/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/Problem10_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:41:21,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:41:21,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:41:21,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:41:21,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:41:21,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:41:21,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:41:21,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:41:21,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:41:21,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:41:21,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:41:21,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:41:21,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:41:21,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:41:21,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:41:21,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:41:21,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:41:21,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:41:21,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:41:21,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:41:21,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:41:21,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:41:21,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:41:21,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:41:21,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:41:21,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:41:21,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:41:21,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:41:21,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:41:21,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:41:21,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:41:21,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:41:21,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:41:21,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:41:21,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:41:21,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:41:21,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:41:21,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:41:21,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:41:21,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:41:21,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:41:21,710 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 06:41:21,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:41:21,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:41:21,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:41:21,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:41:21,773 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:41:21,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:41:21,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:41:21,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:41:21,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:41:21,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:41:21,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:41:21,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:41:21,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:41:21,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:41:21,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:41:21,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:41:21,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:41:21,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:41:21,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:41:21,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:41:21,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:41:21,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:41:21,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:41:21,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:41:21,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:41:21,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:41:21,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:41:21,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:41:21,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:41:21,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:41:22,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:41:22,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:41:22,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:41:22,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:41:22,205 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:41:22,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-10-29 06:41:22,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/646b3df87/041c471288014d01903b1853028d73c8/FLAG9b60e0ceb [2020-10-29 06:41:22,997 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:41:22,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-10-29 06:41:23,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/646b3df87/041c471288014d01903b1853028d73c8/FLAG9b60e0ceb [2020-10-29 06:41:23,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/646b3df87/041c471288014d01903b1853028d73c8 [2020-10-29 06:41:23,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:41:23,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:41:23,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:41:23,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:41:23,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:41:23,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:23,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187ad513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23, skipping insertion in model container [2020-10-29 06:41:23,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:23,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:41:23,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:41:23,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:41:23,841 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:41:23,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:41:23,984 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:41:23,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23 WrapperNode [2020-10-29 06:41:23,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:41:23,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:41:23,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:41:23,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:41:24,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (1/1) ... [2020-10-29 06:41:24,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:41:24,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:41:24,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:41:24,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:41:24,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (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 06:41:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:41:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:41:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:41:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:41:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:41:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:41:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:41:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:41:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:41:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:41:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:41:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:41:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:41:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:41:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:41:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:41:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:41:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:41:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:41:25,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:41:25,730 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:41:25,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:41:25 BoogieIcfgContainer [2020-10-29 06:41:25,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:41:25,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:41:25,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:41:25,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:41:25,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:41:23" (1/3) ... [2020-10-29 06:41:25,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3d6d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:41:25, skipping insertion in model container [2020-10-29 06:41:25,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:23" (2/3) ... [2020-10-29 06:41:25,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3d6d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:41:25, skipping insertion in model container [2020-10-29 06:41:25,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:41:25" (3/3) ... [2020-10-29 06:41:25,743 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label51.c [2020-10-29 06:41:25,757 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:41:25,763 