/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:45:49,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:45:49,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:45:49,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:45:49,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:45:49,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:45:49,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:45:49,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:45:49,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:45:49,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:45:49,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:45:49,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:45:49,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:45:49,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:45:49,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:45:49,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:45:49,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:45:49,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:45:49,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:45:49,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:45:49,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:45:49,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:45:49,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:45:49,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:45:49,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:45:49,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:45:49,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:45:49,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:45:49,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:45:49,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:45:49,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:45:49,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:45:49,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:45:49,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:45:49,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:45:49,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:45:49,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:45:49,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:45:49,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:45:49,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:45:49,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:45:49,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:45:49,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:45:49,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:45:49,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:45:49,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:45:49,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:45:49,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:45:49,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:45:49,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:45:49,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:45:49,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:45:49,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:45:49,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:45:49,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:45:49,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:45:49,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:45:49,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:45:49,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:45:49,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:45:49,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:45:49,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:45:49,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:45:49,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:49,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:45:49,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:45:49,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:45:49,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:45:49,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:45:49,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:45:49,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:45:49,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:45:50,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:45:50,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:45:50,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:45:50,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:45:50,127 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:45:50,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label16.c [2020-10-29 04:45:50,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/956cfdba7/6922ea1d0c36457babc12b6b804664cf/FLAGdb1c2a198 [2020-10-29 04:45:51,016 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:45:51,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label16.c [2020-10-29 04:45:51,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/956cfdba7/6922ea1d0c36457babc12b6b804664cf/FLAGdb1c2a198 [2020-10-29 04:45:51,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/956cfdba7/6922ea1d0c36457babc12b6b804664cf [2020-10-29 04:45:51,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:45:51,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:45:51,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:51,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:45:51,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:45:51,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:51" (1/1) ... [2020-10-29 04:45:51,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdb98aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:51, skipping insertion in model container [2020-10-29 04:45:51,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:51" (1/1) ... [2020-10-29 04:45:51,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:45:51,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:45:51,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:51,905 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:45:52,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:52,120 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:45:52,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52 WrapperNode [2020-10-29 04:45:52,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:52,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:45:52,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:45:52,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:45:52,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... [2020-10-29 04:45:52,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:45:52,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:45:52,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:45:52,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:45:52,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:45:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:45:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:45:53,931 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:45:53,932 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:45:53,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:53 BoogieIcfgContainer [2020-10-29 04:45:53,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:45:53,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:45:53,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:45:53,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:45:53,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:45:51" (1/3) ... [2020-10-29 04:45:53,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c31b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:53, skipping insertion in model container [2020-10-29 04:45:53,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:52" (2/3) ... [2020-10-29 04:45:53,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c31b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:53, skipping insertion in model container [2020-10-29 04:45:53,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:53" (3/3) ... [2020-10-29 04:45:53,945 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label16.c [2020-10-29 04:45:53,960 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:45:53,966 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:45:53,982 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:45:54,014 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:45:54,015 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:45:54,015 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:45:54,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:45:54,015 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:45:54,015 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:45:54,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:45:54,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:45:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:45:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 04:45:54,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:54,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:54,060 