/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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:35:05,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:35:05,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:35:05,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:35:05,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:35:05,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:35:05,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:35:05,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:35:05,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:35:05,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:35:05,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:35:05,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:35:05,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:35:05,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:35:05,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:35:05,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:35:05,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:35:05,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:35:05,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:35:05,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:35:05,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:35:05,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:35:05,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:35:05,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:35:05,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:35:05,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:35:05,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:35:05,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:35:05,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:35:05,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:35:05,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:35:05,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:35:05,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:35:05,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:35:05,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:35:05,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:35:05,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:35:05,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:35:05,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:35:05,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:35:05,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:35:05,382 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 20:35:05,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:35:05,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:35:05,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:35:05,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:35:05,413 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:35:05,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:35:05,414 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:35:05,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:35:05,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:35:05,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:35:05,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:35:05,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:35:05,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:35:05,416 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:35:05,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:35:05,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:35:05,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:35:05,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:35:05,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:35:05,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:35:05,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:35:05,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:35:05,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:35:05,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:35:05,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:35:05,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:35:05,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:35:05,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:35:05,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:35:05,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:35:05,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:35:05,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:35:05,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:35:05,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:35:05,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:35:05,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2020-10-27 20:35:05,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1ad498f/91101cc2f7754dc5879d5cf71d3bbe46/FLAGc337ebd45 [2020-10-27 20:35:06,724 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:35:06,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/invert_string-3.c [2020-10-27 20:35:06,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1ad498f/91101cc2f7754dc5879d5cf71d3bbe46/FLAGc337ebd45 [2020-10-27 20:35:07,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1ad498f/91101cc2f7754dc5879d5cf71d3bbe46 [2020-10-27 20:35:07,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:35:07,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:35:07,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:35:07,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:35:07,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:35:07,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bfbf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07, skipping insertion in model container [2020-10-27 20:35:07,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:35:07,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:35:07,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:35:07,292 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:35:07,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:35:07,345 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:35:07,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07 WrapperNode [2020-10-27 20:35:07,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:35:07,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:35:07,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:35:07,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:35:07,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (1/1) ... [2020-10-27 20:35:07,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:35:07,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:35:07,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:35:07,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:35:07,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (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 20:35:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:35:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:35:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:35:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 20:35:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:35:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:35:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:35:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:35:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:35:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 20:35:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 20:35:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:35:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:35:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:35:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:35:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:35:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:35:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:35:07,790 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:35:07,793 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-27 20:35:07,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:35:07 BoogieIcfgContainer [2020-10-27 20:35:07,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:35:07,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:35:07,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:35:07,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:35:07,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:35:07" (1/3) ... [2020-10-27 20:35:07,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a3352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:35:07, skipping insertion in model container [2020-10-27 20:35:07,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:35:07" (2/3) ... [2020-10-27 20:35:07,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a3352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:35:07, skipping insertion in model container [2020-10-27 20:35:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:35:07" (3/3) ... [2020-10-27 20:35:07,818 INFO L111 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2020-10-27 20:35:07,856 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:35:07,861 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:35:07,878 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:35:07,926 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:35:07,926 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:35:07,926 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:35:07,927 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:35:07,927 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:35:07,927 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:35:07,927 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:35:07,927 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:35:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-27 20:35:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 20:35:07,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:07,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:07,972 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:07,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:07,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1224473765, now seen corresponding path program 1 times [2020-10-27 20:35:07,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:07,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355647763] [2020-10-27 20:35:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:08,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:08,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:35:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:35:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-27 20:35:08,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:08,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:08,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:35:08,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:35:08,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:35:09,133 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-10-27 20:35:09,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:09,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:09,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:09,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:35:09,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:09,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:35:09,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355647763] [2020-10-27 20:35:09,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:35:09,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 20:35:09,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776784764] [2020-10-27 20:35:09,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 20:35:09,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 20:35:09,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 20:35:09,211 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2020-10-27 20:35:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:09,369 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2020-10-27 20:35:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 20:35:09,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-27 20:35:09,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:09,379 INFO L225 Difference]: With dead ends: 53 [2020-10-27 20:35:09,379 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 20:35:09,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 20:35:09,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 20:35:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2020-10-27 20:35:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-27 