/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:22:08,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:22:08,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:22:08,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:22:08,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:22:08,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:22:08,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:22:08,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:22:08,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:22:08,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:22:08,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:22:08,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:22:08,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:22:08,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:22:08,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:22:08,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:22:08,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:22:08,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:22:08,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:22:08,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:22:08,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:22:08,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:22:08,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:22:08,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:22:08,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:22:08,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:22:08,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:22:08,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:22:08,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:22:08,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:22:08,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:22:08,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:22:08,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:22:08,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:22:08,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:22:08,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:22:08,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:22:08,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:22:08,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:22:08,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:22:08,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:22:08,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:22:08,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:22:08,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:22:08,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:22:08,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:22:08,847 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:22:08,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:22:08,848 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:22:08,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:22:08,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:22:08,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:22:08,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:22:08,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:22:08,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:22:08,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:22:08,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:22:08,850 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:22:08,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:22:08,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:22:08,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:22:08,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:22:08,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:22:08,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:22:08,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:22:08,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:22:08,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:22:08,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:22:08,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:22:08,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:22:08,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:22:08,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:22:09,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:22:09,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:22:09,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:22:09,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:22:09,311 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:22:09,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label56.c [2020-10-28 10:22:09,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/290ede789/68511c1cb2f845f191c606879cdb96fd/FLAGbea6fa7b7 [2020-10-28 10:22:10,259 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:22:10,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label56.c [2020-10-28 10:22:10,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/290ede789/68511c1cb2f845f191c606879cdb96fd/FLAGbea6fa7b7 [2020-10-28 10:22:10,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/290ede789/68511c1cb2f845f191c606879cdb96fd [2020-10-28 10:22:10,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:22:10,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:22:10,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:22:10,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:22:10,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:22:10,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:22:10" (1/1) ... [2020-10-28 10:22:10,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a3a73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:10, skipping insertion in model container [2020-10-28 10:22:10,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:22:10" (1/1) ... [2020-10-28 10:22:10,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:22:10,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:22:11,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:22:11,333 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:22:11,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:22:11,678 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:22:11,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11 WrapperNode [2020-10-28 10:22:11,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:22:11,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:22:11,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:22:11,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:22:11,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... [2020-10-28 10:22:11,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:22:11,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:22:11,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:22:11,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:22:11,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:22:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:22:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:22:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:22:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:22:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:22:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:22:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:22:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:22:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:22:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:22:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:22:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:22:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:22:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:22:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:22:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:22:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:22:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:22:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:22:14,780 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:22:14,780 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:22:14,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:22:14 BoogieIcfgContainer [2020-10-28 10:22:14,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:22:14,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:22:14,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:22:14,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:22:14,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:22:10" (1/3) ... [2020-10-28 10:22:14,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c410cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:22:14, skipping insertion in model container [2020-10-28 10:22:14,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:22:11" (2/3) ... [2020-10-28 10:22:14,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c410cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:22:14, skipping insertion in model container [2020-10-28 10:22:14,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:22:14" (3/3) ... [2020-10-28 