/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/reducercommutativity/sum05-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:44:11,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:44:11,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:44:11,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:44:11,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:44:11,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:44:11,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:44:11,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:44:11,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:44:11,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:44:11,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:44:11,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:44:11,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:44:11,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:44:11,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:44:11,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:44:11,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:44:11,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:44:11,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:44:11,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:44:11,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:44:11,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:44:11,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:44:11,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:44:11,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:44:11,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:44:11,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:44:11,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:44:11,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:44:11,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:44:11,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:44:11,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:44:11,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:44:11,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:44:11,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:44:11,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:44:11,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:44:11,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:44:11,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:44:11,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:44:11,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:44:11,212 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 22:44:11,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:44:11,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:44:11,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:44:11,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:44:11,266 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:44:11,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:44:11,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:44:11,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:44:11,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:44:11,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:44:11,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:44:11,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:44:11,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:44:11,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:44:11,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:44:11,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:44:11,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:44:11,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:44:11,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:44:11,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:44:11,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:44:11,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:44:11,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:44:11,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:44:11,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:44:11,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:44:11,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:44:11,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:44:11,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:44:11,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:44:11,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:44:11,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:44:11,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:44:11,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:44:11,757 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:44:11,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i [2020-10-27 22:44:11,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12064609d/cb9ec09e725d4b38baa62aa10040f25b/FLAG184b78524 [2020-10-27 22:44:12,545 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:44:12,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/reducercommutativity/sum05-2.i [2020-10-27 22:44:12,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12064609d/cb9ec09e725d4b38baa62aa10040f25b/FLAG184b78524 [2020-10-27 22:44:12,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12064609d/cb9ec09e725d4b38baa62aa10040f25b [2020-10-27 22:44:12,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:44:12,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:44:12,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:44:12,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:44:12,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:44:12,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:44:12" (1/1) ... [2020-10-27 22:44:12,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c0cb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:12, skipping insertion in model container [2020-10-27 22:44:12,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:44:12" (1/1) ... [2020-10-27 22:44:12,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:44:12,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:44:13,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:44:13,149 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:44:13,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:44:13,191 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:44:13,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13 WrapperNode [2020-10-27 22:44:13,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:44:13,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:44:13,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:44:13,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:44:13,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (1/1) ... [2020-10-27 22:44:13,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:44:13,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:44:13,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:44:13,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:44:13,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (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 22:44:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:44:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:44:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:44:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-10-27 22:44:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:44:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:44:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:44:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:44:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:44:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:44:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:44:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:44:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:44:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:44:13,902 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:44:13,903 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-27 22:44:13,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:44:13 BoogieIcfgContainer [2020-10-27 22:44:13,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:44:13,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:44:13,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:44:13,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:44:13,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:44:12" (1/3) ... [2020-10-27 22:44:13,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66073e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:44:13, skipping insertion in model container [2020-10-27 22:44:13,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:44:13" (2/3) ... [2020-10-27 22:44:13,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66073e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:44:13, skipping insertion in model container [2020-10-27 22:44:13,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:44:13" (3/3) ... [2020-10-27 22:44:13,921 INFO L111 eAbstractionObserver]: Analyzing ICFG sum05-2.i [2020-10-27 22:44:13,935 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:44:13,941 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:44:13,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:44:14,035 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:44:14,036 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:44:14,036 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:44:14,036 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:44:14,036 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:44:14,036 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:44:14,036 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:44:14,036 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:44:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-27 22:44:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 22:44:14,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:14,071 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 22:44:14,071 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:14,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:14,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1900796497, now seen corresponding path program 1 times [2020-10-27 22:44:14,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:14,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193359144] [2020-10-27 