20:35:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2020-10-27 20:35:09,428 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 16 [2020-10-27 20:35:09,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:09,429 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2020-10-27 20:35:09,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 20:35:09,429 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-10-27 20:35:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-27 20:35:09,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:09,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:09,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:35:09,431 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:09,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:09,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1607981113, now seen corresponding path program 1 times [2020-10-27 20:35:09,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:09,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223044258] [2020-10-27 20:35:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:09,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:09,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:09,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:09,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:35:09,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:35:09,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-27 20:35:09,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:35:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:35:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:35:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:09,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:09,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:09,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:09,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:35:09,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:35:09,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223044258] [2020-10-27 20:35:09,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:09,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 20:35:09,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304678699] [2020-10-27 20:35:09,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 20:35:09,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:09,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 20:35:09,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:35:09,961 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 5 states. [2020-10-27 20:35:10,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:10,070 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2020-10-27 20:35:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:35:10,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-27 20:35:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:10,072 INFO L225 Difference]: With dead ends: 42 [2020-10-27 20:35:10,072 INFO L226 Difference]: Without dead ends: 27 [2020-10-27 20:35:10,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:35:10,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-27 20:35:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2020-10-27 20:35:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 20:35:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2020-10-27 20:35:10,082 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2020-10-27 20:35:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:10,082 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2020-10-27 20:35:10,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 20:35:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2020-10-27 20:35:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-27 20:35:10,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:10,083 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:10,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:35:10,084 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:10,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:10,085 INFO L82 PathProgramCache]: Analyzing trace with hash -587853207, now seen corresponding path program 2 times [2020-10-27 20:35:10,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:10,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42631505] [2020-10-27 20:35:10,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:10,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:10,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:10,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 20:35:10,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:35:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-27 20:35:10,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:10,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:35:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:35:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:35:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:10,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:10,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:10,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:10,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:35:10,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:10,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:10,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:35:10,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42631505] [2020-10-27 20:35:10,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:35:10,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 20:35:10,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585767273] [2020-10-27 20:35:10,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 20:35:10,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:10,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 20:35:10,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:35:10,700 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 5 states. [2020-10-27 20:35:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:10,793 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2020-10-27 20:35:10,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:35:10,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-27 20:35:10,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:10,795 INFO L225 Difference]: With dead ends: 40 [2020-10-27 20:35:10,795 INFO L226 Difference]: Without dead ends: 28 [2020-10-27 20:35:10,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:35:10,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-27 20:35:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2020-10-27 20:35:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-27 20:35:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2020-10-27 20:35:10,803 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 20 [2020-10-27 20:35:10,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:10,803 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2020-10-27 20:35:10,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 20:35:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-10-27 20:35:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 20:35:10,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:10,805 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:10,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:35:10,805 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1902560459, now seen corresponding path program 1 times [2020-10-27 20:35:10,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:10,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081391392] [2020-10-27 20:35:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:10,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:10,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:10,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:11,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:12,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:12,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:35:12,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:35:12,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2027 [2020-10-27 20:35:12,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:35:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:35:12,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:13,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:13,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:13,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:13,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:13,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:13,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:35:13,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:13,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:13,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:13,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:13,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:35:13,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081391392] [2020-10-27 20:35:13,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:13,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:35:13,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163134889] [2020-10-27 20:35:13,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:35:13,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:13,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:35:13,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:35:13,211 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 11 states. [2020-10-27 20:35:13,554 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-27 20:35:13,687 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-10-27 20:35:14,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:14,086 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2020-10-27 20:35:14,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:35:14,086 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2020-10-27 20:35:14,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:14,089 INFO L225 Difference]: With dead ends: 48 [2020-10-27 20:35:14,089 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 20:35:14,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:35:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 20:35:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2020-10-27 20:35:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-27 20:35:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2020-10-27 20:35:14,106 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 22 [2020-10-27 20:35:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:14,106 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2020-10-27 20:35:14,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:35:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2020-10-27 20:35:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 20:35:14,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:14,108 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:14,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:35:14,108 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:14,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:14,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1401657683, now seen corresponding path program 2 times [2020-10-27 20:35:14,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:14,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337011347] [2020-10-27 20:35:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:14,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:14,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 20:35:15,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:35:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-27 20:35:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 20:35:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:35:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:15,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:15,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:15,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:15,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:15,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:35:15,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 20:35:15,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337011347] [2020-10-27 20:35:15,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:15,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 20:35:15,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385120518] [2020-10-27 