10:22:14,793 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label56.c [2020-10-28 10:22:14,807 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:22:14,813 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:22:14,829 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:22:14,877 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:22:14,877 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:22:14,877 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:22:14,877 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:22:14,878 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:22:14,878 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:22:14,878 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:22:14,878 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:22:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-28 10:22:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-28 10:22:14,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:22:14,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:22:14,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:22:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:22:14,932 INFO L82 PathProgramCache]: Analyzing trace with hash -709890784, now seen corresponding path program 1 times [2020-10-28 10:22:14,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:22:14,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78823557] [2020-10-28 10:22:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:22:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:15,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:16,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:20,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:20,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 10:22:20,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:22:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4900 [2020-10-28 10:22:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:20,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:22:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:22:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-28 10:22:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:22:20,925 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:22:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:22:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:21,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:21,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:22:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 10:22:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:21,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:22:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:22:21,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:22:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:22:21,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78823557] [2020-10-28 10:22:21,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:22:21,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:22:21,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750667265] [2020-10-28 10:22:21,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:22:21,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:22:21,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:22:21,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:22:21,160 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-28 10:22:21,641 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-28 10:22:25,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:22:25,484 INFO L93 Difference]: Finished difference Result 869 states and 1524 transitions. [2020-10-28 10:22:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:22:25,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2020-10-28 10:22:25,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:22:25,524 INFO L225 Difference]: With dead ends: 869 [2020-10-28 10:22:25,525 INFO L226 Difference]: Without dead ends: 477 [2020-10-28 10:22:25,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:22:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-10-28 10:22:25,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 468. [2020-10-28 10:22:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-28 10:22:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 722 transitions. [2020-10-28 10:22:25,669 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 722 transitions. Word has length 180 [2020-10-28 10:22:25,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:22:25,670 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 722 transitions. [2020-10-28 10:22:25,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:22:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 722 transitions. [2020-10-28 10:22:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 10:22:25,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:22:25,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:22:25,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:22:25,683 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:22:25,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:22:25,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1998237708, now seen corresponding path program 1 times [2020-10-28 10:22:25,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:22:25,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870234914] [2020-10-28 10:22:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:22:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:26,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:27,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:28,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:28,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-28 10:22:28,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:22:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3115 [2020-10-28 10:22:28,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:28,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:22:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:22:28,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-28 10:22:28,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 10:22:29,333 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:22:29,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:22:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:29,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:29,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:22:29,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 10:22:29,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:29,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:22:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:22:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:22:29,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:22:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:29,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:29,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:29,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:29,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:22:29,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:22:29,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 10:22:29,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:29,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:22:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:22:29,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:22:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:22:29,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870234914] [2020-10-28 10:22:29,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:22:29,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:22:29,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853056705] [2020-10-28 10:22:29,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:22:29,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:22:29,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:22:29,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:22:29,619 INFO L87 Difference]: Start difference. First operand 468 states and 722 transitions. Second operand 5 states. [2020-10-28 10:22:30,089 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:22:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:22:33,360 INFO L93 Difference]: Finished difference Result 1354 states and 2109 transitions. [2020-10-28 10:22:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:22:33,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2020-10-28 10:22:33,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:22:33,366 INFO L225 Difference]: With dead ends: 1354 [2020-10-28 10:22:33,367 INFO L226 Difference]: Without dead ends: 471 [2020-10-28 10:22:33,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:22:33,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-10-28 10:22:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 467. [2020-10-28 10:22:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-28 10:22:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 720 transitions. [2020-10-28 10:22:33,418 