/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:31:57,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:31:57,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:31:57,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:31:57,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:31:57,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:31:57,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:31:57,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:31:57,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:31:57,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:31:57,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:31:57,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:31:57,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:31:57,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:31:57,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:31:57,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:31:57,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:31:57,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:31:57,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:31:57,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:31:57,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:31:57,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:31:57,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:31:57,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:31:57,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:31:57,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:31:57,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:31:57,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:31:57,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:31:57,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:31:57,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:31:57,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:31:57,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:31:57,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:31:57,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:31:57,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:31:57,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:31:57,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:31:57,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:31:57,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:31:57,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:31:57,851 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 [2020-10-27 15:31:57,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:31:57,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:31:57,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:31:57,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:31:57,903 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:31:57,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:31:57,904 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:31:57,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:31:57,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:31:57,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:31:57,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:31:57,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:31:57,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:31:57,905 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:31:57,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:31:57,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:31:57,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:31:57,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:31:57,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:31:57,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:31:57,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:31:57,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:31:57,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:31:57,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:31:57,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:31:57,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:31:57,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:31:57,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:31:57,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:31:57,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:31:58,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:31:58,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:31:58,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:31:58,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:31:58,389 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:31:58,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-10-27 15:31:58,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3736c3eb8/9c43de237d654e21b88022b5354311b0/FLAGd19df4624 [2020-10-27 15:31:59,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:31:59,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-10-27 15:31:59,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3736c3eb8/9c43de237d654e21b88022b5354311b0/FLAGd19df4624 [2020-10-27 15:31:59,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3736c3eb8/9c43de237d654e21b88022b5354311b0 [2020-10-27 15:31:59,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:31:59,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:31:59,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:31:59,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:31:59,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:31:59,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:31:59" (1/1) ... [2020-10-27 15:31:59,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ebfd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:59, skipping insertion in model container [2020-10-27 15:31:59,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:31:59" (1/1) ... [2020-10-27 15:31:59,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:31:59,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:31:59,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:31:59,986 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:32:00,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:32:00,161 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:32:00,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00 WrapperNode [2020-10-27 15:32:00,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:32:00,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:32:00,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:32:00,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:32:00,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:32:00,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:32:00,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:32:00,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:32:00,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (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 [2020-10-27 15:32:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:32:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:32:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:32:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:32:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:32:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:32:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:32:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:32:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:32:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:32:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:32:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:32:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:32:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:32:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:32:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:32:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:32:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:32:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:32:01,760 