/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:57:59,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:57:59,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:57:59,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:57:59,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:57:59,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:57:59,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:57:59,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:57:59,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:57:59,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:57:59,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:57:59,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:57:59,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:57:59,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:57:59,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:57:59,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:57:59,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:57:59,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:57:59,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:57:59,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:57:59,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:57:59,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:57:59,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:57:59,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:57:59,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:57:59,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:57:59,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:57:59,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:57:59,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:57:59,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:57:59,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:57:59,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:57:59,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:57:59,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:57:59,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:57:59,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:57:59,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:57:59,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:57:59,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:57:59,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:57:59,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:57:59,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 11:57:59,584 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:57:59,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:57:59,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:57:59,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:57:59,589 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:57:59,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:57:59,590 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:57:59,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:57:59,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:57:59,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:57:59,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:57:59,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:57:59,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:57:59,592 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:57:59,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:57:59,592 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:57:59,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:57:59,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:57:59,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:57:59,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:57:59,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:57:59,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:57:59,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:57:59,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:57:59,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:57:59,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:57:59,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:57:59,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:57:59,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:57:59,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:58:00,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:58:00,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:58:00,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:58:00,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:58:00,062 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:58:00,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label09.c [2020-10-28 11:58:00,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18363b927/dd197c14425d4fb3a5c65f2c9b4662c5/FLAGe5040b36a [2020-10-28 11:58:01,046 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:58:01,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label09.c [2020-10-28 11:58:01,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18363b927/dd197c14425d4fb3a5c65f2c9b4662c5/FLAGe5040b36a [2020-10-28 11:58:01,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18363b927/dd197c14425d4fb3a5c65f2c9b4662c5 [2020-10-28 11:58:01,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:58:01,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:58:01,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:01,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:58:01,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:58:01,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:01" (1/1) ... [2020-10-28 11:58:01,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529aa220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:01, skipping insertion in model container [2020-10-28 11:58:01,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:01" (1/1) ... [2020-10-28 11:58:01,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:58:01,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:58:01,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:01,877 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:58:02,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:02,079 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:58:02,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02 WrapperNode [2020-10-28 11:58:02,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:02,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:58:02,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:58:02,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:58:02,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:58:02,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:58:02,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:58:02,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:58:02,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:58:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:58:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:58:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:58:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:58:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:58:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:58:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:58:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:58:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:58:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:58:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:58:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:58:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:58:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:58:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:58:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:58:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:58:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:58:03,903 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:58:03,903 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:58:03,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:03 BoogieIcfgContainer [2020-10-28 11:58:03,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:58:03,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:58:03,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:58:03,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:58:03,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:01" (1/3) ... [2020-10-28 11:58:03,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f6e01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:03, skipping insertion in model container [2020-10-28 11:58:03,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (2/3) ... [2020-10-28 11:58:03,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f6e01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:03, skipping insertion in model container [2020-10-28 11:58:03,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:03" (3/3) ... [2020-10-28 11:58:03,919 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2020-10-28 11:58:03,932 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:58:03,938 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:58:03,952 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:58:03,980 