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:41:25,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:41:25,813 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:41:25,813 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:41:25,813 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:41:25,813 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:41:25,813 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:41:25,814 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:41:25,814 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:41:25,814 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:41:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:41:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 06:41:25,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:25,852 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] [2020-10-29 06:41:25,852 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:25,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:25,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1215620930, now seen corresponding path program 1 times [2020-10-29 06:41:25,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:25,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158450266] [2020-10-29 06:41:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:26,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:26,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-29 06:41:26,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:26,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-29 06:41:26,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:26,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 06:41:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:41:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:26,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:26,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:26,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:26,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:26,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 06:41:26,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:26,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:26,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:27,045 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 06:41:27,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158450266] [2020-10-29 06:41:27,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:41:27,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:41:27,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062338763] [2020-10-29 06:41:27,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:27,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:27,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:27,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:27,085 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-29 06:41:29,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:29,156 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-29 06:41:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:29,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-10-29 06:41:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:29,186 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:41:29,187 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:41:29,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:41:29,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-29 06:41:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-29 06:41:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-29 06:41:29,323 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 57 [2020-10-29 06:41:29,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:29,323 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-29 06:41:29,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-29 06:41:29,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-29 06:41:29,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:29,330 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 06:41:29,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:41:29,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:29,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash 165837215, now seen corresponding path program 1 times [2020-10-29 06:41:29,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:29,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139717882] [2020-10-29 06:41:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:29,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:30,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:30,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:41:30,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 876 [2020-10-29 06:41:30,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:30,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:41:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 06:41:30,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:41:30,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:30,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:30,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:30,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:30,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 06:41:30,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:30,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:30,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:30,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:30,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:30,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:30,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:30,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:30,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:30,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-29 06:41:30,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:30,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:30,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:30,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:30,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:30,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:41:30,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139717882] [2020-10-29 06:41:30,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:30,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:41:30,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109156410] [2020-10-29 06:41:30,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:41:30,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:30,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:41:30,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:30,859 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 6 states. [2020-10-29 06:41:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:33,402 INFO L93 Difference]: Finished difference Result 1176 states and 1601 transitions. [2020-10-29 06:41:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:33,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2020-10-29 06:41:33,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:33,414 INFO L225 Difference]: With dead ends: 1176 [2020-10-29 06:41:33,414 INFO L226 Difference]: Without dead ends: 883 [2020-10-29 06:41:33,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-29 06:41:33,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 736. [2020-10-29 06:41:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-10-29 06:41:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 990 transitions. [2020-10-29 06:41:33,464 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 990 transitions. Word has length 127 [2020-10-29 06:41:33,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:33,465 INFO L481 AbstractCegarLoop]: Abstraction has 736 states and 990 transitions. [2020-10-29 06:41:33,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:41:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 990 transitions. [2020-10-29 06:41:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 06:41:33,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:33,470 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:33,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:41:33,470 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:33,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1586562813, now seen corresponding path program 1 times [2020-10-29 06:41:33,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:33,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977316526] [2020-10-29 06:41:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:33,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:41:34,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-29 06:41:34,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 06:41:34,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:34,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:41:34,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:34,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:34,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:34,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 06:41:34,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:34,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977316526] [2020-10-29 