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 720 transitions. Word has length 190 [2020-10-28 10:22:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:22:33,419 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 720 transitions. [2020-10-28 10:22:33,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:22:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 720 transitions. [2020-10-28 10:22:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-28 10:22:33,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:22:33,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:22:33,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:22:33,429 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:22:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:22:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash 2141534139, now seen corresponding path program 1 times [2020-10-28 10:22:33,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:22:33,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483461748] [2020-10-28 10:22:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:22:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:33,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:34,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:34,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:35,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:35,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-28 10:22:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:22:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2146 [2020-10-28 10:22:35,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:35,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:22:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 10:22:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 10:22:35,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:36,163 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:22:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:22:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:36,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:36,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:22:36,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:36,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 10:22:36,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:36,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:22:36,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:36,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:22:36,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:22:36,364 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:22:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:22:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:36,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:36,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 10:22:36,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:36,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 10:22:36,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:36,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:22:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 10:22:36,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:22:36,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483461748] [2020-10-28 10:22:36,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:22:36,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:22:36,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913585926] [2020-10-28 10:22:36,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:22:36,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:22:36,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:22:36,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:22:36,614 INFO L87 Difference]: Start difference. First operand 467 states and 720 transitions. Second operand 5 states. [2020-10-28 10:22:37,067 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:22:40,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:22:40,625 INFO L93 Difference]: Finished difference Result 1376 states and 2150 transitions. [2020-10-28 10:22:40,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:22:40,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-10-28 10:22:40,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:22:40,634 INFO L225 Difference]: With dead ends: 1376 [2020-10-28 10:22:40,634 INFO L226 Difference]: Without dead ends: 915 [2020-10-28 10:22:40,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:22:40,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-28 10:22:40,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 895. [2020-10-28 10:22:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-28 10:22:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1356 transitions. [2020-10-28 10:22:40,680 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1356 transitions. Word has length 194 [2020-10-28 10:22:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:22:40,680 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1356 transitions. [2020-10-28 10:22:40,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:22:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1356 transitions. [2020-10-28 10:22:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-28 10:22:40,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:22:40,686 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:22:40,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:22:40,686 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:22:40,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:22:40,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1033302977, now seen corresponding path program 1 times [2020-10-28 10:22:40,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:22:40,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883470565] [2020-10-28 10:22:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:22:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:40,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:41,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:43,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:43,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-28 10:22:43,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:22:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2277 [2020-10-28 10:22:43,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:43,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:22:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 10:22:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 10:22:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:43,371 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:22:43,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:22:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:43,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:43,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:43,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:22:43,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:22:43,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:43,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:22:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:22:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:43,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:22:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:43,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:43,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:43,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 10:22:43,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 10:22:43,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:43,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:22:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 10:22:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:22:43,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883470565] [2020-10-28 10:22:43,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:22:43,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:22:43,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934007872] [2020-10-28 10:22:43,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:22:43,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:22:43,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:22:43,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:22:43,637 INFO L87 Difference]: Start difference. First operand 895 states and 1356 transitions. Second operand 6 states. [2020-10-28 10:22:44,064 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:22:45,627 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:22:48,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:22:48,849 INFO L93 Difference]: Finished difference Result 3497 states and 5438 transitions. [2020-10-28 10:22:48,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:22:48,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2020-10-28 10:22:48,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:22:48,873 INFO L225 Difference]: With dead ends: 3497 [2020-10-28 10:22:48,873 INFO L226 Difference]: Without dead