20:35:15,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:35:15,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:15,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:35:15,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:35:15,905 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 12 states. [2020-10-27 20:35:16,312 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-10-27 20:35:16,597 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-10-27 20:35:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:16,887 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2020-10-27 20:35:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:35:16,888 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2020-10-27 20:35:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:16,892 INFO L225 Difference]: With dead ends: 46 [2020-10-27 20:35:16,892 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 20:35:16,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:35:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 20:35:16,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2020-10-27 20:35:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-27 20:35:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-10-27 20:35:16,906 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2020-10-27 20:35:16,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:16,907 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-10-27 20:35:16,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:35:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-10-27 20:35:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 20:35:16,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:16,908 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:16,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:35:16,908 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:16,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:16,909 INFO L82 PathProgramCache]: Analyzing trace with hash -491301839, now seen corresponding path program 1 times [2020-10-27 20:35:16,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:16,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751892282] [2020-10-27 20:35:16,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:16,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:17,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:17,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:19,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:19,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:35:19,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:35:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2854 [2020-10-27 20:35:19,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:35:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:35:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:20,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:20,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:20,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:20,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:20,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:35:20,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:20,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 20:35:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:20,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:20,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:35:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:35:20,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751892282] [2020-10-27 20:35:20,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:20,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 20:35:20,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849401029] [2020-10-27 20:35:20,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:35:20,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:20,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:35:20,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:35:20,073 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 9 states. [2020-10-27 20:35:20,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:20,261 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2020-10-27 20:35:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 20:35:20,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-27 20:35:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:20,263 INFO L225 Difference]: With dead ends: 53 [2020-10-27 20:35:20,263 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 20:35:20,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:35:20,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 20:35:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2020-10-27 20:35:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 20:35:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-10-27 20:35:20,275 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 30 [2020-10-27 20:35:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:20,275 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-10-27 20:35:20,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:35:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-10-27 20:35:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 20:35:20,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:20,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:20,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:35:20,277 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:20,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:20,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1359088621, now seen corresponding path program 2 times [2020-10-27 20:35:20,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:20,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916375290] [2020-10-27 20:35:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:20,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:20,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:22,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:22,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:35:22,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:35:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1780 [2020-10-27 20:35:22,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:35:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:35:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:22,309 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2020-10-27 20:35:22,808 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 102 [2020-10-27 20:35:23,230 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 93 [2020-10-27 20:35:23,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:23,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:23,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:23,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:23,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:35:23,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:23,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:23,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 20:35:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:23,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:23,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:23,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:23,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:35:23,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:35:23,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916375290] [2020-10-27 20:35:23,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:23,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:35:23,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835938981] [2020-10-27 20:35:23,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:35:23,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:23,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:35:23,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:35:23,957 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 15 states. [2020-10-27 20:35:24,593 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2020-10-27 20:35:25,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:25,468 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2020-10-27 20:35:25,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 20:35:25,470 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 32 [2020-10-27 20:35:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:25,471 INFO L225 Difference]: With dead ends: 57 [2020-10-27 20:35:25,471 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 20:35:25,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2020-10-27 20:35:25,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 20:35:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2020-10-27 20:35:25,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-27 20:35:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2020-10-27 20:35:25,492 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 32 [2020-10-27 20:35:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:25,492 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2020-10-27 20:35:25,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:35:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2020-10-27 20:35:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 20:35:25,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:25,495 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:25,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:35:25,495 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:25,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2078530699, now seen corresponding path program 3 times [2020-10-27 20:35:25,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:25,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512381763] [2020-10-27 20:35:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:25,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:27,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 20:35:27,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:35:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2474 [2020-10-27 20:35:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 20:35:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 20:35:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:28,481 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-10-27 20:35:28,645 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-10-27 20:35:28,788 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2020-10-27 20:35:29,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:29,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:29,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:29,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:29,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:35:29,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:29,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:29,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:35:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:29,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:35:29,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 20:35:29,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512381763] [2020-10-27 20:35:29,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:29,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:35:29,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006652924] [2020-10-27 20:35:29,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:35:29,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:29,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:35:29,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:35:29,241 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 16 states. [2020-10-27 20:35:29,720 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-10-27 20:35:30,182 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2020-10-27 20:35:30,368 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-27 20:35:30,664 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-10-27 20:35:30,853 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2020-10-27 20:35:31,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:31,674 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2020-10-27 20:35:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 20:35:31,676 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 34 [2020-10-27 20:35:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:31,678 INFO L225 Difference]: With dead ends: 60 [2020-10-27 20:35:31,678 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 20:35:31,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=117, Invalid=695, Unknown=0, NotChecked=0, Total=812 [2020-10-27 