06:41:34,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:34,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:34,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696273716] [2020-10-29 06:41:34,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:34,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:34,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:34,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:34,559 INFO L87 Difference]: Start difference. First operand 736 states and 990 transitions. Second operand 5 states. [2020-10-29 06:41:36,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:36,371 INFO L93 Difference]: Finished difference Result 1760 states and 2437 transitions. [2020-10-29 06:41:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:36,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-29 06:41:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:36,382 INFO L225 Difference]: With dead ends: 1760 [2020-10-29 06:41:36,382 INFO L226 Difference]: Without dead ends: 1030 [2020-10-29 06:41:36,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:36,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-29 06:41:36,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1026. [2020-10-29 06:41:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-10-29 06:41:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1310 transitions. [2020-10-29 06:41:36,437 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1310 transitions. Word has length 136 [2020-10-29 06:41:36,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:36,438 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1310 transitions. [2020-10-29 06:41:36,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1310 transitions. [2020-10-29 06:41:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-29 06:41:36,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:36,447 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:41:36,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:41:36,447 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:36,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:36,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1328109142, now seen corresponding path program 1 times [2020-10-29 06:41:36,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:36,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779126649] [2020-10-29 06:41:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:36,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:37,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-29 06:41:38,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2181 [2020-10-29 06:41:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:38,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-29 06:41:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 06:41:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:38,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:38,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:38,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:38,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:38,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:38,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:41:38,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:38,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:38,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:38,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:38,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:38,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:38,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:41:38,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:38,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:38,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:38,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:38,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:41:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:39,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:39,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:41:39,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 06:41:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:39,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:41:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-29 06:41:39,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779126649] [2020-10-29 06:41:39,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:39,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:39,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014299024] [2020-10-29 06:41:39,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:39,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:39,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:39,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:39,145 INFO L87 Difference]: Start difference. First operand 1026 states and 1310 transitions. Second operand 5 states. [2020-10-29 06:41:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:40,709 INFO L93 Difference]: Finished difference Result 2340 states and 3085 transitions. [2020-10-29 06:41:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:40,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-29 06:41:40,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:40,723 INFO L225 Difference]: With dead ends: 2340 [2020-10-29 06:41:40,723 INFO L226 Difference]: Without dead ends: 1320 [2020-10-29 06:41:40,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 06:41:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-29 06:41:40,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1316. [2020-10-29 06:41:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-10-29 06:41:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1717 transitions. [2020-10-29 06:41:40,812 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1717 transitions. Word has length 209 [2020-10-29 06:41:40,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:40,814 INFO L481 AbstractCegarLoop]: Abstraction has 1316 states and 1717 transitions. [2020-10-29 06:41:40,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1717 transitions. [2020-10-29 06:41:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-29 06:41:40,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:40,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-29 06:41:40,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:41:40,826 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:40,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:40,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1673304702, now seen corresponding path program 1 times [2020-10-29 06:41:40,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:40,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084985196] [2020-10-29 06:41:40,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:40,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:40,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:43,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:43,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:45,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-29 06:41:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:41:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-29 06:41:45,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:45,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:41:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-29 06:41:45,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:46,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:46,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:46,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:46,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:46,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:46,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:46,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:46,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:41:46,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 06:41:46,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:46,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:41:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:46,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:41:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:46,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:46,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:46,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:46,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:41:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-29 06:41:46,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:46,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-29 06:41:46,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084985196] [2020-10-29 06:41:46,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:46,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:41:46,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670479548] [2020-10-29 06:41:46,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:41:46,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:46,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:41:46,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:46,455 