22:44:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:14,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:14,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:14,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:14,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:14,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:14,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:15,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 22:44:15,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:44:15,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1509 [2020-10-27 22:44:15,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 22:44:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:44:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:15,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:44:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:15,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:15,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:15,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:15,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:44:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:44:15,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:44:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:15,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 22:44:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:15,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:44:15,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:44:15,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:44:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:15,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:15,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:44:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:15,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:15,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:44:15,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:15,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:44:15,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:44:15,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:44:15,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193359144] [2020-10-27 22:44:15,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:44:15,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:44:15,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845022289] [2020-10-27 22:44:15,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:44:15,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:16,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:44:16,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:44:16,028 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-10-27 22:44:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:16,150 INFO L93 Difference]: Finished difference Result 60 states and 80 transitions. [2020-10-27 22:44:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:44:16,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-27 22:44:16,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:16,161 INFO L225 Difference]: With dead ends: 60 [2020-10-27 22:44:16,161 INFO L226 Difference]: Without dead ends: 28 [2020-10-27 22:44:16,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:44:16,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-27 22:44:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-27 22:44:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-27 22:44:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-10-27 22:44:16,209 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 34 [2020-10-27 22:44:16,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:16,209 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-10-27 22:44:16,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:44:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-10-27 22:44:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 22:44:16,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:16,212 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 22:44:16,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:44:16,213 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:16,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:16,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1640105647, now seen corresponding path program 1 times [2020-10-27 22:44:16,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:16,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354401243] [2020-10-27 22:44:16,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:16,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:16,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:16,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:16,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:16,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:17,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 22:44:17,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:44:17,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-27 22:44:17,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:44:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 22:44:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:44:17,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:17,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:17,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:44:17,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:17,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:17,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:17,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:17,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:44:17,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:17,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:44:17,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:44:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:44:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:17,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 22:44:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:17,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:17,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:44:17,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:44:17,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:44:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:44:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:17,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:44:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:17,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:17,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:17,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:44:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:44:17,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:44:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:44:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:44:17,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354401243] [2020-10-27 22:44:17,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:44:17,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:44:17,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476782455] [2020-10-27 22:44:17,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:44:17,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:17,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:44:17,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:44:17,892 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2020-10-27 22:44:17,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:17,999 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2020-10-27 22:44:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 22:44:18,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-27 22:44:18,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:18,001 INFO L225 Difference]: With dead ends: 49 [2020-10-27 22:44:18,001 INFO L226 Difference]: Without dead ends: 30 [2020-10-27 22:44:18,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:44:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-27 22:44:18,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-27 22:44:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-27 22:44:18,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-10-27 22:44:18,013 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 34 [2020-10-27 22:44:18,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:18,013 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-10-27 22:44:18,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:44:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-10-27 22:44:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 22:44:18,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:18,015 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 22:44:18,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:44:18,015 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:18,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:18,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1866427439, now seen corresponding path program 1 times [2020-10-27 22:44:18,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:18,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630480231] [2020-10-27 22:44:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:18,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:18,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:18,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:21,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:44:21,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:44:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3492 [2020-10-27 22:44:21,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:44:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 22:44:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:44:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 22:44:21,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:21,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:21,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:44:21,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:21,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:21,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:21,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 