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:58:03,980 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:58:03,981 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:58:03,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:58:03,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:58:03,981 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:58:03,981 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:58:03,981 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:58:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:58:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 11:58:04,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:04,018 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] [2020-10-28 11:58:04,018 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:04,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:04,026 INFO L82 PathProgramCache]: Analyzing trace with hash 950264858, now seen corresponding path program 1 times [2020-10-28 11:58:04,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:04,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418148549] [2020-10-28 11:58:04,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:04,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:04,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:04,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:04,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:04,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-28 11:58:04,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:04,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 11:58:04,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:05,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:05,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:05,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:05,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:05,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:05,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 11:58:05,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:05,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:05,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:05,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:05,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:05,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:05,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418148549] [2020-10-28 11:58:05,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:05,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:58:05,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065423335] [2020-10-28 11:58:05,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:58:05,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:05,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:58:05,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:58:05,228 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:58:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:07,313 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 11:58:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:07,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-10-28 11:58:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:07,331 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:58:07,331 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:58:07,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:58:07,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 11:58:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 11:58:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 11:58:07,420 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 63 [2020-10-28 11:58:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:07,421 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 11:58:07,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:58:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 11:58:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-28 11:58:07,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:07,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 11:58:07,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:58:07,429 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:07,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1217427735, now seen corresponding path program 1 times [2020-10-28 11:58:07,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:07,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109585987] [2020-10-28 11:58:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:07,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:07,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 11:58:08,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 971 [2020-10-28 11:58:08,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 11:58:08,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:08,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:08,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:58:08,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:58:08,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 11:58:08,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:08,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:08,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109585987] [2020-10-28 11:58:08,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:08,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:08,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781794929] [2020-10-28 11:58:08,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:08,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:08,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:08,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:08,875 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 11:58:10,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:10,510 INFO L93 Difference]: Finished difference Result 596 states and 804 transitions. [2020-10-28 11:58:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:10,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-28 11:58:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:10,524 INFO L225 Difference]: With dead ends: 596 [2020-10-28 11:58:10,525 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:58:10,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:10,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:58:10,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 444. [2020-10-28 11:58:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-28 11:58:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-10-28 11:58:10,561 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 133 [2020-10-28 11:58:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:10,562 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-10-28 11:58:10,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-10-28 11:58:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 11:58:10,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:10,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 11:58:10,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:58:10,567 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:10,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:10,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1734963433, now seen corresponding path program 1 times [2020-10-28 11:58:10,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:10,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553614744] [2020-10-28 11:58:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:10,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:10,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:12,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 11:58:12,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1805 [2020-10-28 11:58:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:12,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 11:58:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:12,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:12,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:12,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:12,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 11:58:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:12,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:12,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:12,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:12,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-28 11:58:12,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:12,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:12,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553614744] [2020-10-28 11:58:12,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:12,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:58:12,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336276763] [2020-10-28 11:58:12,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:12,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:12,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:12,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:12,819 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 7 