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:32:01,760 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:32:01,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:32:01 BoogieIcfgContainer [2020-10-27 15:32:01,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:32:01,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:32:01,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:32:01,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:32:01,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:31:59" (1/3) ... [2020-10-27 15:32:01,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe4e70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:32:01, skipping insertion in model container [2020-10-27 15:32:01,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00" (2/3) ... [2020-10-27 15:32:01,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe4e70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:32:01, skipping insertion in model container [2020-10-27 15:32:01,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:32:01" (3/3) ... [2020-10-27 15:32:01,778 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-10-27 15:32:01,792 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:32:01,798 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:32:01,813 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:32:01,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:32:01,846 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:32:01,846 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:32:01,846 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:32:01,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:32:01,847 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:32:01,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:32:01,847 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:32:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:32:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 15:32:01,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:01,888 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] [2020-10-27 15:32:01,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:01,896 INFO L82 PathProgramCache]: Analyzing trace with hash 590752899, now seen corresponding path program 1 times [2020-10-27 15:32:01,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:01,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532271342] [2020-10-27 15:32:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:02,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:04,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:04,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 15:32:04,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:32:04,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2123 [2020-10-27 15:32:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:32:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:32:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 15:32:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:32:04,623 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:32:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:04,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:04,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:04,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:04,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 15:32:04,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:32:04,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:32:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:04,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532271342] [2020-10-27 15:32:04,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:32:04,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:32:04,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192111813] [2020-10-27 15:32:04,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:32:04,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:04,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:32:04,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:32:04,834 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-27 15:32:06,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:06,847 INFO L93 Difference]: Finished difference Result 562 states and 961 transitions. [2020-10-27 15:32:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:32:06,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-10-27 15:32:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:06,878 INFO L225 Difference]: With dead ends: 562 [2020-10-27 15:32:06,878 INFO L226 Difference]: Without dead ends: 287 [2020-10-27 15:32:06,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:32:06,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-27 15:32:06,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2020-10-27 15:32:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-27 15:32:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2020-10-27 15:32:06,971 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 123 [2020-10-27 15:32:06,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:06,972 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2020-10-27 15:32:06,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:32:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2020-10-27 15:32:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 15:32:06,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:06,978 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] [2020-10-27 15:32:06,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:32:06,979 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:06,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1236842843, now seen corresponding path program 1 times [2020-10-27 15:32:06,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:06,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424191550] [2020-10-27 15:32:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:07,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:07,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:07,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:08,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:08,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 15:32:08,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:32:08,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1924 [2020-10-27 15:32:08,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:08,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:32:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 15:32:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:09,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:09,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:09,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:09,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:09,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:32:09,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:09,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:09,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:09,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:32:09,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:09,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:32:09,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:09,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:32:09,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:09,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424191550] [2020-10-27 15:32:09,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:09,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:32:09,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995778840] [2020-10-27 15:32:09,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:32:09,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:09,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:32:09,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:09,346 