20:35:31,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 20:35:31,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 43. [2020-10-27 20:35:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 20:35:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-10-27 20:35:31,694 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 34 [2020-10-27 20:35:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:31,694 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-10-27 20:35:31,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 20:35:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-10-27 20:35:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 20:35:31,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:31,696 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:31,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:35:31,696 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:31,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:31,697 INFO L82 PathProgramCache]: Analyzing trace with hash -588334215, now seen corresponding path program 4 times [2020-10-27 20:35:31,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:31,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160664041] [2020-10-27 20:35:31,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:31,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:31,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:32,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:32,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:32,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:32,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:35,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:35,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 20:35:35,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:35:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3493 [2020-10-27 20:35:35,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:35:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 20:35:35,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:35,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:35,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:35,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:35,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:35,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:35:35,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:35,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 20:35:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 20:35:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:35,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:35,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:35,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:35,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:35:35,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:35,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:35:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:35,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:35,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:35,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:35,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:35:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 20:35:35,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160664041] [2020-10-27 20:35:35,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:35,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:35:35,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912538505] [2020-10-27 20:35:35,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:35:35,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:35,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:35:35,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:35:35,600 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 11 states. [2020-10-27 20:35:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:35,940 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-10-27 20:35:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:35:35,941 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2020-10-27 20:35:35,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:35,942 INFO L225 Difference]: With dead ends: 67 [2020-10-27 20:35:35,942 INFO L226 Difference]: Without dead ends: 46 [2020-10-27 20:35:35,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:35:35,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-27 20:35:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2020-10-27 20:35:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-27 20:35:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2020-10-27 20:35:35,958 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 40 [2020-10-27 20:35:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:35,958 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2020-10-27 20:35:35,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:35:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2020-10-27 20:35:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 20:35:35,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:35,961 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:35,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:35:35,961 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:35,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:35,963 INFO L82 PathProgramCache]: Analyzing trace with hash 111175899, now seen corresponding path program 5 times [2020-10-27 20:35:35,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:35,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499304022] [2020-10-27 20:35:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:36,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:36,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:36,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:38,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 20:35:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:35:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2853 [2020-10-27 20:35:38,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 20:35:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 20:35:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:39,161 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2020-10-27 20:35:39,561 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2020-10-27 20:35:39,853 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 81 [2020-10-27 20:35:40,448 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 102 [2020-10-27 20:35:41,091 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2020-10-27 20:35:41,258 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2020-10-27 20:35:41,412 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2020-10-27 20:35:42,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:42,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:42,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:42,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:42,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:42,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:35:42,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:42,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:35:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:42,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:42,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:42,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:42,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:35:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:35:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:42,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:42,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:42,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 20:35:42,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499304022] [2020-10-27 20:35:42,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:42,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 20:35:42,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830346079] [2020-10-27 20:35:42,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 20:35:42,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:42,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 20:35:42,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2020-10-27 20:35:42,080 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 19 states. [2020-10-27 20:35:42,616 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 56 [2020-10-27 20:35:42,984 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 65 [2020-10-27 20:35:43,482 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2020-10-27 20:35:44,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:44,891 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2020-10-27 20:35:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 20:35:44,892 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 42 [2020-10-27 20:35:44,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:44,893 INFO L225 Difference]: With dead ends: 70 [2020-10-27 20:35:44,893 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 20:35:44,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=120, Invalid=872, Unknown=0, NotChecked=0, Total=992 [2020-10-27 20:35:44,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 20:35:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2020-10-27 20:35:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 20:35:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-10-27 20:35:44,916 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 42 [2020-10-27 20:35:44,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:44,916 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-10-27 20:35:44,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 20:35:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-10-27 20:35:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 20:35:44,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:44,918 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:44,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 20:35:44,918 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:44,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:44,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1969470019, now seen corresponding path program 6 times [2020-10-27 20:35:44,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:44,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840309554] [2020-10-27 20:35:44,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:44,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:45,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:47,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:49,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:49,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 20:35:49,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:35:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4282 [2020-10-27 20:35:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 20:35:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:35:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 20:35:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:49,830 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2020-10-27 20:35:50,303 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-27 20:35:50,592 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-10-27 20:35:50,775 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-27 20:35:50,927 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2020-10-27 20:35:51,078 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2020-10-27 20:35:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:35:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:51,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:51,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:35:51,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:35:51,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:35:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:35:51,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:35:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:51,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:51,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:35:51,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:51,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:35:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:51,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:35:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:35:51,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:35:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:35:51,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:35:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:35:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:35:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:35:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:35:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 