states. [2020-10-28 11:58:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:14,876 INFO L93 Difference]: Finished difference Result 1198 states and 1703 transitions. [2020-10-28 11:58:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:14,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-10-28 11:58:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:14,887 INFO L225 Difference]: With dead ends: 1198 [2020-10-28 11:58:14,887 INFO L226 Difference]: Without dead ends: 760 [2020-10-28 11:58:14,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:14,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-28 11:58:14,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2020-10-28 11:58:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-28 11:58:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-10-28 11:58:14,931 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 136 [2020-10-28 11:58:14,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:14,932 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-10-28 11:58:14,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-10-28 11:58:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 11:58:14,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:14,936 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:14,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:58:14,936 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:14,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:14,937 INFO L82 PathProgramCache]: Analyzing trace with hash 288291637, now seen corresponding path program 1 times [2020-10-28 11:58:14,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:14,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639319879] [2020-10-28 11:58:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:14,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 11:58:15,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 11:58:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:15,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:15,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:15,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:15,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 11:58:15,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:15,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:15,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639319879] [2020-10-28 11:58:15,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:15,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:15,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742881816] [2020-10-28 11:58:15,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:15,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:15,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:15,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:15,759 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 5 states. [2020-10-28 11:58:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:17,550 INFO L93 Difference]: Finished difference Result 1778 states and 2368 transitions. [2020-10-28 11:58:17,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:17,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-28 11:58:17,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:17,558 INFO L225 Difference]: With dead ends: 1778 [2020-10-28 11:58:17,558 INFO L226 Difference]: Without dead ends: 1042 [2020-10-28 11:58:17,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:17,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-28 11:58:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1036. [2020-10-28 11:58:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2020-10-28 11:58:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1269 transitions. [2020-10-28 11:58:17,606 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1269 transitions. Word has length 142 [2020-10-28 11:58:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:17,607 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1269 transitions. [2020-10-28 11:58:17,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1269 transitions. [2020-10-28 11:58:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-28 11:58:17,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:17,612 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 11:58:17,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:58:17,613 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:17,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:17,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1862744444, now seen corresponding path program 1 times [2020-10-28 11:58:17,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:17,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702999223] [2020-10-28 11:58:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:18,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:19,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:19,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-28 11:58:19,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:19,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1667 [2020-10-28 11:58:19,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:19,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:19,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:19,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-28 11:58:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:19,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:19,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:19,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:19,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:19,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:19,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 11:58:19,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:19,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:19,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:19,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:19,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:19,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 11:58:19,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:19,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:19,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:19,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:19,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:19,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:19,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 11:58:19,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-28 11:58:19,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:19,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 11:58:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 120 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:20,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702999223] [2020-10-28 11:58:20,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:20,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 11:58:20,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338781272] [2020-10-28 11:58:20,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 11:58:20,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:20,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 11:58:20,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:20,058 INFO L87 Difference]: Start difference. First operand 1036 states and 1269 transitions. Second operand 6 states. [2020-10-28 11:58:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:22,071 INFO L93 Difference]: Finished difference Result 2952 states and 3699 transitions. [2020-10-28 11:58:22,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 11:58:22,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2020-10-28 11:58:22,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:22,088 INFO L225 Difference]: With dead ends: 2952 [2020-10-28 11:58:22,088 INFO L226 Difference]: Without dead ends: 1922 [2020-10-28 11:58:22,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:22,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2020-10-28 11:58:22,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1626. [2020-10-28 11:58:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1626 states. [2020-10-28 11:58:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 1949 transitions. [2020-10-28 11:58:22,181 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 1949 transitions. Word has length 223 [2020-10-28 11:58:22,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:22,182 INFO L481 AbstractCegarLoop]: Abstraction has 1626 states and 1949 transitions. [2020-10-28 11:58:22,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 11:58:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1949 transitions. [2020-10-28 11:58:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-28 11:58:22,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:22,189 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:22,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:58:22,189 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:22,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:22,190 INFO L82 PathProgramCache]: Analyzing trace with hash -2118035882, now seen corresponding path