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:54,068 INFO L82 PathProgramCache]: Analyzing trace with hash -2047554309, now seen corresponding path program 1 times [2020-10-29 04:45:54,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:54,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902013239] [2020-10-29 04:45:54,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:54,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:57,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 04:45:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:45:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2594 [2020-10-29 04:45:57,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:57,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:45:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:45:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 04:45:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:45:57,481 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:57,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:57,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:57,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 04:45:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:57,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:45:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:57,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902013239] [2020-10-29 04:45:57,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:45:57,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:45:57,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406014294] [2020-10-29 04:45:57,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:45:57,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:57,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:45:57,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:45:57,655 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:45:57,888 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:59,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:59,847 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:45:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:59,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2020-10-29 04:45:59,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:59,865 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:45:59,866 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:45:59,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:45:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:45:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:45:59,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 397 transitions. [2020-10-29 04:45:59,986 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 397 transitions. Word has length 137 [2020-10-29 04:45:59,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:59,987 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 397 transitions. [2020-10-29 04:45:59,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:45:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 397 transitions. [2020-10-29 04:46:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-29 04:46:00,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:00,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:00,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:46:00,007 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:00,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:00,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1116371898, now seen corresponding path program 1 times [2020-10-29 04:46:00,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:00,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647498497] [2020-10-29 04:46:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:00,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:04,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:04,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-29 04:46:04,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4285 [2020-10-29 04:46:04,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:04,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:04,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:46:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 04:46:04,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:04,595 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:04,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:04,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:04,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:04,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:04,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:46:04,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:04,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 04:46:04,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:46:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:46:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:04,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:46:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:04,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647498497] [2020-10-29 04:46:04,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:04,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:04,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202891063] [2020-10-29 04:46:04,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:04,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:04,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:04,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:04,743 INFO L87 Difference]: Start difference. First operand 281 states and 397 transitions. Second operand 5 states. [2020-10-29 04:46:04,895 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:46:06,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:06,364 INFO L93 Difference]: Finished difference Result 836 states and 1208 transitions. [2020-10-29 04:46:06,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:06,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-29 04:46:06,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:06,378 INFO L225 Difference]: With dead ends: 836 [2020-10-29 04:46:06,378 INFO L226 Difference]: Without dead ends: 561 [2020-10-29 04:46:06,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-29 04:46:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 555. [2020-10-29 04:46:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-10-29 04:46:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 760 transitions. [2020-10-29 04:46:06,456 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 760 transitions. Word has length 146 [2020-10-29 04:46:06,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:06,457 INFO L481 AbstractCegarLoop]: Abstraction has 555 states and 760 transitions. [2020-10-29 04:46:06,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 760 transitions. [2020-10-29 04:46:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 04:46:06,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:06,460 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:06,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:46:06,460 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:06,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:06,461 INFO L82 PathProgramCache]: Analyzing trace with hash 55935818, now seen corresponding path program 1 times [2020-10-29 04:46:06,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:06,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429656552] [2020-10-29 04:46:06,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:06,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:06,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:07,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:08,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:08,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-29 04:46:08,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1593 [2020-10-29 04:46:08,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:08,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 04:46:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 04:46:08,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:08,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:08,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:08,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:08,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:08,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:46:08,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:08,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:08,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:08,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:08,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:08,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:08,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:08,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:08,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 