22:44:21,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:44:21,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:44:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:44:21,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:21,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:44:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:21,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:21,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 22:44:21,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:21,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:44:21,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:44:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:44:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:21,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 22:44:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:21,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 22:44:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:44:21,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:44:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:44:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 22:44:21,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630480231] [2020-10-27 22:44:21,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:21,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 22:44:21,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115231165] [2020-10-27 22:44:21,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:44:21,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:21,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:44:21,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:44:21,712 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 5 states. [2020-10-27 22:44:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:21,939 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2020-10-27 22:44:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:44:21,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-27 22:44:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:21,940 INFO L225 Difference]: With dead ends: 52 [2020-10-27 22:44:21,941 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:44:21,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:44:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:44:21,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2020-10-27 22:44:21,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-27 22:44:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-10-27 22:44:21,959 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 40 [2020-10-27 22:44:21,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:21,959 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-10-27 22:44:21,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:44:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-10-27 22:44:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 22:44:21,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:21,964 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 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 22:44:21,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:44:21,965 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:21,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:21,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1194393741, now seen corresponding path program 2 times [2020-10-27 22:44:21,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:21,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19202631] [2020-10-27 22:44:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:21,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:22,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:22,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:22,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 22:44:27,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:44:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 22:44:27,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:44:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 22:44:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:44:27,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:27,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:27,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:27,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:27,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:44:27,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:27,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:44:27,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:27,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:44:27,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:27,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 22:44:27,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:44:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:44:27,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:44:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:44:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:27,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:44:27,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:27,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:44:27,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:44:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:44:27,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:27,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 22:44:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:27,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:27,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:44:27,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:27,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:44:27,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:44:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:27,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:44:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 22:44:27,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19202631] [2020-10-27 22:44:27,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:27,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 22:44:27,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202974355] [2020-10-27 22:44:27,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:44:27,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:27,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:44:27,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:44:27,251 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2020-10-27 22:44:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:27,486 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2020-10-27 22:44:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:44:27,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2020-10-27 22:44:27,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:27,487 INFO L225 Difference]: With dead ends: 56 [2020-10-27 22:44:27,488 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 22:44:27,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:44:27,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 22:44:27,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-10-27 22:44:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-27 22:44:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-27 22:44:27,503 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 46 [2020-10-27 22:44:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:27,504 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-27 22:44:27,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:44:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-27 22:44:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 22:44:27,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:27,509 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 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 22:44:27,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:44:27,509 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:27,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1945310827, now seen corresponding path program 3 times [2020-10-27 22:44:27,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:27,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886016796] [2020-10-27 22:44:27,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:27,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:28,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:32,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 22:44:32,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:44:32,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:44:32,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:44:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 22:44:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:44:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:32,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:32,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:32,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:32,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:44:32,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:32,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:32,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:44:32,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:44:32,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:44:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:44:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:32,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 22:44:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:32,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:32,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:44:32,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:32,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:44:32,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:44:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:44:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 22:44:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:32,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:32,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:32,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:44:32,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:32,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:44:32,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:44:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:44:32,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 27 proven. 