ends: 2608 [2020-10-28 10:22:48,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:22:48,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2020-10-28 10:22:48,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2572. [2020-10-28 10:22:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2572 states. [2020-10-28 10:22:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 3891 transitions. [2020-10-28 10:22:48,981 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 3891 transitions. Word has length 197 [2020-10-28 10:22:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:22:48,981 INFO L481 AbstractCegarLoop]: Abstraction has 2572 states and 3891 transitions. [2020-10-28 10:22:48,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:22:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 3891 transitions. [2020-10-28 10:22:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 10:22:48,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:22:48,991 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:22:48,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:22:48,991 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:22:48,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:22:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash 647567646, now seen corresponding path program 1 times [2020-10-28 10:22:48,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:22:48,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987698517] [2020-10-28 10:22:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:22:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:49,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:50,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:53,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:53,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:54,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:54,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 10:22:54,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:22:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 10:22:54,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:54,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:22:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 10:22:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-28 10:22:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:54,383 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:22:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:22:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:54,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:54,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:54,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:22:54,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:22:54,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:54,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:22:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:22:54,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:54,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:22:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:54,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:54,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:54,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 10:22:54,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 10:22:54,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:54,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:22:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:22:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 10:22:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:54,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 10:22:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:54,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:22:54,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:22:54,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:22:54,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 10:22:54,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:22:54,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:22:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:22:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:22:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 10:22:54,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:22:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:22:54,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987698517] [2020-10-28 10:22:54,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:22:54,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:22:54,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359483171] [2020-10-28 10:22:54,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:22:54,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:22:54,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:22:54,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:22:54,740 INFO L87 Difference]: Start difference. First operand 2572 states and 3891 transitions. Second operand 6 states. [2020-10-28 10:22:55,237 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-28 10:22:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:22:58,728 INFO L93 Difference]: Finished difference Result 7092 states and 11161 transitions. [2020-10-28 10:22:58,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:22:58,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2020-10-28 10:22:58,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:22:58,767 INFO L225 Difference]: With dead ends: 7092 [2020-10-28 10:22:58,768 INFO L226 Difference]: Without dead ends: 4526 [2020-10-28 10:22:58,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:22:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4526 states. [2020-10-28 10:22:58,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4526 to 4488. [2020-10-28 10:22:58,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4488 states. [2020-10-28 10:22:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4488 states and 6649 transitions. [2020-10-28 10:22:58,970 INFO L78 Accepts]: Start accepts. Automaton has 4488 states and 6649 transitions. Word has length 204 [2020-10-28 10:22:58,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:22:58,971 INFO L481 AbstractCegarLoop]: Abstraction has 4488 states and 6649 transitions. [2020-10-28 10:22:58,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:22:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 6649 transitions. [2020-10-28 10:22:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-28 10:22:58,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:22:58,986 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:22:58,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:22:58,986 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:22:58,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:22:58,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1865195482, now seen corresponding path program 1 times [2020-10-28 10:22:58,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:22:58,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932042322] [2020-10-28 10:22:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:22:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:22:59,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:22:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:00,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:01,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:04,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:04,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 10:23:04,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:23:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 10:23:04,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:04,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:23:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 10:23:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 10:23:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:04,370 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:23:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:23:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:04,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:04,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:04,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:23:04,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:23:04,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:04,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:23:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:23:04,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:04,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:23:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:04,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:04,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:23:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:23:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 