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 6 states. [2020-10-27 15:32:09,492 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 15:32:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:11,582 INFO L93 Difference]: Finished difference Result 1112 states and 1590 transitions. [2020-10-27 15:32:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:32:11,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-10-27 15:32:11,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:11,607 INFO L225 Difference]: With dead ends: 1112 [2020-10-27 15:32:11,607 INFO L226 Difference]: Without dead ends: 835 [2020-10-27 15:32:11,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:32:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-27 15:32:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 694. [2020-10-27 15:32:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-27 15:32:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 960 transitions. [2020-10-27 15:32:11,706 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 960 transitions. Word has length 131 [2020-10-27 15:32:11,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:11,707 INFO L481 AbstractCegarLoop]: Abstraction has 694 states and 960 transitions. [2020-10-27 15:32:11,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:32:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 960 transitions. [2020-10-27 15:32:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 15:32:11,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:11,721 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:11,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:32:11,721 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:11,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1908245216, now seen corresponding path program 1 times [2020-10-27 15:32:11,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:11,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812289374] [2020-10-27 15:32:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:11,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:11,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:12,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:14,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:14,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 15:32:14,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:32:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3152 [2020-10-27 15:32:14,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 15:32:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 15:32:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:15,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:15,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:15,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:32:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:32:15,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:15,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:15,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:15,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:32:15,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:15,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:32:15,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:15,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:32:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:15,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:15,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 15:32:15,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:32:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 15:32:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:32:15,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812289374] [2020-10-27 15:32:15,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:15,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:32:15,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024025716] [2020-10-27 15:32:15,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:32:15,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:15,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:32:15,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:32:15,232 INFO L87 Difference]: Start difference. First operand 694 states and 960 transitions. Second operand 5 states. [2020-10-27 15:32:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:16,796 INFO L93 Difference]: Finished difference Result 1797 states and 2507 transitions. [2020-10-27 15:32:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:32:16,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-27 15:32:16,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:16,808 INFO L225 Difference]: With dead ends: 1797 [2020-10-27 15:32:16,808 INFO L226 Difference]: Without dead ends: 1109 [2020-10-27 15:32:16,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-27 15:32:16,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 833. [2020-10-27 15:32:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-10-27 15:32:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1158 transitions. [2020-10-27 15:32:16,867 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1158 transitions. Word has length 154 [2020-10-27 15:32:16,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:16,868 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1158 transitions. [2020-10-27 15:32:16,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:32:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1158 transitions. [2020-10-27 15:32:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 15:32:16,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:16,874 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:16,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:32:16,875 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:16,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:16,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1571789689, now seen corresponding path program 1 times [2020-10-27 15:32:16,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:16,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892133462] [2020-10-27 15:32:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:16,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:17,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:18,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:19,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 15:32:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:32:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2821 [2020-10-27 15:32:19,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 15:32:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 15:32:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:19,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:19,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:19,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:32:19,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:19,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:20,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:20,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:20,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:32:20,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:32:20,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:20,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:32:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:20,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:20,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:20,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 15:32:20,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:20,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 15:32:20,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 