20:35:51,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840309554] [2020-10-27 20:35:51,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:35:51,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 20:35:51,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115243353] [2020-10-27 20:35:51,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 20:35:51,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:35:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 20:35:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:35:51,765 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 20 states. [2020-10-27 20:35:52,320 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2020-10-27 20:35:52,517 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-10-27 20:35:53,014 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 96 [2020-10-27 20:35:53,385 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2020-10-27 20:35:53,891 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2020-10-27 20:35:54,333 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2020-10-27 20:35:54,799 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-10-27 20:35:55,059 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-10-27 20:35:56,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:35:56,583 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2020-10-27 20:35:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 20:35:56,584 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 44 [2020-10-27 20:35:56,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:35:56,585 INFO L225 Difference]: With dead ends: 74 [2020-10-27 20:35:56,585 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 20:35:56,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=153, Invalid=1179, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 20:35:56,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 20:35:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 53. [2020-10-27 20:35:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-27 20:35:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2020-10-27 20:35:56,602 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 44 [2020-10-27 20:35:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:35:56,603 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2020-10-27 20:35:56,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 20:35:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2020-10-27 20:35:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 20:35:56,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:35:56,605 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:35:56,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 20:35:56,605 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:35:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:35:56,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1247012929, now seen corresponding path program 7 times [2020-10-27 20:35:56,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:35:56,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400910023] [2020-10-27 20:35:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:35:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:35:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:56,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:56,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:56,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:56,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:57,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:57,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:35:58,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:01,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:01,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 20:36:01,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:36:01,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 20:36:01,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 20:36:01,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:36:01,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 20:36:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:36:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:02,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:02,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:02,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:36:02,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:02,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:36:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:02,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:02,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:02,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:02,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:36:02,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:02,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:36:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:02,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:02,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:02,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:36:02,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:02,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:36:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:02,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 20:36:02,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400910023] [2020-10-27 20:36:02,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:36:02,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:36:02,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096905331] [2020-10-27 20:36:02,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:36:02,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:36:02,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:36:02,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:36:02,334 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 13 states. [2020-10-27 20:36:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:36:03,383 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2020-10-27 20:36:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:36:03,385 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 50 [2020-10-27 20:36:03,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:36:03,387 INFO L225 Difference]: With dead ends: 81 [2020-10-27 20:36:03,387 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 20:36:03,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:36:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 20:36:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2020-10-27 20:36:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 20:36:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-10-27 20:36:03,404 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 50 [2020-10-27 20:36:03,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:36:03,405 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-10-27 20:36:03,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:36:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-10-27 20:36:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 20:36:03,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:36:03,406 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:36:03,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 20:36:03,407 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:36:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:36:03,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1461568291, now seen corresponding path program 8 times [2020-10-27 20:36:03,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:36:03,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426805398] [2020-10-27 20:36:03,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:36:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:08,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:08,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 20:36:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:36:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 20:36:08,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 20:36:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:36:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 20:36:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:08,707 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-10-27 20:36:09,252 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 88 [2020-10-27 20:36:10,017 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 89 [2020-10-27 20:36:10,519 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2020-10-27 20:36:10,996 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2020-10-27 20:36:11,614 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 100 [2020-10-27 20:36:12,166 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2020-10-27 20:36:12,435 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2020-10-27 20:36:12,718 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 34 [2020-10-27 20:36:12,938 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2020-10-27 20:36:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:36:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:13,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:13,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:13,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:36:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:13,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:36:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:36:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:14,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:14,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:14,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:36:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:14,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 20:36:14,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426805398] [2020-10-27 20:36:14,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:36:14,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 20:36:14,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385040395] [2020-10-27 20:36:14,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 20:36:14,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:36:14,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 20:36:14,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=462, Unknown=0, NotChecked=0, Total=506 [2020-10-27 20:36:14,037 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 23 states. [2020-10-27 20:36:14,579 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 57 [2020-10-27 20:36:14,919 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 63 [2020-10-27 20:36:15,268 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-10-27 20:36:15,846 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-10-27 20:36:17,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:36:17,949 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2020-10-27 20:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 20:36:17,950 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 52 [2020-10-27 20:36:17,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:36:17,951 INFO L225 Difference]: With dead ends: 84 [2020-10-27 20:36:17,951 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 20:36:17,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=148, Invalid=1334, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 20:36:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 20:36:17,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2020-10-27 20:36:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-27 20:36:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2020-10-27 20:36:17,976 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 52 [2020-10-27 20:36:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:36:17,977 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2020-10-27 20:36:17,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 20:36:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2020-10-27 20:36:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 20:36:17,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:36:17,978 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:36:17,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 