10:23:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:04,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:04,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:04,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:23:04,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:04,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:23:04,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:04,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:23:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 10:23:04,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 10:23:04,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932042322] [2020-10-28 10:23:04,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:23:04,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:23:04,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802849821] [2020-10-28 10:23:04,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:23:04,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:23:04,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:23:04,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:23:04,643 INFO L87 Difference]: Start difference. First operand 4488 states and 6649 transitions. Second operand 6 states. [2020-10-28 10:23:04,974 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:23:05,393 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:23:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:23:10,142 INFO L93 Difference]: Finished difference Result 14847 states and 23021 transitions. [2020-10-28 10:23:10,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:23:10,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2020-10-28 10:23:10,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:23:10,230 INFO L225 Difference]: With dead ends: 14847 [2020-10-28 10:23:10,230 INFO L226 Difference]: Without dead ends: 10365 [2020-10-28 10:23:10,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:23:10,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10365 states. [2020-10-28 10:23:10,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10365 to 10359. [2020-10-28 10:23:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10359 states. [2020-10-28 10:23:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10359 states to 10359 states and 15766 transitions. [2020-10-28 10:23:10,675 INFO L78 Accepts]: Start accepts. Automaton has 10359 states and 15766 transitions. Word has length 206 [2020-10-28 10:23:10,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:23:10,676 INFO L481 AbstractCegarLoop]: Abstraction has 10359 states and 15766 transitions. [2020-10-28 10:23:10,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:23:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 10359 states and 15766 transitions. [2020-10-28 10:23:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-28 10:23:10,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:23:10,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:23:10,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:23:10,710 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:23:10,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:23:10,711 INFO L82 PathProgramCache]: Analyzing trace with hash 677695788, now seen corresponding path program 1 times [2020-10-28 10:23:10,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:23:10,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443561126] [2020-10-28 10:23:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:23:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:10,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:11,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:12,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:12,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-28 10:23:12,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:23:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2153 [2020-10-28 10:23:12,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:12,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:23:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 10:23:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 10:23:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:13,334 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:23:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:23:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:13,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:13,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:23:13,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:23:13,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:13,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:23:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:23:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:13,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:23:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:13,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:13,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 10:23:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:23:13,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443561126] [2020-10-28 10:23:13,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:23:13,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:23:13,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763917367] [2020-10-28 10:23:13,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:23:13,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:23:13,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:23:13,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:23:13,579 INFO L87 Difference]: Start difference. First operand 10359 states and 15766 transitions. Second operand 5 states. [2020-10-28 10:23:13,864 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:23:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:23:17,718 INFO L93 Difference]: Finished difference Result 27627 states and 43444 transitions. [2020-10-28 10:23:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:23:17,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-28 10:23:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:23:17,818 INFO L225 Difference]: With dead ends: 27627 [2020-10-28 10:23:17,818 INFO L226 Difference]: Without dead ends: 17274 [2020-10-28 10:23:17,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:23:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17274 states. [2020-10-28 10:23:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17274 to 16440. [2020-10-28 10:23:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16440 states. [2020-10-28 10:23:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16440 states to 16440 states and 24946 transitions. [2020-10-28 10:23:18,564 INFO L78 Accepts]: Start accepts. Automaton has 16440 states and 24946 transitions. Word has length 214 [2020-10-28 10:23:18,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:23:18,565 INFO L481 AbstractCegarLoop]: Abstraction has 16440 states and 24946 transitions. [2020-10-28 10:23:18,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:23:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 16440 states and 24946 transitions. [2020-10-28 10:23:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-28 10:23:18,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:23:18,633 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:23:18,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:23:18,634 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:23:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:23:18,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1079476603, now seen corresponding path program 1 times [2020-10-28 10:23:18,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:23:18,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306517266] [2020-10-28 10:23:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:23:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:18,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:18,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:20,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:23,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:23,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 10:23:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:23:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 10:23:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:23,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:23:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 10:23:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 10:23:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:24,050 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:23:24,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:23:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:24,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:24,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:23:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:23:24,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:24,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:23:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:24,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:24,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:24,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 