15:32:20,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:32:20,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892133462] [2020-10-27 15:32:20,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:20,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:32:20,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458582825] [2020-10-27 15:32:20,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:32:20,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:20,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:32:20,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:20,470 INFO L87 Difference]: Start difference. First operand 833 states and 1158 transitions. Second operand 6 states. [2020-10-27 15:32:21,131 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:32:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:21,974 INFO L93 Difference]: Finished difference Result 1738 states and 2470 transitions. [2020-10-27 15:32:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:32:21,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2020-10-27 15:32:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:21,981 INFO L225 Difference]: With dead ends: 1738 [2020-10-27 15:32:21,981 INFO L226 Difference]: Without dead ends: 837 [2020-10-27 15:32:21,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:32:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-10-27 15:32:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 833. [2020-10-27 15:32:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-10-27 15:32:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1155 transitions. [2020-10-27 15:32:22,024 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1155 transitions. Word has length 179 [2020-10-27 15:32:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:22,025 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1155 transitions. [2020-10-27 15:32:22,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:32:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1155 transitions. [2020-10-27 15:32:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-27 15:32:22,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:22,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:22,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:32:22,031 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:22,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:22,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1014309378, now seen corresponding path program 1 times [2020-10-27 15:32:22,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:22,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698942718] [2020-10-27 15:32:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:22,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:22,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:26,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:26,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 15:32:26,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:32:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4021 [2020-10-27 15:32:26,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 15:32:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 15:32:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:26,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:26,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:26,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:26,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:32:26,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:26,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:26,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:26,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 15:32:26,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:26,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 15:32:26,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 15:32:26,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:32:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:26,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698942718] [2020-10-27 15:32:26,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:26,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:32:26,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583563958] [2020-10-27 15:32:26,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:32:26,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:26,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:32:26,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:32:26,927 INFO L87 Difference]: Start difference. First operand 833 states and 1155 transitions. Second operand 5 states. [2020-10-27 15:32:27,721 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 15:32:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:28,394 INFO L93 Difference]: Finished difference Result 1609 states and 2259 transitions. [2020-10-27 15:32:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:32:28,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-27 15:32:28,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:28,397 INFO L225 Difference]: With dead ends: 1609 [2020-10-27 15:32:28,397 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:32:28,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:28,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:32:28,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:32:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:32:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:32:28,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-10-27 15:32:28,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:28,406 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:32:28,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:32:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:32:28,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:32:28,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:32:28,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:32:28,813 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 43 [2020-10-27 15:32:28,938 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 43 [2020-10-27 15:32:29,104 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 40 [2020-10-27 15:32:30,112 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 77 [2020-10-27 15:32:30,260 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-10-27 15:32:30,522 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-10-27 15:32:30,659 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-10-27 15:32:30,663 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:32:30,663 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:32:30,664 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:32:30,664 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:32:30,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:32:30,665 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:32:30,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:32:30,665 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:32:30,666 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:32:30,667 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:32:30,668 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:32:30,669 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:32:30,670 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:32:30,671 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,672 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,673 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,673 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:32:30,673 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:32:30,676 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:32:30,676 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:32:30,676 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:32:30,676 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:32:30,676 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,677 