20:36:17,979 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:36:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:36:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1490840965, now seen corresponding path program 9 times [2020-10-27 20:36:17,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:36:17,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406866262] [2020-10-27 20:36:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:36:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:18,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:21,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:21,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 20:36:21,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:36:21,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3226 [2020-10-27 20:36:21,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:21,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 20:36:21,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:36:21,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 20:36:21,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:21,898 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-10-27 20:36:22,381 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-10-27 20:36:23,198 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 94 [2020-10-27 20:36:23,750 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2020-10-27 20:36:24,200 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2020-10-27 20:36:24,419 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2020-10-27 20:36:24,623 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2020-10-27 20:36:24,814 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-10-27 20:36:25,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:36:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:25,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:25,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:36:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:25,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:36:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:25,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:25,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:36:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:25,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:25,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:36:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:25,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:25,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 20:36:25,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406866262] [2020-10-27 20:36:25,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:36:25,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 20:36:25,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885236999] [2020-10-27 20:36:25,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 20:36:25,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:36:25,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 20:36:25,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=506, Unknown=0, NotChecked=0, Total=552 [2020-10-27 20:36:25,773 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 24 states. [2020-10-27 20:36:26,420 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-10-27 20:36:26,655 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-10-27 20:36:27,235 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2020-10-27 20:36:27,686 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2020-10-27 20:36:28,541 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 132 [2020-10-27 20:36:29,083 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2020-10-27 20:36:29,969 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 131 [2020-10-27 20:36:30,622 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 106 [2020-10-27 20:36:31,356 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2020-10-27 20:36:31,685 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2020-10-27 20:36:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:36:33,837 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-10-27 20:36:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 20:36:33,839 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 54 [2020-10-27 20:36:33,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:36:33,842 INFO L225 Difference]: With dead ends: 88 [2020-10-27 20:36:33,842 INFO L226 Difference]: Without dead ends: 85 [2020-10-27 20:36:33,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=198, Invalid=1782, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 20:36:33,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-27 20:36:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 63. [2020-10-27 20:36:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-27 20:36:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2020-10-27 20:36:33,871 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 54 [2020-10-27 20:36:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:36:33,871 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2020-10-27 20:36:33,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 20:36:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-10-27 20:36:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 20:36:33,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:36:33,873 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:36:33,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 20:36:33,873 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:36:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:36:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1877575031, now seen corresponding path program 10 times [2020-10-27 20:36:33,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:36:33,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422064753] [2020-10-27 20:36:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:36:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:33,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:34,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:37,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:38,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 20:36:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:39,059 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2020-10-27 20:36:39,176 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-10-27 20:36:39,301 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-10-27 20:36:39,426 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-10-27 20:36:40,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:36:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:36:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:36:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:40,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:40,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:40,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:36:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:40,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:40,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:40,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:36:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:40,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:36:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 20:36:40,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422064753] [2020-10-27 20:36:40,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:36:40,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:36:40,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253747027] [2020-10-27 20:36:40,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:36:40,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:36:40,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:36:40,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:36:40,112 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 15 states. [2020-10-27 20:36:41,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:36:41,464 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2020-10-27 20:36:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:36:41,465 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 60 [2020-10-27 20:36:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:36:41,466 INFO L225 Difference]: With dead ends: 95 [2020-10-27 20:36:41,467 INFO L226 Difference]: Without dead ends: 66 [2020-10-27 20:36:41,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2020-10-27 20:36:41,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-27 20:36:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-10-27 20:36:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-27 20:36:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2020-10-27 20:36:41,489 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 60 [2020-10-27 20:36:41,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:36:41,489 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2020-10-27 20:36:41,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:36:41,489 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-10-27 20:36:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 20:36:41,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:36:41,490 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:36:41,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 20:36:41,490 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:36:41,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:36:41,491 INFO L82 PathProgramCache]: Analyzing trace with hash 666739435, now seen corresponding path program 11 times [2020-10-27 20:36:41,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:36:41,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553248704] [2020-10-27 20:36:41,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:36:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:41,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:43,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2463 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 20:36:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:44,226 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-10-27 20:36:44,988 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2020-10-27 20:36:45,651 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 82 [2020-10-27 20:36:46,207 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 86 [2020-10-27 20:36:46,731 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2020-10-27 20:36:47,237 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 87 [2020-10-27 20:36:47,881 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-10-27 20:36:48,372 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-10-27 20:36:48,779 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 66 [2020-10-27 20:36:48,960 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-10-27 20:36:49,145 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2020-10-27 20:36:50,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:36:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:50,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:50,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:50,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:36:50,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:50,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:36:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:50,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:50,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:50,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:36:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:50,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:50,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:50,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:50,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:50,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:50,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:50,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:50,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:36:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:50,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:50,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:50,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:36:50,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:36:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:50,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:36:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:36:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:36:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:36:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 