program 1 times [2020-10-28 11:58:22,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:22,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399400276] [2020-10-28 11:58:22,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:22,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:22,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 11:58:27,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 11:58:27,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 11:58:27,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 11:58:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-28 11:58:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:27,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:58:27,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:27,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:27,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:27,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:27,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 11:58:27,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:58:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:27,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 11:58:27,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-28 11:58:27,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-28 11:58:27,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399400276] [2020-10-28 11:58:27,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:27,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:27,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425198393] [2020-10-28 11:58:27,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:27,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:27,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:27,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:27,884 INFO L87 Difference]: Start difference. First operand 1626 states and 1949 transitions. Second operand 7 states. [2020-10-28 11:58:30,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:30,886 INFO L93 Difference]: Finished difference Result 4126 states and 5156 transitions. [2020-10-28 11:58:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:30,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-28 11:58:30,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:30,902 INFO L225 Difference]: With dead ends: 4126 [2020-10-28 11:58:30,902 INFO L226 Difference]: Without dead ends: 2506 [2020-10-28 11:58:30,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:58:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-10-28 11:58:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2357. [2020-10-28 11:58:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2357 states. [2020-10-28 11:58:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 2819 transitions. [2020-10-28 11:58:30,993 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 2819 transitions. Word has length 230 [2020-10-28 11:58:30,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:30,994 INFO L481 AbstractCegarLoop]: Abstraction has 2357 states and 2819 transitions. [2020-10-28 11:58:30,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2819 transitions. [2020-10-28 11:58:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-28 11:58:31,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:31,001 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:31,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:58:31,001 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:31,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:31,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1668145562, now seen corresponding path program 1 times [2020-10-28 11:58:31,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:31,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470597845] [2020-10-28 11:58:31,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:31,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-28 11:58:33,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2304 [2020-10-28 11:58:33,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:33,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:33,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 11:58:33,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:33,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:33,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:33,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:33,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 11:58:33,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:58:33,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:58:33,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:33,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:33,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 110 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:33,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470597845] [2020-10-28 11:58:33,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:33,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:33,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404313671] [2020-10-28 11:58:33,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:33,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:33,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:33,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:33,844 INFO L87 Difference]: Start difference. First operand 2357 states and 2819 transitions. Second operand 7 states. [2020-10-28 11:58:35,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:35,799 INFO L93 Difference]: Finished difference Result 5173 states and 6166 transitions. [2020-10-28 11:58:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:35,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-10-28 11:58:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:35,815 INFO L225 Difference]: With dead ends: 5173 [2020-10-28 11:58:35,816 INFO L226 Difference]: Without dead ends: 2677 [2020-10-28 11:58:35,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:35,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2020-10-28 11:58:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2373. [2020-10-28 11:58:35,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2373 states. [2020-10-28 11:58:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 2782 transitions. [2020-10-28 11:58:35,902 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 2782 transitions. Word has length 238 [2020-10-28 11:58:35,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:35,903 INFO L481 AbstractCegarLoop]: Abstraction has 2373 states and 2782 transitions. [2020-10-28 11:58:35,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 2782 transitions. [2020-10-28 11:58:35,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-28 11:58:35,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:35,912 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:35,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:58:35,912 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:35,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:35,913 INFO L82 PathProgramCache]: Analyzing trace with hash 965516173, now seen corresponding path program 1 times [2020-10-28 11:58:35,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:35,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490439488] [2020-10-28 11:58:35,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-28 11:58:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 11:58:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 11:58:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:40,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 11:58:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:41,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 11:58:41,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:41,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 11:58:41,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:41,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:41,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 11:58:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 11:58:41,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:58:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 11:58:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:41,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 11:58:41,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:41,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 304 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 11:58:41,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490439488] [2020-10-28 11:58:41,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:41,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:41,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834753897] [2020-10-28 11:58:41,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:41,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:41,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:41,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:41,976 INFO L87 Difference]: Start difference. First operand 2373 states and 2782 transitions. Second operand 7 states. [2020-10-28 11:58:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:44,098 