 states and 6451 transitions. Word has length 251 [2020-10-26 20:41:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:04,425 INFO L481 AbstractCegarLoop]: Abstraction has 5866 states and 6451 transitions. [2020-10-26 20:41:04,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:41:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 5866 states and 6451 transitions. [2020-10-26 20:41:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-26 20:41:04,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:04,445 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:04,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 20:41:04,445 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:04,446 INFO L82 PathProgramCache]: Analyzing trace with hash -175569423, now seen corresponding path program 1 times [2020-10-26 20:41:04,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:04,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039790103] [2020-10-26 20:41:04,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:04,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:04,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:04,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-26 20:41:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-26 20:41:09,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 20:41:09,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-26 20:41:09,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-26 20:41:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 20:41:09,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-26 20:41:09,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 20:41:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-26 20:41:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-26 20:41:09,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 20:41:09,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-26 20:41:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:09,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-26 20:41:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 200 proven. 61 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-26 20:41:10,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039790103] [2020-10-26 20:41:10,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:10,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:41:10,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143536715] [2020-10-26 20:41:10,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:41:10,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:10,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:41:10,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:41:10,013 INFO L87 Difference]: Start difference. First operand 5866 states and 6451 transitions. Second operand 8 states. [2020-10-26 20:41:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:12,222 INFO L93 Difference]: Finished difference Result 9545 states and 10481 transitions. [2020-10-26 20:41:12,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:41:12,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 306 [2020-10-26 20:41:12,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:12,242 INFO L225 Difference]: With dead ends: 9545 [2020-10-26 20:41:12,242 INFO L226 Difference]: Without dead ends: 4846 [2020-10-26 20:41:12,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:41:12,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2020-10-26 20:41:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 3390. [2020-10-26 20:41:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-10-26 20:41:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 3682 transitions. [2020-10-26 20:41:12,348 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 3682 transitions. Word has length 306 [2020-10-26 20:41:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:12,348 INFO L481 AbstractCegarLoop]: Abstraction has 3390 states and 3682 transitions. [2020-10-26 20:41:12,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:41:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3682 transitions. [2020-10-26 20:41:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-26 20:41:12,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:12,367 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:12,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 20:41:12,367 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:12,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:12,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1839168533, now seen corresponding path program 1 times [2020-10-26 20:41:12,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:12,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854670328] [2020-10-26 20:41:12,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:12,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 20:41:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 20:41:17,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:17,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:17,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-26 20:41:17,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:17,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:41:17,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:41:17,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-26 20:41:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-26 20:41:17,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 20:41:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-26 