20:36:50,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553248704] [2020-10-27 20:36:50,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:36:50,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 20:36:50,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923284146] [2020-10-27 20:36:50,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 20:36:50,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:36:50,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 20:36:50,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=650, Unknown=0, NotChecked=0, Total=702 [2020-10-27 20:36:50,513 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 27 states. [2020-10-27 20:36:51,347 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-27 20:36:51,792 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2020-10-27 20:36:52,335 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2020-10-27 20:36:52,981 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-10-27 20:36:56,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:36:56,679 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-10-27 20:36:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 20:36:56,681 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 62 [2020-10-27 20:36:56,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:36:56,682 INFO L225 Difference]: With dead ends: 98 [2020-10-27 20:36:56,682 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 20:36:56,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=175, Invalid=1895, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 20:36:56,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 20:36:56,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2020-10-27 20:36:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 20:36:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2020-10-27 20:36:56,706 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 62 [2020-10-27 20:36:56,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:36:56,706 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2020-10-27 20:36:56,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 20:36:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2020-10-27 20:36:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 20:36:56,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:36:56,707 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:36:56,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 20:36:56,708 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:36:56,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:36:56,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1916549837, now seen corresponding path program 12 times [2020-10-27 20:36:56,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:36:56,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722908443] [2020-10-27 20:36:56,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:36:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:36:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:36:59,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:01,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 20:37:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:01,963 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-10-27 20:37:02,699 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2020-10-27 20:37:03,309 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 69 [2020-10-27 20:37:03,863 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2020-10-27 20:37:04,257 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2020-10-27 20:37:04,859 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2020-10-27 20:37:05,196 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 62 [2020-10-27 20:37:05,738 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2020-10-27 20:37:06,042 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2020-10-27 20:37:06,265 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2020-10-27 20:37:07,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:37:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:07,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:07,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:07,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:37:07,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:37:07,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:37:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:37:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:07,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:37:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:07,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:37:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:07,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:37:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:07,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:07,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:07,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:37:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:07,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:07,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:07,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 20:37:07,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722908443] [2020-10-27 20:37:07,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:37:07,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 20:37:07,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005028627] [2020-10-27 20:37:07,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 20:37:07,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:37:07,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 20:37:07,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=702, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:37:07,566 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand 28 states. [2020-10-27 20:37:08,259 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-10-27 20:37:08,519 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2020-10-27 20:37:09,095 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2020-10-27 20:37:09,461 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2020-10-27 20:37:10,271 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 118 [2020-10-27 20:37:10,727 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2020-10-27 20:37:11,805 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 140 [2020-10-27 20:37:12,408 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 96 [2020-10-27 20:37:13,550 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 139 [2020-10-27 20:37:14,305 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 112 [2020-10-27 20:37:15,123 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 110 [2020-10-27 20:37:15,519 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-10-27 20:37:18,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:37:18,680 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2020-10-27 20:37:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 20:37:18,681 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 64 [2020-10-27 20:37:18,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:37:18,683 INFO L225 Difference]: With dead ends: 102 [2020-10-27 20:37:18,683 INFO L226 Difference]: Without dead ends: 99 [2020-10-27 20:37:18,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=247, Invalid=2509, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 20:37:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-27 20:37:18,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 73. [2020-10-27 20:37:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-27 20:37:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2020-10-27 20:37:18,707 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 64 [2020-10-27 20:37:18,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:37:18,707 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2020-10-27 20:37:18,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 20:37:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2020-10-27 20:37:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 20:37:18,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:37:18,709 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:37:18,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 20:37:18,709 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:37:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:37:18,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1008856495, now seen corresponding path program 13 times [2020-10-27 20:37:18,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:37:18,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306556232] [2020-10-27 20:37:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:37:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:18,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:18,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:18,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:18,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:18,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:19,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:19,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:19,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:19,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:19,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:21,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:23,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 20:37:23,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 20:37:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 20:37:23,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 20:37:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:37:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 20:37:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:23,964 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2020-10-27 20:37:24,172 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-10-27 20:37:24,393 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-10-27 20:37:25,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:37:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:25,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:37:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:37:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:25,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:25,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:25,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:37:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:25,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:25,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:37:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:25,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:25,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:37:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:37:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:37:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:37:25,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:37:25,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:37:25,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:37:25,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:37:25,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:37:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:37:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:37:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:37:25,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:37:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 15 proven. 