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:32:30,678 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,679 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:32:30,680 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:32:30,681 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:32:30,682 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:32:30,682 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:32:30,682 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:32:30,682 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:32:30,682 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,682 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse5 (and .cse1 .cse0 .cse2 .cse3 .cse4 .cse6)) (.cse7 (not (<= |old(~a17~0)| 0))) (.cse8 (not (= ~a12~0 8))) (.cse9 (not (<= |old(~a20~0)| 0)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or (= |old(~a7~0)| |old(~a21~0)|) .cse5) (or (not (= 14 |old(~a8~0)|)) (and .cse1 .cse0 (= ~a21~0 1) .cse3 .cse6 (= ~a16~0 4)) .cse7 (not (= |old(~a21~0)| 1)) .cse8 .cse9 (not (= 4 |old(~a16~0)|))) (or (not (= |old(~a20~0)| 1)) .cse5) (or (not (<= 5 |old(~a16~0)|)) (not (<= 14 |old(~a8~0)|)) (not (<= |old(~a21~0)| 1)) (not (<= |old(~a16~0)| 5)) (and (<= 1 ~a7~0) .cse0 .cse3 .cse4 .cse6 (<= ~a21~0 1) (<= 1 ~a21~0) (<= ~a7~0 1)) (not (<= 1 |old(~a7~0)|)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a7~0)| 1)) (not (<= |old(~a8~0)| 14)) .cse7 .cse8 .cse9)))) [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:32:30,683 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,684 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L270 CegarLoopResult]: At program point L526(line 526) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 0))) (.cse1 (not (= ~a12~0 8))) (.cse2 (not (<= |old(~a20~0)| 0)))) (and (= |old(~a7~0)| |old(~a21~0)|) (or (not (<= 5 |old(~a16~0)|)) (not (<= 14 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a7~0)| 1)) (not (<= |old(~a8~0)| 14)) .cse0 .cse1 .cse2) (or (not (= 14 |old(~a8~0)|)) .cse0 (not (= |old(~a21~0)| 1)) .cse1 .cse2 (not (= 4 |old(~a16~0)|))) (not (= |old(~a20~0)| 1)) (not (= 15 |old(~a8~0)|)))) [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:32:30,685 INFO L274 CegarLoopResult]: For program point L526-1(line 526) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,686 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:32:30,687 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:32:30,688 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (or (<= ~a7~0 0) (and (< 1 ~a7~0) (<= ~a21~0 1))) (= ~a8~0 15) (or (< 0 ~a7~0) (<= 1 ~a21~0)) (= ~a20~0 1)) [2020-10-27 15:32:30,689 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:32:30,689 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:32:30,689 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= |old(~a20~0)| 1)) (and (not (< 0 |old(~a7~0)|)) (not (<= 1 |old(~a21~0)|))) (and (not (<= |old(~a7~0)| 0)) (or (not (< 1 |old(~a7~0)|)) (not (<= |old(~a21~0)| 1)))) (not (= 15 |old(~a8~0)|))) [2020-10-27 15:32:30,689 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:32:30,689 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~a12~0 8)) (.cse1 (<= ~a17~0 0)) (.cse2 (<= ~a20~0 0))) (or (not (= ~a21~0 ~a7~0)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 1) (= 14 ~a8~0) .cse0 .cse1 (= ~a16~0 4) .cse2) (and (not (< 0 |old(~a7~0)|)) (not (<= 1 |old(~a21~0)|))) (= ~a8~0 15) (= ~a20~0 1) (and (<= 14 ~a8~0) (<= ~a8~0 14) (<= ~a16~0 5) .cse0 .cse1 (<= 1 ~a21~0) (<= 5 ~a16~0) (<= ~a7~0 1) .cse2) (and (not (<= |old(~a7~0)| 0)) (or (not (< 1 |old(~a7~0)|)) (not (<= |old(~a21~0)| 1)))) (not (= 15 |old(~a8~0)|)))) [2020-10-27 15:32:30,690 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:32:30,690 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:32:30,690 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a12~0 8)) (.cse1 (<= ~a17~0 0)) (.cse2 (<= ~a20~0 0))) (or (not (= ~a21~0 ~a7~0)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 1) (= 14 ~a8~0) .cse0 .cse1 (= ~a16~0 4) .cse2) (and (not (< 0 |old(~a7~0)|)) (not (<= 1 |old(~a21~0)|))) (= ~a8~0 15) (= ~a20~0 1) (and (<= 14 ~a8~0) (<= ~a8~0 14) (<= ~a16~0 5) .cse0 .cse1 (<= 1 ~a21~0) (<= 5 ~a16~0) (<= ~a7~0 1) .cse2) (and (not (<= |old(~a7~0)| 0)) (or (not (< 1 |old(~a7~0)|)) (not (<= |old(~a21~0)| 1)))) (not (= 15 |old(~a8~0)|)))) [2020-10-27 15:32:30,690 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:32:30,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:32:30 BoogieIcfgContainer [2020-10-27 15:32:30,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:32:30,722 INFO L168 Benchmark]: Toolchain (without parser) took 31224.89 ms. Allocated memory was 154.1 MB in the beginning and 615.5 MB in the end (delta: 461.4 MB). Free memory was 127.6 MB in the beginning and 381.8 MB in the end (delta: -254.1 MB). Peak memory consumption was 367.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:30,723 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 154.1 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:32:30,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.37 ms. Allocated memory is still 154.1 MB. Free memory was 126.9 MB in the beginning and 134.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:30,727 INFO L168 Benchmark]: Boogie Preprocessor took 124.79 ms. Allocated memory is still 154.1 MB. Free memory was 134.5 MB in the beginning and 129.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:30,728 INFO L168 Benchmark]: RCFGBuilder took 1475.89 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 129.3 MB in the beginning and 141.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:30,729 INFO L168 Benchmark]: TraceAbstraction took 28949.69 ms. Allocated memory was 185.6 MB in the beginning and 615.5 MB in the end (delta: 429.9 MB). Free memory was 140.5 MB in the beginning and 381.8 MB in the end (delta: -241.3 MB). Peak memory consumption was 348.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:30,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 154.1 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 660.37 ms. Allocated memory is still 154.1 MB. Free memory was 126.9 MB in the beginning and 134.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 124.79 ms. Allocated memory is still 154.1 MB. Free memory was 134.5 MB in the beginning and 129.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1475.89 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 129.3 MB in the beginning and 141.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28949.69 ms. Allocated memory was 185.6 MB in the beginning and 615.5 MB in the end (delta: 429.9 MB). Free memory was 140.5 MB in the beginning and 381.8 MB in the end (delta: -241.3 MB). Peak memory consumption was 348.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((!(a21 == a7) || !(\old(a20) == 1)) || (((((a7 == 1 && 14 == a8) && a12 == 8) && a17 <= 0) && a16 == 4) && a20 <= 0)) || (!(0 < \old(a7)) && !(1 <= \old(a21)))) || a8 == 15) || a20 == 1) || ((((((((14 <= a8 && a8 <= 14) && a16 <= 5) && a12 == 8) && a17 <= 0) && 1 <= a21) && 5 <= a16) && a7 <= 1) && a20 <= 0)) || (!(\old(a7) <= 0) && (!(1 < \old(a7)) || !(\old(a21) <= 1)))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 1680 SDslu, 91 SDs, 0 SdLazy, 2908 SolverSat, 513 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=833occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 425 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 67 PreInvPairs, 83 NumberOfFragments, 604 HoareAnnotationTreeSize, 67 FomulaSimplifications, 9891 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1159 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 783 NumberOfCodeBlocks, 783 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 778 ConstructedInterpolants, 0 QuantifiedInterpolants, 1174637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 166/172 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...