04:46:08,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:08,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 04:46:08,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:08,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:08,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:08,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:08,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 04:46:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:08,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429656552] [2020-10-29 04:46:08,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:08,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:08,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173122478] [2020-10-29 04:46:08,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:08,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:08,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:08,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:08,420 INFO L87 Difference]: Start difference. First operand 555 states and 760 transitions. Second operand 5 states. [2020-10-29 04:46:08,675 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 04:46:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:10,155 INFO L93 Difference]: Finished difference Result 1521 states and 2142 transitions. [2020-10-29 04:46:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:10,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-29 04:46:10,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:10,173 INFO L225 Difference]: With dead ends: 1521 [2020-10-29 04:46:10,173 INFO L226 Difference]: Without dead ends: 972 [2020-10-29 04:46:10,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:10,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-29 04:46:10,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 968. [2020-10-29 04:46:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 968 states. [2020-10-29 04:46:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1313 transitions. [2020-10-29 04:46:10,246 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1313 transitions. Word has length 154 [2020-10-29 04:46:10,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:10,248 INFO L481 AbstractCegarLoop]: Abstraction has 968 states and 1313 transitions. [2020-10-29 04:46:10,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1313 transitions. [2020-10-29 04:46:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-29 04:46:10,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:10,256 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:10,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:46:10,257 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:10,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:10,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1186550032, now seen corresponding path program 1 times [2020-10-29 04:46:10,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:10,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909212759] [2020-10-29 04:46:10,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:10,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:11,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:15,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:15,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 04:46:15,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:46:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 04:46:15,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:15,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 04:46:15,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:46:15,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 04:46:15,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:15,492 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:15,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:15,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:15,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:15,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:15,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:15,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 04:46:15,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:15,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:46:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:15,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:15,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:15,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:46:15,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:46:15,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 04:46:15,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:15,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:46:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 04:46:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 04:46:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:15,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:15,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 04:46:15,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:15,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 04:46:15,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:15,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:15,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:15,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:46:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 04:46:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 04:46:15,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909212759] [2020-10-29 04:46:15,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:15,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:46:15,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905167609] [2020-10-29 04:46:15,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:46:15,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:15,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:46:15,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:46:15,854 INFO L87 Difference]: Start difference. First operand 968 states and 1313 transitions. Second operand 8 states. [2020-10-29 04:46:16,034 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:46:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:17,644 INFO L93 Difference]: Finished difference Result 2222 states and 3072 transitions. [2020-10-29 04:46:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:46:17,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-10-29 04:46:17,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:17,658 INFO L225 Difference]: With dead ends: 2222 [2020-10-29 04:46:17,658 INFO L226 Difference]: Without dead ends: 1260 [2020-10-29 04:46:17,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-29 04:46:17,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-10-29 04:46:17,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1117. [2020-10-29 04:46:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1117 states. [2020-10-29 04:46:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1474 transitions. [2020-10-29 04:46:17,733 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1474 transitions. Word has length 170 [2020-10-29 04:46:17,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:17,734 INFO L481 AbstractCegarLoop]: Abstraction has 1117 states and 1474 transitions. [2020-10-29 04:46:17,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:46:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1474 transitions. [2020-10-29 04:46:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-29 04:46:17,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:17,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:17,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:46:17,742 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 423209969, now seen corresponding path program 1 times [2020-10-29 04:46:17,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:17,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146161811] [2020-10-29 04:46:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:17,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:19,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:19,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 04:46:19,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:19,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1733 [2020-10-29 04:46:19,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:19,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 04:46:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 04:46:19,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:19,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:19,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:19,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:19,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:19,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:19,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:46:19,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:19,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:19,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:19,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:19,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:19,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 