INFO L93 Difference]: Finished difference Result 4917 states and 5836 transitions. [2020-10-28 11:58:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:44,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-28 11:58:44,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:44,117 INFO L225 Difference]: With dead ends: 4917 [2020-10-28 11:58:44,117 INFO L226 Difference]: Without dead ends: 2693 [2020-10-28 11:58:44,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2020-10-28 11:58:44,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2681. [2020-10-28 11:58:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2681 states. [2020-10-28 11:58:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3126 transitions. [2020-10-28 11:58:44,201 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3126 transitions. Word has length 287 [2020-10-28 11:58:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:44,201 INFO L481 AbstractCegarLoop]: Abstraction has 2681 states and 3126 transitions. [2020-10-28 11:58:44,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3126 transitions. [2020-10-28 11:58:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-28 11:58:44,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:44,211 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:44,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:58:44,212 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:44,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:44,212 INFO L82 PathProgramCache]: Analyzing trace with hash 874713405, now seen corresponding path program 1 times [2020-10-28 11:58:44,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:44,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713305220] [2020-10-28 11:58:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:44,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:45,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:47,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:49,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-28 11:58:49,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 11:58:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-28 11:58:49,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:49,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:49,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:49,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:49,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 11:58:49,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:49,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:49,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 11:58:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:49,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 11:58:49,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 11:58:49,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:49,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 11:58:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:49,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-28 11:58:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:49,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 11:58:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:49,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 11:58:49,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713305220] [2020-10-28 11:58:49,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:49,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:49,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182978428] [2020-10-28 11:58:49,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:49,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:49,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:49,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:49,859 INFO L87 Difference]: Start difference. First operand 2681 states and 3126 transitions. Second operand 7 states. [2020-10-28 11:58:52,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:52,586 INFO L93 Difference]: Finished difference Result 6941 states and 8164 transitions. [2020-10-28 11:58:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:58:52,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 300 [2020-10-28 11:58:52,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:52,610 INFO L225 Difference]: With dead ends: 6941 [2020-10-28 11:58:52,610 INFO L226 Difference]: Without dead ends: 3388 [2020-10-28 11:58:52,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:52,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2020-10-28 11:58:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2671. [2020-10-28 11:58:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2020-10-28 11:58:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 2984 transitions. [2020-10-28 11:58:52,707 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 2984 transitions. Word has length 300 [2020-10-28 11:58:52,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:52,707 INFO L481 AbstractCegarLoop]: Abstraction has 2671 states and 2984 transitions. [2020-10-28 11:58:52,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 2984 transitions. [2020-10-28 11:58:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-28 11:58:52,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:52,718 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-28 11:58:52,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:58:52,719 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:52,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1770247113, now seen corresponding path program 1 times [2020-10-28 11:58:52,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:52,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190073463] [2020-10-28 11:58:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:53,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-28 11:58:55,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:55,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2395 [2020-10-28 11:58:55,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 11:58:55,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 11:58:55,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:58:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:55,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 11:58:55,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:55,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 11:58:55,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:58:55,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 11:58:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 11:58:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 11:58:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 236 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 11:58:55,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190073463] [2020-10-28 11:58:55,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:55,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:55,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955160057] [2020-10-28 11:58:55,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:55,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:55,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:55,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:55,780 INFO L87 Difference]: Start difference. First operand 2671 states and 2984 transitions. Second operand 7 states. [2020-10-28 11:58:57,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:57,831 INFO L93 Difference]: Finished difference Result 5205 states and 5834 transitions. [2020-10-28 11:58:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:57,832 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 308 [2020-10-28 11:58:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:57,844 INFO L225 Difference]: With dead ends: 5205 [2020-10-28 11:58:57,845 INFO L226 Difference]: Without dead ends: 2683 [2020-10-28 11:58:57,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2020-10-28 11:58:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2526. [2020-10-28 11:58:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2526 states. [2020-10-28 11:58:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 2758 transitions. [2020-10-28 11:58:57,932 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 2758 transitions. Word has length 308 [2020-10-28 11:58:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:57,932 INFO L481 AbstractCegarLoop]: Abstraction has 2526 states and 2758 transitions. [2020-10-28 11:58:57,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2758 transitions. [2020-10-28 11:58:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-28 11:58:57,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:57,943 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:57,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 11:58:57,943 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:57,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:57,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1839505147, now seen corresponding path program 1 times [2020-10-28 11:58:57,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:57,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11696742] [2020-10-28 