54 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 22:44:32,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886016796] [2020-10-27 22:44:32,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:32,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:44:32,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693117684] [2020-10-27 22:44:32,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:44:32,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:32,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:44:32,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:44:32,754 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 7 states. [2020-10-27 22:44:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:33,003 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2020-10-27 22:44:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:44:33,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-27 22:44:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:33,006 INFO L225 Difference]: With dead ends: 60 [2020-10-27 22:44:33,006 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:44:33,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:44:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:44:33,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2020-10-27 22:44:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 22:44:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-10-27 22:44:33,023 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 52 [2020-10-27 22:44:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:33,024 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-10-27 22:44:33,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:44:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-10-27 22:44:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:44:33,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:33,027 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 3, 3, 3, 3, 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 22:44:33,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:44:33,028 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:33,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2080502327, now seen corresponding path program 4 times [2020-10-27 22:44:33,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:33,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564517744] [2020-10-27 22:44:33,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:33,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:33,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:33,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:34,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 22:44:38,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:44:38,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:44:38,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:44:38,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 22:44:38,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 22:44:38,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:38,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:38,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:44:38,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:38,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:44:38,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:44:38,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:44:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 22:44:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:44:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:44:38,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:38,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:44:38,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:44:38,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:38,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 22:44:38,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:44:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:44:38,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:38,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:44:38,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:44:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:44:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 22:44:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 48 proven. 96 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 22:44:38,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564517744] [2020-10-27 22:44:38,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:38,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:44:38,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938579957] [2020-10-27 22:44:38,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:44:38,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:38,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:44:38,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:44:38,294 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 8 states. [2020-10-27 22:44:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:38,596 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2020-10-27 22:44:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:44:38,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-27 22:44:38,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:38,598 INFO L225 Difference]: With dead ends: 63 [2020-10-27 22:44:38,598 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:44:38,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:44:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:44:38,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 22:44:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 22:44:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-27 22:44:38,606 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 58 [2020-10-27 22:44:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:38,606 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-27 22:44:38,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:44:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-27 22:44:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 22:44:38,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:38,608 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 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 22:44:38,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:44:38,608 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:38,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:38,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1013073575, now seen corresponding path program 5 times [2020-10-27 22:44:38,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:38,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15110525] [2020-10-27 22:44:38,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 22:44:38,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:38,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-27 22:44:38,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:44:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:44:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:44:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:38,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:44:38,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:38,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:38,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:44:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:44:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:38,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:38,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:39,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:44:39,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:44:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:39,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:39,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:44:39,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:44:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-27 22:44:39,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15110525] [2020-10-27 22:44:39,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:44:39,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:44:39,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324873035] [2020-10-27 22:44:39,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:44:39,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:39,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:44:39,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:44:39,032 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 4 states. [2020-10-27 22:44:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:39,108 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2020-10-27 22:44:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 22:44:39,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-10-27 22:44:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:39,110 INFO L225 Difference]: With dead ends: 62 [2020-10-27 22:44:39,110 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 22:44:39,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:44:39,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 22:44:39,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2020-10-27 22:44:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-27 22:44:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-10-27 22:44:39,118 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 64 [2020-10-27 22:44:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:39,120 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-10-27 22:44:39,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:44:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-10-27 22:44:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 22:44:39,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:39,121 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 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 22:44:39,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:44:39,122 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:39,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:39,122 INFO L82 PathProgramCache]: Analyzing trace with hash -570927963, now seen corresponding path program 1 times [2020-10-27 22:44:39,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:39,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882869418] [2020-10-27 