10:23:24,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:23:24,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:24,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:23:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:23:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:23:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 10:23:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:24,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:24,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:24,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 10:23:24,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 10:23:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:24,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:23:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 10:23:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 10:23:24,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306517266] [2020-10-28 10:23:24,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:23:24,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:23:24,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895271832] [2020-10-28 10:23:24,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:23:24,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:23:24,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:23:24,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:23:24,424 INFO L87 Difference]: Start difference. First operand 16440 states and 24946 transitions. Second operand 5 states. [2020-10-28 10:23:24,673 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:23:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:23:28,040 INFO L93 Difference]: Finished difference Result 39799 states and 61956 transitions. [2020-10-28 10:23:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:23:28,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2020-10-28 10:23:28,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:23:28,167 INFO L225 Difference]: With dead ends: 39799 [2020-10-28 10:23:28,167 INFO L226 Difference]: Without dead ends: 23365 [2020-10-28 10:23:28,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:23:28,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23365 states. [2020-10-28 10:23:28,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23365 to 20870. [2020-10-28 10:23:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20870 states. [2020-10-28 10:23:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20870 states to 20870 states and 31255 transitions. [2020-10-28 10:23:28,994 INFO L78 Accepts]: Start accepts. Automaton has 20870 states and 31255 transitions. Word has length 234 [2020-10-28 10:23:28,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:23:28,995 INFO L481 AbstractCegarLoop]: Abstraction has 20870 states and 31255 transitions. [2020-10-28 10:23:28,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:23:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20870 states and 31255 transitions. [2020-10-28 10:23:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-28 10:23:29,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:23:29,083 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:23:29,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 10:23:29,084 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:23:29,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:23:29,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1851322199, now seen corresponding path program 1 times [2020-10-28 10:23:29,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:23:29,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651502183] [2020-10-28 10:23:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:23:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:29,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:30,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:30,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 10:23:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-28 10:23:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:30,779 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:23:30,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:23:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:30,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:30,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:23:30,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 10:23:30,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:30,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:23:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:23:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:23:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:30,937 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:23:30,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:23:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:23:31,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:23:31,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:23:31,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 10:23:31,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:23:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-28 10:23:31,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:23:31,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:23:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:23:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:23:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-28 10:23:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:23:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:23:31,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651502183] [2020-10-28 10:23:31,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:23:31,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 10:23:31,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122191559] [2020-10-28 10:23:31,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:23:31,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:23:31,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:23:31,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:23:31,331 INFO L87 Difference]: Start difference. First operand 20870 states and 31255 transitions. Second operand 7 states. [2020-10-28 10:23:31,599 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:23:34,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:23:34,017 INFO L93 Difference]: Finished difference Result 38337 states and 57101 transitions. [2020-10-28 10:23:34,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 10:23:34,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-10-28 10:23:34,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:23:34,019 INFO L225 Difference]: With dead ends: 38337 [2020-10-28 10:23:34,019 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:23:34,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:23:34,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:23:34,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:23:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:23:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:23:34,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-10-28 10:23:34,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:23:34,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:23:34,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:23:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:23:34,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:23:34,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 10:23:34,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:23:36,379 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2020-10-28 10:23:36,808 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 51 [2020-10-28 10:23:37,108 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 51 [2020-10-28 10:23:37,569 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2020-10-28 10:23:40,736 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 398 DAG size of output: 119 [2020-10-28 10:23:40,894 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-10-28 10:23:41,102 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:23:41,235 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-10-28 10:23:41,816 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 35 [2020-10-28 10:23:41,821 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:23:41,821 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:23:41,821 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:23:41,821 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:23:41,821 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:23:41,822 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:23:41,822 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:23:41,822 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,822 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,822 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,822 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,822 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L270 