INFO L87 Difference]: Start difference. First operand 1316 states and 1717 transitions. Second operand 6 states. [2020-10-29 06:41:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:49,290 INFO L93 Difference]: Finished difference Result 5091 states and 6900 transitions. [2020-10-29 06:41:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:49,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2020-10-29 06:41:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:49,317 INFO L225 Difference]: With dead ends: 5091 [2020-10-29 06:41:49,317 INFO L226 Difference]: Without dead ends: 3781 [2020-10-29 06:41:49,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:49,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2020-10-29 06:41:49,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 3638. [2020-10-29 06:41:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3638 states. [2020-10-29 06:41:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 4778 transitions. [2020-10-29 06:41:49,507 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 4778 transitions. Word has length 224 [2020-10-29 06:41:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:49,507 INFO L481 AbstractCegarLoop]: Abstraction has 3638 states and 4778 transitions. [2020-10-29 06:41:49,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:41:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 4778 transitions. [2020-10-29 06:41:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-29 06:41:49,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:49,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:41:49,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:41:49,520 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:49,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:49,521 INFO L82 PathProgramCache]: Analyzing trace with hash -7948164, now seen corresponding path program 1 times [2020-10-29 06:41:49,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:49,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166845642] [2020-10-29 06:41:49,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:49,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:50,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:52,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:54,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:54,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-29 06:41:54,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:54,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-29 06:41:54,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:54,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-29 06:41:54,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:54,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:54,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:54,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:54,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:54,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:54,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:54,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:54,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:54,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:54,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 06:41:54,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:54,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:55,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:55,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 06:41:55,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 06:41:55,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:55,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:55,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:55,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:55,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:41:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:55,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166845642] [2020-10-29 06:41:55,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:55,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:55,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317519068] [2020-10-29 06:41:55,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:55,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:55,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:55,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:55,313 INFO L87 Difference]: Start difference. First operand 3638 states and 4778 transitions. Second operand 7 states. [2020-10-29 06:41:57,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:57,473 INFO L93 Difference]: Finished difference Result 7181 states and 9560 transitions. [2020-10-29 06:41:57,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:41:57,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2020-10-29 06:41:57,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:57,496 INFO L225 Difference]: With dead ends: 7181 [2020-10-29 06:41:57,496 INFO L226 Difference]: Without dead ends: 3692 [2020-10-29 06:41:57,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:57,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2020-10-29 06:41:57,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 2947. [2020-10-29 06:41:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2020-10-29 06:41:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 3468 transitions. [2020-10-29 06:41:57,676 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 3468 transitions. Word has length 268 [2020-10-29 06:41:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:57,677 INFO L481 AbstractCegarLoop]: Abstraction has 2947 states and 3468 transitions. [2020-10-29 06:41:57,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3468 transitions. [2020-10-29 06:41:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-29 06:41:57,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:57,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:41:57,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:41:57,690 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:57,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:57,691 INFO L82 PathProgramCache]: Analyzing trace with hash 930952158, now seen corresponding path program 1 times [2020-10-29 06:41:57,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:57,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147288152] [2020-10-29 06:41:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:57,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:57,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:58,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:59,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-29 06:42:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:42:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2967 [2020-10-29 06:42:00,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:42:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-29 06:42:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:00,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:00,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:00,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:42:00,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:00,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:42:00,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:42:00,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:42:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:01,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:01,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:01,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 06:42:01,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-29 06:42:01,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:01,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:42:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:42:01,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147288152] [2020-10-29 06:42:01,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:01,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:42:01,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767325427] [2020-10-29 06:42:01,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:42:01,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:01,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:42:01,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:42:01,469 INFO L87 Difference]: Start difference. First operand 2947 states and 3468 transitions. Second operand 8 states. [2020-10-29 06:42:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:05,060 INFO L93 Difference]: Finished difference Result 7477 states and 8818 transitions. [2020-10-29 06:42:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:42:05,060 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 277 [2020-10-29 06:42:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:05,078 INFO L225 Difference]: With dead ends: 7477 [2020-10-29 06:42:05,079 INFO L226 Difference]: Without dead ends: 3221 [2020-10-29 06:42:05,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:42:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3221 states. [2020-10-29 06:42:05,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3221 