22:44:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:39,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:44:39,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-27 22:44:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:44:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:44:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:44:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:39,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:39,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:44:39,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:39,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:39,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:44:39,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:39,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:44:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:39,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:39,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:39,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:44:39,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:39,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:44:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:39,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:39,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:44:39,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:44:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:39,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-27 22:44:39,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882869418] [2020-10-27 22:44:39,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:39,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 22:44:39,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58398951] [2020-10-27 22:44:39,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:44:39,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:39,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:44:39,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:44:39,760 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 5 states. [2020-10-27 22:44:39,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:39,857 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-10-27 22:44:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:44:39,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-27 22:44:39,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:39,859 INFO L225 Difference]: With dead ends: 64 [2020-10-27 22:44:39,859 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:44:39,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:44:39,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:44:39,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2020-10-27 22:44:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-27 22:44:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-10-27 22:44:39,867 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 66 [2020-10-27 22:44:39,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:39,868 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-10-27 22:44:39,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:44:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-10-27 22:44:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-27 22:44:39,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:39,869 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:44:39,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:44:39,870 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:39,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:39,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1916984099, now seen corresponding path program 2 times [2020-10-27 22:44:39,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:39,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109701039] [2020-10-27 22:44:39,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:39,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:39,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:40,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:40,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 22:44:40,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 713 [2020-10-27 22:44:40,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:44:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:44:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:44:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:40,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:40,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:40,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:40,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:44:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:40,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:40,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:40,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:40,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:40,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:44:40,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:40,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:44:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:40,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:40,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:40,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:40,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:44:40,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:40,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:44:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:40,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:40,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:40,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:40,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:44:40,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:44:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:44:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-27 22:44:40,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109701039] [2020-10-27 22:44:40,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:40,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 22:44:40,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282811943] [2020-10-27 22:44:40,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:44:40,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:40,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:44:40,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:44:40,707 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2020-10-27 22:44:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:40,804 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2020-10-27 22:44:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:44:40,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-10-27 22:44:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:40,806 INFO L225 Difference]: With dead ends: 66 [2020-10-27 22:44:40,806 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 22:44:40,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:44:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 22:44:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-10-27 22:44:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 22:44:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-27 22:44:40,814 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 68 [2020-10-27 22:44:40,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:40,814 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-27 22:44:40,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:44:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-27 22:44:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:44:40,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:40,816 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 3, 3, 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 22:44:40,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:44:40,816 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:40,817 INFO L82 PathProgramCache]: Analyzing trace with hash 503691809, now seen corresponding path program 3 times [2020-10-27 22:44:40,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:40,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329192223] [2020-10-27 22:44:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:40,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:41,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:41,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 22:44:41,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:44:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-27 22:44:41,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:44:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:44:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:44:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:41,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:41,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:41,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:41,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:41,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:41,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:44:41,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:41,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:41,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:41,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:41,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:44:41,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:41,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:44:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:41,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:41,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:41,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:44:41,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:41,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:44:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:41,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:44:41,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:44:41,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:44:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-27 22:44:41,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329192223] [2020-10-27 22:44:41,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:44:41,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:44:41,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989112941] [2020-10-27 