11:58:57,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:00,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-28 11:59:00,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2058 [2020-10-28 11:59:00,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:00,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 11:59:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 11:59:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:00,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:00,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:00,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:00,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:00,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 11:59:00,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:00,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:00,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:00,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:00,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:00,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:00,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:00,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 11:59:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 11:59:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:00,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:59:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 310 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-28 11:59:00,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11696742] [2020-10-28 11:59:00,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:00,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:59:00,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639808929] [2020-10-28 11:59:00,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:59:00,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:00,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:59:00,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:59:00,716 INFO L87 Difference]: Start difference. First operand 2526 states and 2758 transitions. Second operand 8 states. [2020-10-28 11:59:02,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:02,944 INFO L93 Difference]: Finished difference Result 5208 states and 5719 transitions. [2020-10-28 11:59:02,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:02,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2020-10-28 11:59:02,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:02,958 INFO L225 Difference]: With dead ends: 5208 [2020-10-28 11:59:02,958 INFO L226 Difference]: Without dead ends: 2831 [2020-10-28 11:59:02,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:02,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2020-10-28 11:59:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2679. [2020-10-28 11:59:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-10-28 11:59:03,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 2928 transitions. [2020-10-28 11:59:03,044 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 2928 transitions. Word has length 336 [2020-10-28 11:59:03,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:03,045 INFO L481 AbstractCegarLoop]: Abstraction has 2679 states and 2928 transitions. [2020-10-28 11:59:03,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:59:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 2928 transitions. [2020-10-28 11:59:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-28 11:59:03,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:03,056 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 11:59:03,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 11:59:03,056 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:03,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:03,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1015546919, now seen corresponding path program 1 times [2020-10-28 11:59:03,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:03,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607504165] [2020-10-28 11:59:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:03,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:04,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-28 11:59:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 11:59:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:08,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:08,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:08,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:08,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 11:59:08,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:08,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 11:59:08,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:08,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 11:59:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:08,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 11:59:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:08,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:08,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:08,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 11:59:08,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:08,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 11:59:08,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:08,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-28 11:59:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:08,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:08,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:59:08,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:08,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-28 11:59:08,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:08,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 306 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 11:59:08,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607504165] [2020-10-28 11:59:08,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:08,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:59:08,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245437050] [2020-10-28 11:59:08,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:59:08,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:08,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:59:08,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:59:08,840 INFO L87 Difference]: Start difference. First operand 2679 states and 2928 transitions. Second operand 8 states. [2020-10-28 11:59:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:11,615 INFO L93 Difference]: Finished difference Result 5644 states and 6231 transitions. [2020-10-28 11:59:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:11,616 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 345 [2020-10-28 11:59:11,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:11,631 INFO L225 Difference]: With dead ends: 5644 [2020-10-28 11:59:11,631 INFO L226 Difference]: Without dead ends: 3114 [2020-10-28 11:59:11,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-28 11:59:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2020-10-28 11:59:11,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3110. [2020-10-28 11:59:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3110 states. [2020-10-28 11:59:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 3397 transitions. [2020-10-28 11:59:11,722 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 3397 transitions. Word has length 345 [2020-10-28 11:59:11,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:11,722 INFO L481 AbstractCegarLoop]: Abstraction has 3110 states and 3397 transitions. [2020-10-28 11:59:11,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:59:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3397 transitions. [2020-10-28 11:59:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-10-28 11:59:11,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:11,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:11,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 11:59:11,735 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:11,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:11,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1940174007, now seen corresponding path program 1 times [2020-10-28 11:59:11,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:11,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360434378] [2020-10-28 11:59:11,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:11,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 388 [2020-10-28 11:59:12,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-28 11:59:12,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:12,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-28 11:59:12,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 11:59:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:12,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:12,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:12,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:59:12,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 