04:46:19,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 04:46:19,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:19,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 04:46:19,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:19,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146161811] [2020-10-29 04:46:19,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:19,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:46:19,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760056838] [2020-10-29 04:46:19,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:46:19,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:19,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:46:19,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:19,845 INFO L87 Difference]: Start difference. First operand 1117 states and 1474 transitions. Second operand 6 states. [2020-10-29 04:46:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:21,512 INFO L93 Difference]: Finished difference Result 2919 states and 3933 transitions. [2020-10-29 04:46:21,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:21,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-29 04:46:21,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:21,526 INFO L225 Difference]: With dead ends: 2919 [2020-10-29 04:46:21,526 INFO L226 Difference]: Without dead ends: 1808 [2020-10-29 04:46:21,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:46:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2020-10-29 04:46:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1528. [2020-10-29 04:46:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2020-10-29 04:46:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2048 transitions. [2020-10-29 04:46:21,635 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2048 transitions. Word has length 171 [2020-10-29 04:46:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:21,635 INFO L481 AbstractCegarLoop]: Abstraction has 1528 states and 2048 transitions. [2020-10-29 04:46:21,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:46:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2048 transitions. [2020-10-29 04:46:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-29 04:46:21,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:21,643 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:21,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:46:21,644 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:21,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:21,644 INFO L82 PathProgramCache]: Analyzing trace with hash -647189461, now seen corresponding path program 1 times [2020-10-29 04:46:21,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:21,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375581523] [2020-10-29 04:46:21,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:21,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:21,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:26,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:26,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 04:46:26,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 04:46:26,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:26,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 04:46:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-29 04:46:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 04:46:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:27,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:27,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:27,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:27,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:46:27,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:27,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:27,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:27,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:27,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 04:46:27,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:46:27,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:27,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:27,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 04:46:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:27,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:27,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:27,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 04:46:27,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 04:46:27,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:27,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 04:46:27,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 04:46:27,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375581523] [2020-10-29 04:46:27,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:27,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 04:46:27,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810964171] [2020-10-29 04:46:27,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 04:46:27,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:27,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 04:46:27,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-29 04:46:27,552 INFO L87 Difference]: Start difference. First operand 1528 states and 2048 transitions. Second operand 14 states. [2020-10-29 04:46:28,398 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-10-29 04:46:28,817 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-10-29 04:46:29,435 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-10-29 04:46:30,003 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-10-29 04:46:30,535 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-29 04:46:30,903 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-10-29 04:46:31,480 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-29 04:46:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:31,840 INFO L93 Difference]: Finished difference Result 2972 states and 4002 transitions. [2020-10-29 04:46:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 04:46:31,841 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 175 [2020-10-29 04:46:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:31,842 INFO L225 Difference]: With dead ends: 2972 [2020-10-29 04:46:31,842 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:46:31,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-29 04:46:31,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:46:31,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:46:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:46:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:46:31,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-10-29 04:46:31,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:31,850 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:46:31,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 04:46:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:46:31,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:46:31,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:46:31,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:46:32,513 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-29 04:46:33,387 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 82 [2020-10-29 04:46:33,643 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-10-29 04:46:33,648 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:46:33,648 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:46:33,648 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:46:33,649 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:46:33,649 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:46:33,650 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,651 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:46:33,652 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:46:33,652 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:46:33,652 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:46:33,653 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:46:33,653 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:46:33,653 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:46:33,654 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:46:33,654 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:46:33,654 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:46:33,654 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,655 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,656 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:46:33,656 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L270 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (= |old(~a21~0)| 1))) (let ((.cse1 (not .cse0))) (and (or (not (= |old(~a8~0)| 13)) (not (= |old(~a7~0)| 1)) (not (= 6 |old(~a16~0)|)) (not (= |old(~a20~0)| 1)) (not (<= |old(~a17~0)| 0)) .cse0 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not (= ~a12~0 8))) (not (<= |old(~a16~0)| 5)) (or (not (= 15 |old(~a8~0)|)) .cse1) (or (not (= |old(~a7~0)| |old(~a17~0)|)) .cse1) (or (not (= |old(~a17~0)| 1)) .cse1)))) [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L568-1(line 568) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:46:33,657 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:46:33,658 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:46:33,659 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:46:33,659 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:46:33,659 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:46:33,659 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:46:33,659 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:46:33,659 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:46:33,660 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:46:33,660 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:46:33,660 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:46:33,660 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:46:33,660 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:46:33,660 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:46:33,662 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:46:33,662 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,662 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,662 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,662 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,662 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,663 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:46:33,664 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,665 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:46:33,666 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:46:33,666 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:46:33,666 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,666 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,666 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:46:33,667 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:46:33,667 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:46:33,667 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:46:33,667 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:46:33,667 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,668 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:46:33,669 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:46:33,670 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:46:33,670 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:46:33,670 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:46:33,670 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:46:33,670 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,670 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:46:33,671 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:46:33,672 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,672 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,672 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse5 (= |old(~a21~0)| 1))) (let ((.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a21~0 1)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse8 (not .cse5))) (and (or (not (= |old(~a8~0)| 13)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 13)) (not (= |old(~a7~0)| 1)) (not (= 6 |old(~a16~0)|)) (not (= |old(~a20~0)| 1)) (not (<= |old(~a17~0)| 0)) .cse5 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not (= ~a12~0 8))) (or (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6)) (or (and .cse0 .cse1 .cse7 .cse3 .cse4 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|)) .cse8) (or (not (= |old(~a17~0)| 1)) .cse8 (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse6)) (or (not (= |old(~a7~0)| |old(~a17~0)|)) (and .cse1 .cse7 .cse3 .cse4 .cse6 (= ~a17~0 ~a7~0)) .cse8)))) [2020-10-29 04:46:33,672 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,672 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,672 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:46:33,673 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:46:33,674 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,675 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:46:33,676 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a8~0 15) (= ~a17~0 1)) [2020-10-29 04:46:33,677 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:46:33,677 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:46:33,677 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-10-29 04:46:33,678 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:46:33,678 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and .cse0 (= ~a17~0 1)) (and .cse0 (= ~a8~0 15)) (not (= |old(~a17~0)| 1)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 1) (= ~a16~0 6) (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0)) (= ~a12~0 8) (<= ~a17~0 0) (not .cse0) (= ~a8~0 13) (= ~a20~0 1)) (and .cse0 (= ~a17~0 ~a7~0)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)))) [2020-10-29 04:46:33,678 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:46:33,678 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:46:33,678 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and .cse0 (= ~a17~0 1)) (and .cse0 (= ~a8~0 15)) (not (= |old(~a17~0)| 1)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 1) (= ~a16~0 6) (= ~a12~0 8) (<= ~a17~0 0) (not .cse0) (= ~a8~0 13) (= ~a20~0 1)) (and .cse0 (= ~a17~0 ~a7~0)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)))) [2020-10-29 04:46:33,678 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:46:33,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:46:33 BoogieIcfgContainer [2020-10-29 04:46:33,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:46:33,729 INFO L168 Benchmark]: Toolchain (without parser) took 42506.55 ms. Allocated memory was 160.4 MB in the beginning and 684.7 MB in the end (delta: 524.3 MB). Free memory was 133.2 MB in the beginning and 449.5 MB in the end (delta: -316.3 MB). Peak memory consumption was 406.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:33,736 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 160.4 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:46:33,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 891.12 ms. Allocated memory is still 160.4 MB. Free memory was 132.6 MB in the beginning and 138.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:33,739 INFO L168 Benchmark]: Boogie Preprocessor took 145.67 ms. Allocated memory is still 160.4 MB. Free memory was 138.9 MB in the beginning and 134.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:33,740 INFO L168 Benchmark]: RCFGBuilder took 1665.49 ms. Allocated memory is still 160.4 MB. Free memory was 134.2 MB in the beginning and 118.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 85.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:33,740 INFO L168 Benchmark]: TraceAbstraction took 39788.75 ms. Allocated memory was 160.4 MB in the beginning and 684.7 MB in the end (delta: 524.3 MB). Free memory was 117.4 MB in the beginning and 449.5 MB in the end (delta: -332.0 MB). Peak memory consumption was 389.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:33,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 160.4 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 891.12 ms. Allocated memory is still 160.4 MB. Free memory was 132.6 MB in the beginning and 138.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.67 ms. Allocated memory is still 160.4 MB. Free memory was 138.9 MB in the beginning and 134.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1665.49 ms. Allocated memory is still 160.4 MB. Free memory was 134.2 MB in the beginning and 118.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 85.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39788.75 ms. Allocated memory was 160.4 MB in the beginning and 684.7 MB in the end (delta: 524.3 MB). Free memory was 117.4 MB in the beginning and 449.5 MB in the end (delta: -332.0 MB). Peak memory consumption was 389.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((((a21 == 1 && a17 == 1) || (a21 == 1 && a8 == 15)) || !(\old(a17) == 1)) || a16 <= 5) || !(\old(a16) <= 5)) || ((((((a7 == 1 && a16 == 6) && a12 == 8) && a17 <= 0) && !(a21 == 1)) && a8 == 13) && a20 == 1)) || (a21 == 1 && a17 == a7)) || !(15 == \old(a8))) || !(\old(a21) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 2174 SDslu, 145 SDs, 0 SdLazy, 3925 SolverSat, 622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1528occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 439 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 102 PreInvPairs, 127 NumberOfFragments, 552 HoareAnnotationTreeSize, 102 FomulaSimplifications, 16360 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1400 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.7s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 947 ConstructedInterpolants, 0 QuantifiedInterpolants, 772420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 128/135 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...