22:44:41,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:44:41,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:44:41,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:44:41,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:44:41,863 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2020-10-27 22:44:41,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:44:41,979 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-10-27 22:44:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:44:41,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-10-27 22:44:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:44:41,981 INFO L225 Difference]: With dead ends: 67 [2020-10-27 22:44:41,981 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 22:44:41,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:44:41,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 22:44:41,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-27 22:44:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-27 22:44:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-10-27 22:44:41,993 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 70 [2020-10-27 22:44:41,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:44:41,993 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-10-27 22:44:41,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:44:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-10-27 22:44:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 22:44:41,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:44:41,999 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 4, 4, 3, 3, 3, 3, 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 22:44:41,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:44:41,999 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:44:42,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:44:42,000 INFO L82 PathProgramCache]: Analyzing trace with hash -460533345, now seen corresponding path program 4 times [2020-10-27 22:44:42,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:44:42,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694919507] [2020-10-27 22:44:42,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:44:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:42,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:42,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:45,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:47,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:47,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 22:44:47,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:44:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:44:47,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 22:44:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:44:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 22:44:47,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:44:47,737 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-10-27 22:44:47,903 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-10-27 22:44:48,199 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2020-10-27 22:44:48,407 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-27 22:44:48,641 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 43 [2020-10-27 22:44:48,900 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2020-10-27 22:44:49,203 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-27 22:44:49,496 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2020-10-27 22:44:49,805 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-27 22:44:56,697 WARN L193 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 97 DAG size of output: 42 [2020-10-27 22:44:56,997 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2020-10-27 22:44:59,337 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-10-27 22:44:59,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:44:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:59,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:44:59,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:44:59,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:44:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:44:59,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:44:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:44:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:44:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:44:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:44:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:44:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:44:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:59,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:44:59,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:00,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:00,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:00,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:00,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:45:00,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:45:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-27 22:45:00,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:45:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:45:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:45:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:01,905 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-10-27 22:45:01,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:45:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:01,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:02,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:02,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:02,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:03,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:03,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:45:03,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:45:03,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1492 [2020-10-27 22:45:03,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:03,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:45:03,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:45:03,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:45:03,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:04,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 22:45:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:04,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:04,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:04,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:04,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:04,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:04,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:04,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:45:04,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:45:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-27 22:45:04,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:45:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:45:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:45:04,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 35 proven. 224 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 22:45:05,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694919507] [2020-10-27 22:45:05,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:45:05,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-27 22:45:05,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635372625] [2020-10-27 22:45:05,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-27 22:45:05,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:45:05,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-27 22:45:05,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1146, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 22:45:05,984 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 36 states. [2020-10-27 22:45:08,065 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-10-27 22:45:09,095 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-10-27 22:45:10,218 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-27 22:45:21,291 WARN L193 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-10-27 22:45:32,230 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-10-27 22:45:47,237 WARN L193 SmtUtils]: Spent 8.47 s on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-10-27 22:45:47,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:45:47,641 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2020-10-27 22:45:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 22:45:47,642 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 72 [2020-10-27 22:45:47,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:45:47,645 INFO L225 Difference]: With dead ends: 74 [2020-10-27 22:45:47,646 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 22:45:47,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 13 SyntacticMatches, 9 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 43.4s TimeCoverageRelationStatistics Valid=311, Invalid=2992, Unknown=3, NotChecked=0, Total=3306 [2020-10-27 22:45:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 22:45:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2020-10-27 22:45:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-27 22:45:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2020-10-27 22:45:47,670 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 72 [2020-10-27 22:45:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:45:47,671 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2020-10-27 22:45:47,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-27 22:45:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2020-10-27 22:45:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-27 22:45:47,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:45:47,672 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 4, 4, 3, 3, 3, 3, 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 22:45:47,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:45:47,673 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:45:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:45:47,673 INFO L82 PathProgramCache]: Analyzing trace with hash 2077823293, now seen corresponding path program 5 times [2020-10-27 22:45:47,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:45:47,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864911639] [2020-10-27 