CegarLoopResult]: At program point L1556(line 1556) the Hoare annotation is: (let ((.cse2 (not (= |old(~a6~0)| 1))) (.cse0 (not (= |old(~a5~0)| 1))) (.cse1 (not (<= |old(~a27~0)| 0))) (.cse3 (= |old(~a3~0)| 1))) (and (or (= |old(~a12~0)| 1) .cse0) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= |old(~a26~0)| 1)) (not (<= 1 |old(~a26~0)|))) (= ~a18~0 1) (or .cse0 .cse3 .cse2 (not (= |old(~a11~0)| |old(~a12~0)|))) (or .cse0 (not (<= 2 |old(~a3~0)|))) (or .cse0 .cse1 .cse3))) [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L1556-1(line 1556) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,823 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,824 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-28 10:23:41,825 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,826 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:23:41,827 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,828 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,829 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-28 10:23:41,830 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-28 10:23:41,831 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-28 10:23:41,832 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:23:41,832 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:23:41,832 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,832 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,832 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,832 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a26~0 |old(~a26~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a6~0 |old(~a6~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|)) (.cse6 (= ~a29~0 |old(~a29~0)|)) (.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a0~0 |old(~a0~0)|)) (.cse10 (= ~a3~0 |old(~a3~0)|)) (.cse11 (= ~a9~0 |old(~a9~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a5~0 |old(~a5~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a4~0 |old(~a4~0)|)) (.cse16 (= ~a2~0 |old(~a2~0)|)) (.cse17 (= ~a17~0 |old(~a17~0)|)) (.cse18 (= ~a14~0 |old(~a14~0)|)) (.cse19 (= ~a25~0 |old(~a25~0)|)) (.cse20 (= ~a23~0 |old(~a23~0)|)) (.cse21 (= ~a12~0 |old(~a12~0)|)) (.cse22 (= ~a15~0 |old(~a15~0)|)) (.cse23 (= ~a13~0 |old(~a13~0)|)) (.cse24 (= ~a24~0 |old(~a24~0)|)) (.cse25 (= ~a20~0 |old(~a20~0)|)) (.cse26 (= ~a22~0 |old(~a22~0)|)) (.cse27 (= ~a10~0 |old(~a10~0)|)) (.cse28 (= ~a27~0 |old(~a27~0)|))) (let ((.cse29 (= |old(~a3~0)| 1)) (.cse0 (not (= |old(~a5~0)| 1))) (.cse31 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= ~a11~0 |old(~a11~0)|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28)) (.cse32 (not (<= |old(~a27~0)| 0))) (.cse30 (not (= |old(~a6~0)| 1)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (= ~a12~0 ~a11~0) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28) .cse29 .cse30 (not (= |old(~a11~0)| |old(~a12~0)|))) (or .cse31 (= ~a18~0 1)) (or .cse0 .cse31 (not (<= |old(~a26~0)| 1)) (not (<= 1 |old(~a26~0)|))) (or .cse0 .cse31 (not (<= 2 |old(~a3~0)|))) (or .cse0 .cse31 .cse32 .cse29) (or (= |old(~a12~0)| 1) .cse0 .cse31) (or .cse0 .cse31 .cse32 .cse30)))) [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,833 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,834 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,835 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,836 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,837 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-28 10:23:41,838 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-28 10:23:41,839 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-28 10:23:41,840 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,841 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,842 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,843 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,844 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-28 10:23:41,845 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-28 10:23:41,846 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,847 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a5~0 1) (not (= ~a12~0 1)) (= ~a12~0 ~a11~0)) [2020-10-28 10:23:41,848 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:23:41,848 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-28 10:23:41,849 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a12~0 ~a11~0) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= |old(~a11~0)| |old(~a12~0)|))) [2020-10-28 10:23:41,849 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse2 (not (= ~a3~0 1))) (.cse1 (<= ~a27~0 0)) (.cse3 (= ~a6~0 1)) (.cse0 (= ~a5~0 |old(~a5~0)|))) (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse0 (= ~a12~0 ~a11~0) .cse3 .cse2) (and (<= 2 ~a3~0) .cse0) (and .cse0 .cse1 .cse3) (and .cse0 (<= 1 ~a26~0) (<= ~a26~0 1)) (not (= ~a18~0 1)) (and .cse0 (not (= ~a12~0 1))) (not (= |old(~a11~0)| |old(~a12~0)|)))) [2020-10-28 10:23:41,849 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:23:41,849 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:23:41,849 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse2 (not (= ~a3~0 1))) (.cse1 (<= ~a27~0 0)) (.cse3 (= ~a6~0 1)) (.cse0 (= ~a5~0 |old(~a5~0)|))) (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse0 (= ~a12~0 ~a11~0) .cse3 .cse2) (and (<= 2 ~a3~0) .cse0) (and .cse0 .cse1 .cse3) (and .cse0 (<= 1 ~a26~0) (<= ~a26~0 1)) (not (= ~a18~0 1)) (and .cse0 (not (= ~a12~0 1))) (not (= |old(~a11~0)| |old(~a12~0)|)))) [2020-10-28 10:23:41,849 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-28 10:23:41,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:23:41 BoogieIcfgContainer [2020-10-28 10:23:41,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:23:41,874 INFO L168 Benchmark]: Toolchain (without parser) took 91439.72 ms. Allocated memory was 151.0 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 120.2 MB in the beginning and 1.0 GB in the end (delta: -919.4 MB). Peak memory consumption was 850.8 MB. Max. memory is 8.0 GB. [2020-10-28 10:23:41,875 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:23:41,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1238.80 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 92.6 MB in the end (delta: 26.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:23:41,883 INFO L168 Benchmark]: Boogie Preprocessor took 222.01 ms. Allocated memory is still 151.0 MB. Free memory was 92.6 MB in the beginning and 81.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:23:41,888 INFO L168 Benchmark]: RCFGBuilder took 2879.24 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 81.1 MB in the beginning and 80.9 MB in the end (delta: 159.3 kB). Peak memory consumption was 56.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:23:41,892 INFO L168 Benchmark]: TraceAbstraction took 87087.10 ms. Allocated memory was 188.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 80.4 MB in the beginning and 1.0 GB in the end (delta: -959.2 MB). Peak memory consumption was 772.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:23:41,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1238.80 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 92.6 MB in the end (delta: 26.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 222.01 ms. Allocated memory is still 151.0 MB. Free memory was 92.6 MB in the beginning and 81.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2879.24 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 81.1 MB in the beginning and 80.9 MB in the end (delta: 159.3 kB). Peak memory consumption was 56.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 87087.10 ms. Allocated memory was 188.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 80.4 MB in the beginning and 1.0 GB in the end (delta: -959.2 MB). Peak memory consumption was 772.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((\old(a12) == 1 || !(\old(a5) == 1)) || ((a5 == \old(a5) && a27 <= 0) && !(a3 == 1))) || (((a5 == \old(a5) && a12 == a11) && a6 == 1) && !(a3 == 1))) || (2 <= a3 && a5 == \old(a5))) || ((a5 == \old(a5) && a27 <= 0) && a6 == 1)) || ((a5 == \old(a5) && 1 <= a26) && a26 <= 1)) || !(a18 == 1)) || (a5 == \old(a5) && !(a12 == 1))) || !(\old(a11) == \old(a12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 79.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 37.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 395 SDtfs, 3840 SDslu, 474 SDs, 0 SdLazy, 13217 SolverSat, 1640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20870occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 3442 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 723 PreInvPairs, 895 NumberOfFragments, 1189 HoareAnnotationTreeSize, 723 FomulaSimplifications, 429080 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 18878 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.8s InterpolantComputationTime, 1896 NumberOfCodeBlocks, 1896 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1887 ConstructedInterpolants, 0 QuantifiedInterpolants, 1807242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 262/277 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...