to 2502. [2020-10-29 06:42:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2020-10-29 06:42:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 2753 transitions. [2020-10-29 06:42:05,186 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 2753 transitions. Word has length 277 [2020-10-29 06:42:05,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:05,186 INFO L481 AbstractCegarLoop]: Abstraction has 2502 states and 2753 transitions. [2020-10-29 06:42:05,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:42:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2753 transitions. [2020-10-29 06:42:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-29 06:42:05,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:05,196 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:42:05,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:42:05,196 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:05,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash -966806250, now seen corresponding path program 1 times [2020-10-29 06:42:05,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:05,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508388889] [2020-10-29 06:42:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:05,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:08,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:08,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-29 06:42:08,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:08,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3039 [2020-10-29 06:42:08,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:08,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 06:42:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:42:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-29 06:42:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:08,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:08,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:08,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:08,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:08,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:08,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 06:42:08,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:08,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:08,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:08,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:08,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:42:08,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 06:42:08,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:08,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:42:08,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:42:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:08,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:08,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 06:42:08,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 06:42:08,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:08,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:42:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:42:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 195 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:42:09,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508388889] [2020-10-29 06:42:09,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:09,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:42:09,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002434763] [2020-10-29 06:42:09,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:42:09,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:09,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:42:09,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:42:09,229 INFO L87 Difference]: Start difference. First operand 2502 states and 2753 transitions. Second operand 8 states. [2020-10-29 06:42:11,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:11,587 INFO L93 Difference]: Finished difference Result 3689 states and 4052 transitions. [2020-10-29 06:42:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:42:11,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 313 [2020-10-29 06:42:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:11,606 INFO L225 Difference]: With dead ends: 3689 [2020-10-29 06:42:11,606 INFO L226 Difference]: Without dead ends: 3523 [2020-10-29 06:42:11,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:42:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3523 states. [2020-10-29 06:42:11,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3523 to 3233. [2020-10-29 06:42:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3233 states. [2020-10-29 06:42:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 3583 transitions. [2020-10-29 06:42:11,708 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 3583 transitions. Word has length 313 [2020-10-29 06:42:11,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:11,709 INFO L481 AbstractCegarLoop]: Abstraction has 3233 states and 3583 transitions. [2020-10-29 06:42:11,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:42:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 3583 transitions. [2020-10-29 06:42:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-10-29 06:42:11,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:11,725 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:11,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:42:11,726 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:11,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:11,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1580001099, now seen corresponding path program 1 times [2020-10-29 06:42:11,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:11,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066127635] [2020-10-29 06:42:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:12,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:13,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 398 [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1706 [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-29 06:42:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 06:42:13,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:13,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:42:13,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:13,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:13,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:13,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:42:13,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 06:42:13,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:13,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:13,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:42:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:13,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:13,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:42:13,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:42:13,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:13,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:13,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:42:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:13,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:13,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:42:13,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 06:42:13,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:13,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:42:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-29 06:42:14,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066127635] [2020-10-29 06:42:14,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:14,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:14,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527887068] [2020-10-29 06:42:14,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:14,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:14,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:14,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:14,066 INFO L87 Difference]: Start difference. First operand 3233 states and 3583 transitions. Second operand 5 states. [2020-10-29 06:42:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:15,695 INFO L93 Difference]: Finished difference Result 6751 states and 7552 transitions. [2020-10-29 06:42:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:15,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 382 [2020-10-29 06:42:15,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:15,700 INFO L225 Difference]: With dead ends: 6751 [2020-10-29 06:42:15,700 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:42:15,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:42:15,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:42:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:42:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:42:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:42:15,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 382 [2020-10-29 06:42:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:15,715 