22:45:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:45:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:47,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:48,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:48,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:45:48,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:45:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-10-27 22:45:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:45:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:45:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:45:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:45:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:48,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:48,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:48,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:45:48,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:45:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:45:48,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:45:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:45:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:45:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:45:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:48,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:49,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:49,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 22:45:49,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:45:49,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 22:45:49,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:45:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:45:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:45:49,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 22:45:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:49,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:49,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:45:49,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:45:49,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:45:49,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:49,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:45:49,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:45:49,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:45:49,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:45:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:45:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:45:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:45:49,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 22:45:49,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:45:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:45:49,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:45:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:45:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:45:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:45:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:45:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 36 proven. 150 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-10-27 22:45:49,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864911639] [2020-10-27 22:45:49,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:45:49,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:45:49,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040788046] [2020-10-27 22:45:49,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:45:49,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:45:49,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:45:49,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:45:49,146 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand 9 states. [2020-10-27 22:45:49,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:45:49,423 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-10-27 22:45:49,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:45:49,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-10-27 22:45:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:45:49,424 INFO L225 Difference]: With dead ends: 78 [2020-10-27 22:45:49,424 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:45:49,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:45:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:45:49,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:45:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:45:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:45:49,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-27 22:45:49,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:45:49,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:45:49,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:45:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:45:49,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:45:49,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:45:49,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:45:53,837 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification that was a NOOP. DAG size: 83 [2020-10-27 22:45:54,233 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2020-10-27 22:45:54,917 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-10-27 22:45:54,967 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 22:45:54,967 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 22:45:54,967 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 22:45:54,967 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 22:45:54,967 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 22:45:54,968 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:45:54,968 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-27 22:45:54,968 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:45:54,968 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:45:54,968 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 22:45:54,968 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:45:54,968 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:45:54,969 INFO L274 CegarLoopResult]: For program point sumEXIT(lines 15 24) no Hoare annotation was computed. [2020-10-27 22:45:54,969 INFO L277 CegarLoopResult]: At program point sumENTRY(lines 15 24) the Hoare annotation is: true [2020-10-27 22:45:54,969 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2020-10-27 22:45:54,969 INFO L270 CegarLoopResult]: At program point L20-3(lines 20 22) the Hoare annotation is: (let ((.cse9 (select |#memory_int| sum_~x.base))) (let ((.cse4 (select .cse9 (+ sum_~x.offset 8))) (.cse5 (select .cse9 (+ sum_~x.offset 4))) (.cse1 (select .cse9 sum_~x.offset)) (.cse0 (= |sum_#in~x.base| sum_~x.base)) (.cse2 (= sum_~x.offset |sum_#in~x.offset|))) (or (and (<= 1 sum_~i~0) .cse0 (<= .cse1 sum_~ret~0) (<= sum_~i~0 1) (<= sum_~ret~0 .cse1) .cse2) (let ((.cse3 (+ .cse4 .cse5 .cse1))) (and (<= 3 sum_~i~0) .cse0 (<= sum_~i~0 3) (<= .cse3 sum_~ret~0) .cse2 (<= sum_~ret~0 .cse3))) (let ((.cse6 (let ((.cse7 (select |#memory_int| |sum_#in~x.base|))) (+ (select .cse7 (+ |sum_#in~x.offset| 4)) (select .cse7 |sum_#in~x.offset|) (select .cse7 (+ |sum_#in~x.offset| 8)) (select .cse7 (+ |sum_#in~x.offset| 16)) (select .cse7 (+ |sum_#in~x.offset| 12)))))) (and (<= .cse6 sum_~ret~0) (<= 5 sum_~i~0) (<= sum_~ret~0 .cse6) (<= (* 4 sum_~i~0) 20))) (let ((.cse8 (+ .cse4 (select .cse9 (+ sum_~x.offset 12)) .cse5 .cse1))) (and (<= 4 sum_~i~0) (<= .cse8 sum_~ret~0) .cse0 (<= sum_~i~0 4) (<= sum_~ret~0 .cse8) .cse2)) (let ((.cse10 (+ .cse5 .cse1))) (and .cse0 (<= .cse10 sum_~ret~0) (<= 2 sum_~i~0) (<= sum_~ret~0 .cse10) (<= sum_~i~0 2) .cse2)) (and .cse0 (<= sum_~ret~0 0) (<= sum_~i~0 0) (<= 0 sum_~ret~0) (<= 0 sum_~i~0) .cse2)))) [2020-10-27 22:45:54,969 INFO L274 CegarLoopResult]: For program point L20-4(lines 20 22) no Hoare annotation was computed. [2020-10-27 22:45:54,969 INFO L274 CegarLoopResult]: For program point sumFINAL(lines 15 24) no Hoare annotation was computed. [2020-10-27 22:45:54,969 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 26 53) no Hoare annotation was computed. [2020-10-27 22:45:54,970 INFO L270 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: false [2020-10-27 22:45:54,970 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 26 53) no Hoare annotation was computed. [2020-10-27 22:45:54,970 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 22:45:54,970 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 36) no Hoare annotation was computed. [2020-10-27 22:45:54,970 INFO L277 CegarLoopResult]: At program point L34-3(lines 34 36) the Hoare annotation is: true [2020-10-27 22:45:54,970 INFO L277 CegarLoopResult]: At program point L34-4(lines 34 36) the Hoare annotation is: true [2020-10-27 22:45:54,970 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 26 53) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-27 22:45:54,970 INFO L274 CegarLoopResult]: For program point L49(lines 49 51) no Hoare annotation was computed. [2020-10-27 22:45:54,970 INFO L274 CegarLoopResult]: For program point L49-1(lines 49 51) no Hoare annotation was computed. [2020-10-27 22:45:54,971 INFO L270 CegarLoopResult]: At program point L47(line 47) the Hoare annotation is: (let ((.cse21 (+ |main_~#x~0.offset| 4)) (.cse22 (+ |main_~#x~0.offset| 16)) (.cse9 (select |#memory_int| |main_~#x~0.base|))) (let ((.cse28 (* main_~i~2 4)) (.cse8 (select .cse9 |main_~#x~0.offset|)) (.cse7 (select .cse9 .cse22)) (.cse1 (select .cse9 .cse21))) (let ((.cse2 (* .cse1 (- 1))) (.cse4 (* .cse7 (- 1))) (.cse6 (* .cse8 (- 1))) (.cse10 (+ |main_~#x~0.offset| 8)) (.cse11 (+ |main_~#x~0.offset| 12)) (.cse12 (<= 3 main_~i~2)) (.cse0 (+ main_~ret~1 4294967296)) (.cse14 (* main_~temp~0 (- 1))) (.cse15 (+ .cse28 |main_~#x~0.offset|))) (and (= .cse0 (let ((.cse3 (select .cse9 .cse11)) (.cse5 (select .cse9 .cse10))) (+ .cse1 (* 4294967296 (div (+ .cse2 (* .cse3 (- 1)) .cse4 (* .cse5 (- 1)) .cse6 6442450943) 4294967296)) .cse3 .cse7 .cse5 .cse8))) (= main_~ret~1 main_~ret2~0) (or .cse12 (= .cse0 (let ((.cse13 (select .cse9 .cse15))) (+ .cse1 .cse13 main_~temp~0 (* 4294967296 (div (+ .cse2 (* .cse13 (- 1)) .cse14 .cse4 .cse6 6442450943) 4294967296)) .cse7 .cse8)))) (= .cse0 (let ((.cse20 (store .cse9 .cse22 main_~temp~0))) (let ((.cse16 (select .cse20 .cse11)) (.cse17 (select .cse20 .cse21)) (.cse18 (select .cse20 .cse10)) (.cse19 (select .cse20 |main_~#x~0.offset|))) (+ .cse16 main_~temp~0 .cse17 (* 4294967296 (div (+ (* .cse16 (- 1)) .cse14 (* .cse17 (- 1)) (* .cse18 (- 1)) (* .cse19 (- 1)) 6442450943) 4294967296)) .cse18 .cse19)))) (or .cse12 (and (= (* 4 main_~i~2) 8) (= .cse0 (let ((.cse25 (select .cse9 (+ .cse28 |main_~#x~0.offset| 4)))) (let ((.cse27 (store .cse9 .cse15 .cse25))) (let ((.cse23 (select .cse27 .cse22)) (.cse24 (select .cse27 |main_~#x~0.offset|)) (.cse26 (select .cse27 .cse21))) (+ .cse23 .cse24 main_~temp~0 .cse25 (* 4294967296 (div (+ (* .cse23 (- 1)) (* .cse24 (- 1)) .cse14 (* .cse25 (- 1)) (* .cse26 (- 1)) 6442450943) 4294967296)) .cse26))))))))))) [2020-10-27 22:45:54,971 INFO L274 CegarLoopResult]: For program point L47-1(line 47) no Hoare annotation was computed. [2020-10-27 22:45:54,971 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (let ((.cse11 (select |#memory_int| |main_~#x~0.base|))) (let ((.cse5 (select .cse11 (+ |main_~#x~0.offset| 8))) (.cse4 (select .cse11 |main_~#x~0.offset|)) (.cse3 (select .cse11 (+ |main_~#x~0.offset| 16))) (.cse2 (select .cse11 (+ |main_~#x~0.offset| 12))) (.cse1 (select .cse11 (+ |main_~#x~0.offset| 4)))) (let ((.cse6 (* .cse1 (- 1))) (.cse7 (* .cse2 (- 1))) (.cse8 (* .cse3 (- 1))) (.cse9 (* .cse4 (- 1))) (.cse10 (* .cse5 (- 1)))) (let ((.cse0 (+ .cse1 (* 4294967296 (div (+ .cse6 .cse7 .cse8 .cse9 .cse10 4294967295) 4294967296)) .cse2 .cse3 .cse4 .cse5))) (and (or (= (+ main_~ret~1 4294967296) .cse0) (<= (* 4294967296 (div (+ .cse1 .cse2 .cse3 .cse4 .cse5 2147483648) 4294967296)) (+ .cse1 .cse2 .cse3 .cse4 .cse5))) (or (<= (+ .cse1 .cse2 (* 4294967296 (div (+ .cse6 .cse7 .cse8 .cse9 .cse10 6442450943) 4294967296)) .cse3 .cse4 .cse5) 4294967295) (= .cse0 main_~ret~1))))))) [2020-10-27 22:45:54,971 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2020-10-27 22:45:54,971 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-27 22:45:54,972 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 45) the Hoare annotation is: (let ((.cse11 (select |#memory_int| |main_~#x~0.base|)) (.cse21 (* main_~i~2 4))) (let ((.cse15 (select .cse11 (+ .cse21 |main_~#x~0.offset| 4)))) (let ((.cse9 (+ |main_~#x~0.offset| 4)) (.cse12 (+ |main_~#x~0.offset| 16)) (.cse25 (store .cse11 (+ .cse21 |main_~#x~0.offset|) .cse15))) (let ((.cse16 (select .cse25 (+ .cse21 |main_~#x~0.offset| 8))) (.cse13 (select .cse25 .cse12)) (.cse23 (select .cse25 .cse9)) (.cse14 (select .cse25 |main_~#x~0.offset|))) (let ((.cse18 (* .cse14 (- 1))) (.cse24 (* .cse23 (- 1))) (.cse8 (+ |main_~#x~0.offset| 8)) (.cse10 (+ |main_~#x~0.offset| 12)) (.cse0 (= main_~ret~1 main_~ret2~0)) (.cse1 (+ main_~ret~1 4294967296)) (.cse17 (* .cse13 (- 1))) (.cse4 (* main_~temp~0 (- 1))) (.cse19 (* .cse15 (- 1))) (.cse20 (* .cse16 (- 1)))) (or (and (<= 4 main_~i~2) .cse0 (= .cse1 (let ((.cse7 (store .cse11 .cse12 main_~temp~0))) (let ((.cse2 (select .cse7 .cse10)) (.cse3 (select .cse7 .cse9)) (.cse5 (select .cse7 .cse8)) (.cse6 (select .cse7 |main_~#x~0.offset|))) (+ .cse2 main_~temp~0 .cse3 (* (div (+ (* .cse2 (- 1)) .cse4 (* .cse3 (- 1)) (* .cse5 (- 1)) (* .cse6 (- 1)) 6442450943) 4294967296) 4294967296) .cse5 .cse6))))) (and (= .cse1 (+ .cse13 .cse14 main_~temp~0 .cse15 .cse16 (* (div (+ .cse17 .cse18 .cse4 .cse19 .cse20 6442450943) 4294967296) 4294967296))) (<= main_~i~2 1) .cse0 (<= 4 (* 4 main_~i~2))) (and (= .cse21 12) (= .cse1 (let ((.cse22 (select .cse25 .cse8))) (+ .cse22 .cse14 main_~temp~0 .cse15 .cse23 (* (div (+ (* .cse22 (- 1)) .cse18 .cse4 .cse19 .cse24 6442450943) 4294967296) 4294967296)))) .cse0) (and (= .cse21 8) .cse0 (= .cse1 (+ .cse13 .cse14 main_~temp~0 .cse15 (* (div (+ .cse17 .cse18 .cse4 .cse19 .cse24 6442450943) 4294967296) 4294967296) .cse23))) (and (= .cse1 (let ((.cse26 (select .cse11 .cse9)) (.cse27 (select .cse11 .cse10)) (.cse28 (select .cse11 .cse12)) (.cse29 (select .cse11 .cse8)) (.cse30 (select .cse11 |main_~#x~0.offset|))) (+ .cse26 (* (div (+ (* .cse26 (- 1)) (* .cse27 (- 1)) (* .cse28 (- 1)) (* .cse29 (- 1)) (* .cse30 (- 1)) 6442450943) 4294967296) 4294967296) .cse27 .cse28 .cse29 .cse30))) .cse0 (= .cse21 0) (= .cse1 (let ((.cse31 (select .cse25 (+ .cse21 |main_~#x~0.offset| 12)))) (+ .cse13 (* (div (+ .cse17 .cse4 .cse19 (* .cse31 (- 1)) .cse20 6442450943) 4294967296) 4294967296) main_~temp~0 .cse15 .cse31 .cse16)))))))))) [2020-10-27 22:45:54,972 INFO L274 CegarLoopResult]: For program point L43-4(lines 43 45) no Hoare annotation was computed. [2020-10-27 22:45:54,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:45:55 BoogieIcfgContainer [2020-10-27 22:45:55,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:45:55,067 INFO L168 Benchmark]: Toolchain (without parser) took 102174.12 ms. Allocated memory was 161.5 MB in the beginning and 486.5 MB in the end (delta: 325.1 MB). Free memory was 136.4 MB in the beginning and 284.6 MB in the end (delta: -148.1 MB). Peak memory consumption was 177.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:45:55,067 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 161.5 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:45:55,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.64 ms. Allocated memory is still 161.5 MB. Free memory was 135.7 MB in the beginning and 125.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:45:55,068 INFO L168 Benchmark]: Boogie Preprocessor took 43.30 ms. Allocated memory is still 161.5 MB. Free memory was 125.9 MB in the beginning and 124.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:45:55,069 INFO L168 Benchmark]: RCFGBuilder took 667.98 ms. Allocated memory is still 161.5 MB. Free memory was 124.3 MB in the beginning and 107.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:45:55,070 INFO L168 Benchmark]: TraceAbstraction took 101155.93 ms. Allocated memory was 161.5 MB in the beginning and 486.5 MB in the end (delta: 325.1 MB). Free memory was 107.5 MB in the beginning and 284.6 MB in the end (delta: -177.0 MB). Peak memory consumption was 149.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:45:55,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 161.5 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 293.64 ms. Allocated memory is still 161.5 MB. Free memory was 135.7 MB in the beginning and 125.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.30 ms. Allocated memory is still 161.5 MB. Free memory was 125.9 MB in the beginning and 124.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 667.98 ms. Allocated memory is still 161.5 MB. Free memory was 124.3 MB in the beginning and 107.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 101155.93 ms. Allocated memory was 161.5 MB in the beginning and 486.5 MB in the end (delta: 325.1 MB). Free memory was 107.5 MB in the beginning and 284.6 MB in the end (delta: -177.0 MB). Peak memory consumption was 149.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 43]: Loop Invariant [2020-10-27 22:45:55,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((4 <= i && ret == ret2) && ret + 4294967296 == unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] + temp + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] + (unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] * -1 + temp * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x] * -1 + 6442450943) / 4294967296 * 4294967296 + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] + unknown-#memory_int-unknown[x][x + 16 := temp][x]) || (((ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] * -1 + 6442450943) / 4294967296 * 4294967296 && i <= 1) && ret == ret2) && 4 <= 4 * i)) || ((i * 4 == 12 && ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 8] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 8] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] * -1 + 6442450943) / 4294967296 * 4294967296) && ret == ret2)) || ((i * 4 == 8 && ret == ret2) && ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] * -1 + 6442450943) / 4294967296 * 4294967296 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4])) || (((ret + 4294967296 == unknown-#memory_int-unknown[x][x + 4] + (unknown-#memory_int-unknown[x][x + 4] * -1 + unknown-#memory_int-unknown[x][x + 12] * -1 + unknown-#memory_int-unknown[x][x + 16] * -1 + unknown-#memory_int-unknown[x][x + 8] * -1 + unknown-#memory_int-unknown[x][x] * -1 + 6442450943) / 4294967296 * 4294967296 + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x] && ret == ret2) && i * 4 == 0) && ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] * -1 + 6442450943) / 4294967296 * 4294967296 + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8]) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2020-10-27 22:45:55,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 22:45:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((1 <= i && x == x) && unknown-#memory_int-unknown[x][x] <= ret) && i <= 1) && ret <= unknown-#memory_int-unknown[x][x]) && x == x) || (((((3 <= i && x == x) && i <= 3) && unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && x == x) && ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x])) || (((unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x + 12] <= ret && 5 <= i) && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x + 12]) && 4 * i <= 20)) || (((((4 <= i && unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && x == x) && i <= 4) && ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x]) && x == x)) || (((((x == x && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && 2 <= i) && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x]) && i <= 2) && x == x)) || (((((x == x && ret <= 0) && i <= 0) && 0 <= ret) && 0 <= i) && x == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 95.3s, OverallIterations: 12, TraceHistogramMax: 16, AutomataDifference: 43.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 324 SDtfs, 181 SDslu, 691 SDs, 0 SdLazy, 1486 SolverSat, 177 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 145 SyntacticMatches, 9 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 44.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 12 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 66 PreInvPairs, 92 NumberOfFragments, 2127 HoareAnnotationTreeSize, 66 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 409 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 50.9s InterpolantComputationTime, 678 NumberOfCodeBlocks, 678 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 666 ConstructedInterpolants, 0 QuantifiedInterpolants, 543720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1551/2119 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...