20:41:17,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:17,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:41:17,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:41:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-26 20:41:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:17,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-26 20:41:17,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 20:41:17,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-26 20:41:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:17,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-26 20:41:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:17,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:17,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:17,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:41:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:41:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-26 20:41:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 233 proven. 95 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2020-10-26 20:41:17,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854670328] [2020-10-26 20:41:17,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:17,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:41:17,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497218030] [2020-10-26 20:41:17,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:41:17,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:17,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:41:17,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:41:17,927 INFO L87 Difference]: Start difference. First operand 3390 states and 3682 transitions. Second operand 8 states. [2020-10-26 20:41:20,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:20,406 INFO L93 Difference]: Finished difference Result 7216 states and 7832 transitions. [2020-10-26 20:41:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 20:41:20,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 339 [2020-10-26 20:41:20,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:20,408 INFO L225 Difference]: With dead ends: 7216 [2020-10-26 20:41:20,408 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:41:20,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-26 20:41:20,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:41:20,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:41:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:41:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:41:20,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 339 [2020-10-26 20:41:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:20,422 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:41:20,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:41:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:41:20,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:41:20,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 20:41:20,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:41:21,706 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-10-26 20:41:22,023 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 211 [2020-10-26 20:41:22,301 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-10-26 20:41:25,595 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 277 DAG size of output: 114 [2020-10-26 20:41:26,719 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 177 DAG size of output: 72 [2020-10-26 20:41:27,773 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 188 DAG size of output: 72 [2020-10-26 20:41:28,544 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2020-10-26 20:41:28,549 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:41:28,550 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:41:28,550 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:41:28,550 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:41:28,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:41:28,551 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-26 20:41:28,551 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:41:28,551 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:41:28,551 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:41:28,551 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:41:28,552 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:41:28,553 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:41:28,554 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:41:28,555 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:41:28,556 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:41:28,557 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,558 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:41:28,559 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:41:28,560 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:41:28,561 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,562 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L270 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a25~0)| 1))) (.cse5 (not (<= 1 |old(~a25~0)|))) (.cse6 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse3 (not (<= |old(~a28~0)| 9))) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse9 (not (<= |old(~a28~0)| 8))) (.cse8 (not (= 0 |old(~a11~0)|))) (.cse10 (not (= 7 |old(~a17~0)|))) (.cse11 (not (= 0 |old(~a19~0)|))) (.cse12 (not (= ~a21~0 1))) (.cse13 (not (= |old(~a11~0)| 1))) (.cse7 (not (= 10 |old(~a28~0)|))) (.cse0 (not (= |old(~a19~0)| 1))) (.cse2 (and (not (<= (+ |old(~a11~0)| 1) |old(~a25~0)|)) (not (<= (+ |old(~a25~0)| 1) |old(~a11~0)|)) (not (<= |old(~a25~0)| 0))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 (not (<= 9 |old(~a28~0)|)) .cse6) (or .cse4 .cse7 .cse8 .cse5) (or .cse8 (not (<= 11 |old(~a28~0)|)) .cse6) (or .cse8 .cse3 .cse6) (or (= 8 |old(~a28~0)|) .cse4 .cse0 .cse3 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse3) (or .cse9 .cse1 .cse2) (or .cse4 .cse0 .cse8 .cse5) (or .cse4 .cse7 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse2 .cse5) (or .cse10 .cse11 .cse12 .cse13 .cse6) (or .cse0 .cse8 .cse3) (or .cse7 .cse0 .cse1) (or .cse9 .cse8) (or .cse7 .cse10 .cse11 .cse12 .cse13) (or .cse7 .cse0 .cse2))) [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:41:28,563 INFO L274 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,564 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,565 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:41:28,566 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse23 (= ~a28~0 |old(~a28~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a25~0 |old(~a25~0)|)) (.cse17 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (not (<= |old(~a28~0)| 8))) (.cse19 (<= 9 ~a28~0)) (.cse20 (<= ~a28~0 9)) (.cse22 (not (<= 9 |old(~a28~0)|))) (.cse26 (= ~a19~0 0)) (.cse25 (not (= 7 |old(~a17~0)|))) (.cse27 (not (= 0 |old(~a19~0)|))) (.cse28 (not (= ~a21~0 1))) (.cse29 (not (= |old(~a11~0)| 1))) (.cse0 (and .cse23 .cse13 .cse14 .cse7 .cse17)) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse21 (not (<= |old(~a28~0)| 9))) (.cse5 (= ~a25~0 ~a11~0)) (.cse11 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse6 (= ~a19~0 1)) (.cse4 (not (= |old(~a19~0)| 1))) (.cse15 (<= 1 ~a25~0)) (.cse8 (= ~a17~0 8)) (.cse16 (<= ~a25~0 1)) (.cse9 (= ~a28~0 10)) (.cse12 (not (<= |old(~a25~0)| 1))) (.cse3 (not (= 10 |old(~a28~0)|))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse24 (and (not (<= (+ |old(~a11~0)| 1) |old(~a25~0)|)) (not (<= (+ |old(~a25~0)| 1) |old(~a11~0)|)) (not (<= |old(~a25~0)| 0)))) (.cse18 (not (<= 1 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11) (or .cse12 .cse3 .cse2 (and .cse13 .cse14 .cse15 .cse16 .cse17 .cse9) .cse18) (or .cse12 (and .cse5 .cse13 .cse19 .cse15 .cse20 .cse16 .cse17) .cse21 .cse18 .cse22 .cse11) (or (and .cse23 .cse14 .cse7 .cse8 .cse17) .cse1 .cse10 .cse24) (or .cse4 .cse10 .cse24 .cse21 (and .cse14 .cse19 .cse6 .cse7 .cse8 .cse20) .cse22) (or .cse2 (and .cse5 .cse13 .cse19 .cse7 .cse20 .cse17) .cse21 .cse22 .cse11) (or .cse4 .cse0 .cse2 .cse21) (or .cse25 (and .cse23 .cse5 .cse26 .cse13 .cse7) .cse27 .cse28 .cse29 .cse11) (or .cse2 (not (<= 11 |old(~a28~0)|)) (and .cse23 .cse5 .cse13 .cse7 .cse17) .cse11) (or (and .cse26 .cse13 .cse14 .cse7 .cse9) .cse3 .cse25 .cse27 .cse28 .cse29) (or (= 8 |old(~a28~0)|) .cse12 .cse4 .cse21 (and .cse23 .cse5 .cse13 .cse6 .cse15 .cse16) .cse18 .cse11) (or .cse0 (and (or .cse12 .cse4 .cse10 .cse24 .cse18) (or .cse12 .cse4 .cse2 .cse18))) (or .cse12 .cse4 .cse10 .cse21 (and .cse23 .cse5 .cse6 .cse15 .cse8 .cse16) .cse18 .cse11) (or (and .cse13 .cse14 .cse6 .cse7 .cse9) .cse3 .cse4 .cse24) (or (and .cse14 .cse15 .cse8 .cse16 .cse17 .cse9) .cse12 .cse3 .cse10 .cse24 .cse18)))) [2020-10-26 20:41:28,566 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,567 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:41:28,568 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,569 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:41:28,570 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:41:28,571 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:41:28,572 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:41:28,572 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:41:28,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:41:28,572 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-26 20:41:28,572 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:41:28,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:41:28,572 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse8 (= ~a25~0 ~a11~0)) (.cse5 (<= 1 ~a25~0)) (.cse6 (<= ~a25~0 1)) (.cse2 (= ~a19~0 1)) (.cse1 (= ~a11~0 0)) (.cse12 (<= ~a28~0 9)) (.cse7 (= ~a19~0 0)) (.cse9 (= 7 ~a17~0)) (.cse10 (= ~a11~0 1)) (.cse4 (= ~a28~0 10)) (.cse11 (= ~a17~0 8)) (.cse0 (<= ~a28~0 8)) (.cse3 (or (<= (+ ~a11~0 1) ~a25~0) (<= (+ ~a25~0 1) ~a11~0) (<= ~a25~0 0)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse2 .cse5 .cse1 .cse6) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse8 .cse9 .cse10) (and .cse2 .cse11 .cse12 .cse3) (and .cse2 .cse5 .cse11 .cse3 .cse6) (and .cse8 (<= 11 ~a28~0) .cse1) (and .cse8 .cse1 .cse12) (and .cse2 .cse11 .cse4) (and .cse2 .cse11 .cse12 .cse6) (and .cse8 .cse2 (not (= ~a28~0 8)) .cse5 .cse12 .cse6) (and .cse5 .cse1 .cse6 .cse4) (and .cse8 (<= 9 ~a28~0) .cse5 .cse12 .cse6) (and .cse5 .cse11 .cse3 .cse6 .cse4) (and .cse2 .cse1 .cse12) (not (= ~a21~0 1)) (and .cse7 .cse9 .cse10 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse11 .cse0 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:41:28,573 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-26 20:41:28,573 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:41:28,573 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:41:28,573 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse8 (= ~a25~0 ~a11~0)) (.cse5 (<= 1 ~a25~0)) (.cse6 (<= ~a25~0 1)) (.cse2 (= ~a19~0 1)) (.cse1 (= ~a11~0 0)) (.cse12 (<= ~a28~0 9)) (.cse7 (= ~a19~0 0)) (.cse9 (= 7 ~a17~0)) (.cse10 (= ~a11~0 1)) (.cse4 (= ~a28~0 10)) (.cse11 (= ~a17~0 8)) (.cse0 (<= ~a28~0 8)) (.cse3 (or (<= (+ ~a11~0 1) ~a25~0) (<= (+ ~a25~0 1) ~a11~0) (<= ~a25~0 0)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse2 .cse5 .cse1 .cse6) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse8 .cse9 .cse10) (and .cse2 .cse11 .cse12 .cse3) (and .cse2 .cse5 .cse11 .cse3 .cse6) (and .cse8 (<= 11 ~a28~0) .cse1) (and .cse8 .cse1 .cse12) (and .cse2 .cse11 .cse4) (and .cse2 .cse11 .cse12 .cse6) (and .cse8 .cse2 (not (= ~a28~0 8)) .cse5 .cse12 .cse6) (and .cse5 .cse1 .cse6 .cse4) (and .cse8 (<= 9 ~a28~0) .cse5 .cse12 .cse6) (and .cse5 .cse11 .cse3 .cse6 .cse4) (and .cse2 .cse1 .cse12) (not (= ~a21~0 1)) (and .cse7 .cse9 .cse10 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse11 .cse0 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:41:28,573 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:41:28,573 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:41:28,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:41:28 BoogieIcfgContainer [2020-10-26 20:41:28,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:41:28,610 INFO L168 Benchmark]: Toolchain (without parser) took 80631.80 ms. Allocated memory was 153.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 126.7 MB in the beginning and 488.7 MB in the end (delta: -362.0 MB). Peak memory consumption was 737.7 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:28,610 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 153.1 MB. Free memory was 126.1 MB in the beginning and 126.0 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:41:28,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.29 ms. Allocated memory is still 153.1 MB. Free memory was 125.9 MB in the beginning and 132.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:28,615 INFO L168 Benchmark]: Boogie Preprocessor took 126.97 ms. Allocated memory is still 153.1 MB. Free memory was 132.7 MB in the beginning and 128.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:28,615 INFO L168 Benchmark]: RCFGBuilder took 1368.76 ms. Allocated memory was 153.1 MB in the beginning and 185.6 MB in the end (delta: 32.5 MB). Free memory was 128.0 MB in the beginning and 139.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:28,616 INFO L168 Benchmark]: TraceAbstraction took 78300.30 ms. Allocated memory was 185.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 138.8 MB in the beginning and 488.7 MB in the end (delta: -349.9 MB). Peak memory consumption was 717.0 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:28,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 153.1 MB. Free memory was 126.1 MB in the beginning and 126.0 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 813.29 ms. Allocated memory is still 153.1 MB. Free memory was 125.9 MB in the beginning and 132.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.97 ms. Allocated memory is still 153.1 MB. Free memory was 132.7 MB in the beginning and 128.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1368.76 ms. Allocated memory was 153.1 MB in the beginning and 185.6 MB in the end (delta: 32.5 MB). Free memory was 128.0 MB in the beginning and 139.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 78300.30 ms. Allocated memory was 185.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 138.8 MB in the beginning and 488.7 MB in the end (delta: -349.9 MB). Peak memory consumption was 717.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a28 <= 8 && a11 == 0) || ((a19 == 1 && ((a11 + 1 <= a25 || a25 + 1 <= a11) || a25 <= 0)) && a28 == 10)) || !(\old(a19) == 1)) || (((a19 == 1 && 1 <= a25) && a11 == 0) && a25 <= 1)) || !(8 == \old(a17))) || !(0 == \old(a25))) || (((a19 == 0 && a25 == a11) && 7 == a17) && a11 == 1)) || (((a19 == 1 && a17 == 8) && a28 <= 9) && ((a11 + 1 <= a25 || a25 + 1 <= a11) || a25 <= 0))) || ((((a19 == 1 && 1 <= a25) && a17 == 8) && ((a11 + 1 <= a25 || a25 + 1 <= a11) || a25 <= 0)) && a25 <= 1)) || ((a25 == a11 && 11 <= a28) && a11 == 0)) || ((a25 == a11 && a11 == 0) && a28 <= 9)) || ((a19 == 1 && a17 == 8) && a28 == 10)) || (((a19 == 1 && a17 == 8) && a28 <= 9) && a25 <= 1)) || (((((a25 == a11 && a19 == 1) && !(a28 == 8)) && 1 <= a25) && a28 <= 9) && a25 <= 1)) || (((1 <= a25 && a11 == 0) && a25 <= 1) && a28 == 10)) || ((((a25 == a11 && 9 <= a28) && 1 <= a25) && a28 <= 9) && a25 <= 1)) || ((((1 <= a25 && a17 == 8) && ((a11 + 1 <= a25 || a25 + 1 <= a11) || a25 <= 0)) && a25 <= 1) && a28 == 10)) || ((a19 == 1 && a11 == 0) && a28 <= 9)) || !(a21 == 1)) || (((a19 == 0 && 7 == a17) && a11 == 1) && a28 == 10)) || !(7 == \old(a28))) || ((a17 == 8 && a28 <= 8) && ((a11 + 1 <= a25 || a25 + 1 <= a11) || a25 <= 0))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.0s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 7736 SDslu, 730 SDs, 0 SdLazy, 12270 SolverSat, 1899 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6013occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 2247 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 495 PreInvPairs, 573 NumberOfFragments, 1732 HoareAnnotationTreeSize, 495 FomulaSimplifications, 69004 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10811 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 37.8s InterpolantComputationTime, 2319 NumberOfCodeBlocks, 2319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2308 ConstructedInterpolants, 0 QuantifiedInterpolants, 2413505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1315/1555 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...