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:42:15,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:42:15,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:42:15,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:42:15,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:42:15,960 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 144 [2020-10-29 06:42:16,631 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 144 [2020-10-29 06:42:17,208 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2020-10-29 06:42:18,784 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 229 DAG size of output: 55 [2020-10-29 06:42:19,424 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2020-10-29 06:42:19,886 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2020-10-29 06:42:19,890 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:42:19,891 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:42:19,891 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:42:19,891 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:42:19,891 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:42:19,892 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:42:19,893 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:42:19,894 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,895 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:42:19,896 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,897 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:42:19,898 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,899 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:42:19,900 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:42:19,901 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:42:19,902 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:42:19,903 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,904 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:42:19,905 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L270 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a1~0)| 505272))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (not (<= 2 |old(~a10~0)|))) (.cse5 (not (<= 0 (+ |old(~a1~0)| 7))))) (and (or .cse0 (not (<= 4 |old(~a10~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse1) (or .cse2 .cse3) (or (not (<= |old(~a19~0)| 9)) .cse2) (or (not (<= 9 |old(~a19~0)|)) .cse4) (or .cse1 (not (<= |old(~a10~0)| 2)) .cse3) (or .cse4 .cse5) (or .cse0 .cse1 .cse5))) [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L156-1(line 156) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:42:19,906 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,907 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse2 (not (= 0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a1~0)| 505272))) (.cse5 (not (<= 0 (+ |old(~a1~0)| 7)))) (.cse6 (not (= 9 |old(~a19~0)|))) (.cse1 (and .cse7 .cse8 (= ~a10~0 |old(~a10~0)|))) (.cse4 (not (<= 2 |old(~a10~0)|)))) (and (or .cse0 (not (<= 4 |old(~a10~0)|)) .cse1) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2) (or .cse6 .cse1 .cse2) (or .cse1 .cse4 (not (<= |old(~a10~0)| 2)) .cse3) (or (and (= ~a10~0 1) .cse7 .cse8) (let ((.cse9 (not (= |old(~a10~0)| 1)))) (and (or (not (<= 9 |old(~a19~0)|)) .cse9) (or .cse9 .cse5)))) (or .cse6 .cse1 .cse4)))) [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:42:19,908 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:42:19,909 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,910 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:42:19,911 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,912 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:19,913 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:42:19,913 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 505272) (<= 0 (+ ~a1~0 7))) [2020-10-29 06:42:19,913 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:42:19,913 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:42:19,913 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= 0 (+ |old(~a1~0)| 7))) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 505272))) [2020-10-29 06:42:19,913 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:42:19,913 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse4 (<= 0 (+ ~a1~0 7))) (.cse3 (= ~a10~0 1)) (.cse5 (<= ~a19~0 8)) (.cse7 (<= |old(~a19~0)| ~a19~0)) (.cse1 (<= ~a19~0 |old(~a19~0)|)) (.cse2 (<= ~a1~0 505272)) (.cse6 (<= 2 ~a10~0))) (or (and .cse0 .cse1) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse2) (not (<= 0 (+ |old(~a1~0)| 7))) (and .cse3 .cse4) (and .cse5 .cse4 .cse6) (not (<= |old(~a1~0)| 505272)) (and .cse3 .cse7) (and (<= 4 ~a10~0) .cse5) (and .cse7 .cse1 .cse6) (and (<= ~a10~0 2) .cse2 .cse6))) [2020-10-29 06:42:19,913 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:42:19,914 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:42:19,914 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse4 (<= 0 (+ ~a1~0 7))) (.cse3 (= ~a10~0 1)) (.cse5 (<= ~a19~0 8)) (.cse7 (<= |old(~a19~0)| ~a19~0)) (.cse1 (<= ~a19~0 |old(~a19~0)|)) (.cse2 (<= ~a1~0 505272)) (.cse6 (<= 2 ~a10~0))) (or (and .cse0 .cse1) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse2) (not (<= 0 (+ |old(~a1~0)| 7))) (and .cse3 .cse4) (and .cse5 .cse4 .cse6) (not (<= |old(~a1~0)| 505272)) (and .cse3 .cse7) (and (<= 4 ~a10~0) .cse5) (and .cse7 .cse1 .cse6) (and (<= ~a10~0 2) .cse2 .cse6))) [2020-10-29 06:42:19,914 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:42:19,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:42:19 BoogieIcfgContainer [2020-10-29 06:42:19,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:42:19,938 INFO L168 Benchmark]: Toolchain (without parser) took 56685.84 ms. Allocated memory was 162.5 MB in the beginning and 859.8 MB in the end (delta: 697.3 MB). Free memory was 135.3 MB in the beginning and 664.8 MB in the end (delta: -529.5 MB). Peak memory consumption was 512.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:19,939 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 162.5 MB. Free memory was 134.9 MB in the beginning and 134.6 MB in the end (delta: 232.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:42:19,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.82 ms. Allocated memory is still 162.5 MB. Free memory was 134.7 MB in the beginning and 108.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:19,940 INFO L168 Benchmark]: Boogie Preprocessor took 236.98 ms. Allocated memory is still 162.5 MB. Free memory was 107.9 MB in the beginning and 139.7 MB in the end (delta: -31.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:19,941 INFO L168 Benchmark]: RCFGBuilder took 1509.23 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 139.7 MB in the beginning and 158.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 93.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:19,942 INFO L168 Benchmark]: TraceAbstraction took 54201.40 ms. Allocated memory was 195.0 MB in the beginning and 859.8 MB in the end (delta: 664.8 MB). Free memory was 157.6 MB in the beginning and 664.8 MB in the end (delta: -507.2 MB). Peak memory consumption was 501.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:19,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 162.5 MB. Free memory was 134.9 MB in the beginning and 134.6 MB in the end (delta: 232.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 724.82 ms. Allocated memory is still 162.5 MB. Free memory was 134.7 MB in the beginning and 108.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 236.98 ms. Allocated memory is still 162.5 MB. Free memory was 107.9 MB in the beginning and 139.7 MB in the end (delta: -31.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1509.23 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 139.7 MB in the beginning and 158.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 93.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54201.40 ms. Allocated memory was 195.0 MB in the beginning and 859.8 MB in the end (delta: 664.8 MB). Free memory was 157.6 MB in the beginning and 664.8 MB in the end (delta: -507.2 MB). Peak memory consumption was 501.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((a10 == 0 && a19 <= \old(a19)) || !(9 == \old(a19))) || !(0 == \old(a10))) || (a10 == 0 && a1 <= 505272)) || !(0 <= \old(a1) + 7)) || (a10 == 1 && 0 <= a1 + 7)) || ((a19 <= 8 && 0 <= a1 + 7) && 2 <= a10)) || !(\old(a1) <= 505272)) || (a10 == 1 && \old(a19) <= a19)) || (4 <= a10 && a19 <= 8)) || ((\old(a19) <= a19 && a19 <= \old(a19)) && 2 <= a10)) || ((a10 <= 2 && a1 <= 505272) && 2 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 3810 SDslu, 260 SDs, 0 SdLazy, 8896 SolverSat, 1217 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3638occurred 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: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 2056 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 265 PreInvPairs, 337 NumberOfFragments, 544 HoareAnnotationTreeSize, 265 FomulaSimplifications, 19483 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6735 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 1993 NumberOfCodeBlocks, 1993 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1984 ConstructedInterpolants, 0 QuantifiedInterpolants, 1323364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 1404/1434 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...