11:59:12,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:12,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-28 11:59:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:59:12,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 11:59:12,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 11:59:12,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-28 11:59:13,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360434378] [2020-10-28 11:59:13,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:13,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:13,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732133339] [2020-10-28 11:59:13,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:13,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:13,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:13,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:13,128 INFO L87 Difference]: Start difference. First operand 3110 states and 3397 transitions. Second operand 5 states. [2020-10-28 11:59:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:13,987 INFO L93 Difference]: Finished difference Result 3114 states and 3402 transitions. [2020-10-28 11:59:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:13,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 372 [2020-10-28 11:59:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:13,989 INFO L225 Difference]: With dead ends: 3114 [2020-10-28 11:59:13,989 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 11:59:14,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 11:59:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 11:59:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 11:59:14,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 11:59:14,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 372 [2020-10-28 11:59:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:14,003 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 11:59:14,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 11:59:14,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 11:59:14,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 11:59:14,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 11:59:14,352 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 161 [2020-10-28 11:59:15,370 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 161 [2020-10-28 11:59:16,055 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 37 [2020-10-28 11:59:17,079 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 229 DAG size of output: 43 [2020-10-28 11:59:17,492 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2020-10-28 11:59:18,086 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 37 [2020-10-28 11:59:18,091 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 11:59:18,092 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 11:59:18,092 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 11:59:18,092 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 11:59:18,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 11:59:18,093 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,094 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 11:59:18,095 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 11:59:18,096 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L270 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9)))) (and (or (not (<= |old(~a19~0)| 8)) (not (<= (+ |old(~a1~0)| 45442) 0))) (not (= |old(~a10~0)| 1)) (not (= 0 |old(~a10~0)|)) (or .cse0 (not (<= 3 |old(~a10~0)|))) (or (not (<= 7 |old(~a19~0)|)) .cse0 (not (= 2 |old(~a10~0)|))))) [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 11:59:18,097 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 11:59:18,098 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,099 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 11:59:18,100 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 11:59:18,101 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,102 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 11:59:18,103 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,104 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 11:59:18,105 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,106 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (or (not (<= |old(~a19~0)| 8)) .cse0 (not (<= (+ |old(~a1~0)| 45442) 0))) (or .cse0 (not (= |old(~a10~0)| 1))) (or (not (<= 7 |old(~a19~0)|)) .cse0 .cse1 (not (= 2 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse0 .cse1 (not (<= 3 |old(~a10~0)|))))) [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 11:59:18,107 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 11:59:18,108 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 11:59:18,109 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 11:59:18,110 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:18,111 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:18,112 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-28 11:59:18,112 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 11:59:18,112 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:18,112 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-28 11:59:18,112 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:18,112 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 7 ~a19~0) (= ~a10~0 2) .cse0) (= ~a10~0 1) (and (<= 3 ~a10~0) .cse0) (not (<= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 45442) 0) (<= ~a19~0 8)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)))) [2020-10-28 11:59:18,112 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 11:59:18,112 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 11:59:18,113 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 7 ~a19~0) (= ~a10~0 2) .cse0) (= ~a10~0 1) (and (<= 3 ~a10~0) .cse0) (not (<= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 45442) 0) (<= ~a19~0 8)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)))) [2020-10-28 11:59:18,113 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:18,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:59:18 BoogieIcfgContainer [2020-10-28 11:59:18,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 11:59:18,142 INFO L168 Benchmark]: Toolchain (without parser) took 76858.89 ms. Allocated memory was 151.0 MB in the beginning and 992.0 MB in the end (delta: 841.0 MB). Free memory was 124.8 MB in the beginning and 716.3 MB in the end (delta: -591.6 MB). Peak memory consumption was 592.9 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:18,142 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 11:59:18,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 130.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:18,144 INFO L168 Benchmark]: Boogie Preprocessor took 138.19 ms. Allocated memory is still 151.0 MB. Free memory was 130.0 MB in the beginning and 125.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:18,145 INFO L168 Benchmark]: RCFGBuilder took 1687.16 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 125.4 MB in the beginning and 145.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:18,146 INFO L168 Benchmark]: TraceAbstraction took 74226.31 ms. Allocated memory was 191.9 MB in the beginning and 992.0 MB in the end (delta: 800.1 MB). Free memory was 145.3 MB in the beginning and 716.3 MB in the end (delta: -571.0 MB). Peak memory consumption was 571.4 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:18,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 793.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 130.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.19 ms. Allocated memory is still 151.0 MB. Free memory was 130.0 MB in the beginning and 125.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1687.16 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 125.4 MB in the beginning and 145.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 74226.31 ms. Allocated memory was 191.9 MB in the beginning and 992.0 MB in the end (delta: 800.1 MB). Free memory was 145.3 MB in the beginning and 716.3 MB in the end (delta: -571.0 MB). Peak memory consumption was 571.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((7 <= a19 && a10 == 2) && a19 <= 9) || a10 == 1) || (3 <= a10 && a19 <= 9)) || !(9 <= \old(a19))) || (a1 + 45442 <= 0 && a19 <= 8)) || a10 == 0) || !(\old(a1) <= 23)) || !(\old(a19) <= 9)) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.0s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 27.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 5185 SDslu, 380 SDs, 0 SdLazy, 12009 SolverSat, 1632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3110occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 1968 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 327 PreInvPairs, 385 NumberOfFragments, 340 HoareAnnotationTreeSize, 327 FomulaSimplifications, 75201 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8700 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 39.6s InterpolantComputationTime, 3113 NumberOfCodeBlocks, 3113 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3100 ConstructedInterpolants, 0 QuantifiedInterpolants, 2216532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 2774/3068 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...