70 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-27 20:37:25,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306556232] [2020-10-27 20:37:25,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:37:25,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 20:37:25,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953928084] [2020-10-27 20:37:25,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 20:37:25,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:37:25,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 20:37:25,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:37:25,558 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 17 states. [2020-10-27 20:37:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:37:27,948 INFO L93 Difference]: Finished difference Result 152 states and 159 transitions. [2020-10-27 20:37:27,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 20:37:27,949 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 70 [2020-10-27 20:37:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:37:27,949 INFO L225 Difference]: With dead ends: 152 [2020-10-27 20:37:27,949 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:37:27,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=281, Invalid=1051, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 20:37:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:37:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:37:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:37:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:37:27,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-10-27 20:37:27,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:37:27,952 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:37:27,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 20:37:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:37:27,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:37:27,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 20:37:27,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:37:28,828 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 310 [2020-10-27 20:37:29,375 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 381 [2020-10-27 20:37:29,774 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 321 [2020-10-27 20:37:33,342 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 312 DAG size of output: 172 [2020-10-27 20:37:37,399 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 387 DAG size of output: 140 [2020-10-27 20:37:41,785 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 323 DAG size of output: 166 [2020-10-27 20:37:42,380 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-10-27 20:37:42,384 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 20:37:42,384 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 20:37:42,385 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 20:37:42,385 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 20:37:42,385 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:37:42,385 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:37:42,385 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:37:42,385 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:37:42,385 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 20:37:42,385 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:37:42,385 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:37:42,386 INFO L270 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (let ((.cse13 (+ main_~max~0 4294967295))) (let ((.cse36 (div .cse13 4294967296))) (let ((.cse35 (+ main_~max~0 2147483648)) (.cse27 (* 4294967296 .cse36))) (let ((.cse16 (select |#memory_int| |main_~#str1~0.base|)) (.cse17 (select |#memory_int| |main_~#str2~0.base|)) (.cse22 (* .cse36 (- 4294967296))) (.cse28 (+ main_~max~0 4294967293)) (.cse12 (+ main_~i~0 .cse27)) (.cse21 (<= .cse35 .cse27)) (.cse33 (+ main_~i~0 main_~j~0 .cse27 1)) (.cse24 (< .cse27 .cse35)) (.cse34 (+ main_~i~0 main_~j~0 .cse27))) (let ((.cse15 (or (and (<= main_~max~0 .cse33) .cse24) (<= .cse13 .cse34))) (.cse18 (or (<= .cse33 main_~max~0) (and .cse21 (<= .cse34 .cse13)))) (.cse14 (<= .cse28 .cse12)) (.cse29 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 4294967293))) (.cse20 (select .cse17 (+ main_~j~0 |main_~#str2~0.offset| (- 1)))) (.cse19 (select .cse16 (+ |main_~#str1~0.offset| 1)))) (let ((.cse0 (let ((.cse32 (select .cse16 (+ |main_~#str1~0.offset| 3)))) (or (and .cse24 (= .cse32 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 (- 4))))) (and .cse21 (= .cse32 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 4294967292))))))) (.cse2 (= .cse19 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 4294967294)))) (.cse3 (let ((.cse31 (select .cse16 (+ |main_~#str1~0.offset| 4)))) (or (and .cse21 (= (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 4294967291)) .cse31)) (and .cse24 (= .cse31 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 (- 5)))))))) (.cse5 (= .cse20 (select .cse16 (+ |main_~#str1~0.offset| main_~i~0 1)))) (.cse6 (let ((.cse30 (select .cse16 (+ |main_~#str1~0.offset| 2)))) (or (and .cse24 (= .cse30 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 (- 3))))) (and .cse21 (= .cse29 .cse30))))) (.cse8 (= (select .cse17 (+ main_~j~0 |main_~#str2~0.offset|)) (select .cse16 (+ |main_~#str1~0.offset| main_~i~0)))) (.cse11 (or (and .cse14 (<= .cse27 .cse28) (= .cse29 (select .cse16 (+ |main_~#str1~0.offset| main_~max~0 .cse22 4294967295)))) (< 0 main_~i~0))) (.cse7 (let ((.cse25 (<= 5 main_~max~0)) (.cse26 (<= main_~max~0 5))) (or (and .cse25 (<= 0 main_~i~0) .cse26) (and .cse25 (<= 0 (+ main_~i~0 1)) .cse15 .cse26 .cse18)))) (.cse1 (= (select .cse17 (+ main_~j~0 |main_~#str2~0.offset| (- 2))) (select .cse16 (+ |main_~#str1~0.offset| main_~i~0 2)))) (.cse4 (= (select .cse16 (+ |main_~#str1~0.offset| main_~i~0 3)) (select .cse17 (+ main_~j~0 |main_~#str2~0.offset| (- 3))))) (.cse10 (= |main_#t~mem14| |main_#t~mem13|)) (.cse9 (let ((.cse23 (select .cse16 |main_~#str1~0.offset|))) (or (and .cse21 (= (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 4294967295)) .cse23)) (and .cse24 (= .cse23 (select .cse17 (+ main_~max~0 |main_~#str2~0.offset| .cse22 (- 1))))))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= main_~i~0 1) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= (+ main_~max~0 4294967294) .cse12) .cse6 .cse0 .cse7 .cse2 .cse3 .cse8 .cse9 .cse10 .cse11 (<= main_~i~0 3) .cse5) (and .cse6 .cse0 .cse7 .cse2 .cse3 .cse8 .cse9 .cse10 (<= .cse13 .cse12) .cse11 (<= .cse12 .cse13)) (and .cse14 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 (<= main_~i~0 2) .cse8 .cse10 .cse9 .cse11) (and (= main_~i~0 0) .cse7 .cse1 .cse15 .cse4 .cse10 .cse9 (= (select .cse16 (+ |main_~#str1~0.offset| main_~i~0 4)) (select .cse17 (+ main_~j~0 |main_~#str2~0.offset| (- 4)))) .cse18 (= .cse19 .cse20))))))))) [2020-10-27 20:37:42,386 INFO L274 CegarLoopResult]: For program point L33-1(line 33) no Hoare annotation was computed. [2020-10-27 20:37:42,386 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 13 36) no Hoare annotation was computed. [2020-10-27 20:37:42,387 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 13 36) no Hoare annotation was computed. [2020-10-27 20:37:42,387 INFO L274 CegarLoopResult]: For program point L32-2(lines 32 35) no Hoare annotation was computed. [2020-10-27 20:37:42,387 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 13 36) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-27 20:37:42,388 INFO L270 CegarLoopResult]: At program point L32-3(lines 32 35) the Hoare annotation is: (let ((.cse16 (+ main_~max~0 4294967295))) (let ((.cse20 (div .cse16 4294967296))) (let ((.cse19 (* 4294967296 .cse20))) (let ((.cse31 (+ main_~max~0 2147483648)) (.cse13 (select |#memory_int| |main_~#str1~0.base|)) (.cse14 (select |#memory_int| |main_~#str2~0.base|)) (.cse24 (* .cse20 (- 4294967296))) (.cse22 (+ main_~max~0 4294967293)) (.cse12 (+ main_~i~0 .cse19))) (let ((.cse21 (<= .cse22 .cse12)) (.cse23 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 4294967293))) (.cse18 (select .cse14 (+ main_~j~0 |main_~#str2~0.offset| (- 1)))) (.cse17 (select .cse13 (+ |main_~#str1~0.offset| 1))) (.cse27 (< .cse19 .cse31)) (.cse25 (<= .cse31 .cse19))) (let ((.cse4 (= (select .cse13 (+ |main_~#str1~0.offset| main_~i~0 3)) (select .cse14 (+ main_~j~0 |main_~#str2~0.offset| (- 3))))) (.cse0 (let ((.cse30 (select .cse13 (+ |main_~#str1~0.offset| 3)))) (or (and .cse27 (= .cse30 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 (- 4))))) (and .cse25 (= .cse30 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 4294967292))))))) (.cse1 (= (select .cse14 (+ main_~j~0 |main_~#str2~0.offset| (- 2))) (select .cse13 (+ |main_~#str1~0.offset| main_~i~0 2)))) (.cse2 (= .cse17 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 4294967294)))) (.cse3 (let ((.cse29 (select .cse13 (+ |main_~#str1~0.offset| 4)))) (or (and .cse25 (= (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 4294967291)) .cse29)) (and .cse27 (= .cse29 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 (- 5)))))))) (.cse5 (<= main_~max~0 5)) (.cse6 (= .cse18 (select .cse13 (+ |main_~#str1~0.offset| main_~i~0 1)))) (.cse7 (let ((.cse28 (select .cse13 (+ |main_~#str1~0.offset| 2)))) (or (and .cse27 (= .cse28 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 (- 3))))) (and .cse25 (= .cse23 .cse28))))) (.cse8 (<= 5 main_~max~0)) (.cse9 (= (select .cse14 (+ main_~j~0 |main_~#str2~0.offset|)) (select .cse13 (+ |main_~#str1~0.offset| main_~i~0)))) (.cse10 (let ((.cse26 (select .cse13 |main_~#str1~0.offset|))) (or (and .cse25 (= (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 4294967295)) .cse26)) (and .cse27 (= .cse26 (select .cse14 (+ main_~max~0 |main_~#str2~0.offset| .cse24 (- 1)))))))) (.cse11 (or (and .cse21 (<= .cse19 .cse22) (= .cse23 (select .cse13 (+ |main_~#str1~0.offset| main_~max~0 .cse24 4294967295)))) (< 0 main_~i~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= main_~i~0 1) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= (+ main_~max~0 4294967294) .cse12) .cse7 .cse0 .cse8 .cse2 .cse9 .cse3 .cse5 .cse10 .cse11 (<= main_~i~0 3) .cse6) (let ((.cse15 (+ main_~i~0 main_~j~0 .cse19))) (and (= main_~i~0 0) .cse1 .cse8 .cse4 .cse10 .cse5 (= (select .cse13 (+ |main_~#str1~0.offset| main_~i~0 4)) (select .cse14 (+ main_~j~0 |main_~#str2~0.offset| (- 4)))) (<= .cse15 .cse16) (<= .cse16 .cse15) (= .cse17 .cse18))) (and (<= main_~i~0 4) .cse7 .cse0 .cse8 .cse2 .cse3 .cse9 .cse5 .cse10 (<= .cse16 .cse12) .cse11) (and .cse7 .cse0 .cse8 .cse2 (<= (+ (div main_~i~0 4294967296) .cse20) (+ (div main_~max~0 4294967296) 1)) .cse3 .cse5 .cse10 (<= (+ main_~max~0 4294967296) .cse12) .cse11) (and .cse21 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 (<= main_~i~0 2) .cse9 .cse10 .cse11)))))))) [2020-10-27 20:37:42,388 INFO L274 CegarLoopResult]: For program point L32-4(lines 32 35) no Hoare annotation was computed. [2020-10-27 20:37:42,388 INFO L274 CegarLoopResult]: For program point L26-2(lines 26 29) no Hoare annotation was computed. [2020-10-27 20:37:42,388 INFO L270 CegarLoopResult]: At program point L26-3(lines 26 29) the Hoare annotation is: (let ((.cse23 (+ main_~max~0 4294967295))) (let ((.cse18 (select |#memory_int| |main_~#str2~0.base|)) (.cse17 (select |#memory_int| |main_~#str1~0.base|)) (.cse42 (div .cse23 4294967296))) (let ((.cse35 (+ |main_~#str1~0.offset| main_~i~0 2)) (.cse2 (* main_~i~0 (- 1))) (.cse3 (* .cse42 (- 4294967296))) (.cse37 (= |main_~#str1~0.base| |main_~#str2~0.base|)) (.cse38 (+ main_~i~0 1)) (.cse40 (+ |main_~#str1~0.offset| main_~i~0 1)) (.cse41 (+ main_~max~0 2147483648)) (.cse31 (* 4294967296 .cse42)) (.cse1 (store .cse18 (+ main_~j~0 |main_~#str2~0.offset|) (select .cse17 (+ |main_~#str1~0.offset| main_~i~0))))) (let ((.cse0 (select (store |#memory_int| |main_~#str2~0.base| .cse1) |main_~#str1~0.base|)) (.cse27 (+ main_~i~0 main_~j~0 .cse31 1)) (.cse29 (+ main_~i~0 main_~j~0 .cse31)) (.cse30 (< .cse31 .cse41)) (.cse28 (<= .cse41 .cse31)) (.cse36 (select .cse17 .cse40)) (.cse16 (< 0 .cse38)) (.cse9 (+ |main_~#str1~0.offset| main_~i~0 3)) (.cse32 (not .cse37)) (.cse26 (select .cse1 (+ .cse2 main_~max~0 |main_~#str2~0.offset| .cse3 4294967294))) (.cse34 (select .cse1 (+ .cse2 main_~max~0 |main_~#str2~0.offset| .cse3 4294967293))) (.cse39 (select .cse17 .cse35))) (let ((.cse4 (or (= .cse34 .cse39) .cse37)) (.cse10 (select .cse1 (+ .cse2 main_~max~0 |main_~#str2~0.offset| .cse3 4294967292))) (.cse7 (or .cse32 (= .cse26 (select .cse1 .cse40)))) (.cse11 (or .cse16 (= (select .cse17 .cse9) (select .cse18 (+ main_~max~0 |main_~#str2~0.offset| .cse3 4294967293))))) (.cse12 (or .cse16 (= (select .cse18 (+ main_~max~0 |main_~#str2~0.offset| .cse3 4294967295)) .cse36))) (.cse13 (or .cse16 (= .cse39 (select .cse18 (+ main_~max~0 |main_~#str2~0.offset| .cse3 4294967294))))) (.cse15 (<= 0 .cse38)) (.cse19 (or (= .cse26 .cse36) .cse37)) (.cse20 (let ((.cse33 (select .cse1 .cse35))) (or .cse32 (and (= .cse33 (select .cse1 (+ .cse2 main_~max~0 |main_~#str2~0.offset| .cse3 (- 3)))) .cse30) (and .cse28 (= .cse34 .cse33))))) (.cse14 (<= 5 main_~max~0)) (.cse22 (+ main_~i~0 .cse31)) (.cse5 (or (and (<= main_~max~0 .cse27) .cse30) (<= .cse23 .cse29))) (.cse6 (<= main_~max~0 5)) (.cse8 (or (<= .cse27 main_~max~0) (and .cse28 (<= .cse29 .cse23)))) (.cse24 (select .cse0 (+ |main_~#str1~0.offset| main_~max~0 .cse3 4294967295)))) (or (and (= (select .cse0 (+ |main_~#str1~0.offset| main_~i~0 4)) (select .cse1 (+ .cse2 main_~max~0 |main_~#str2~0.offset| .cse3 4294967291))) .cse4 .cse5 .cse6 .cse7 .cse8 (= (select .cse0 .cse9) .cse10) .cse11 .cse12 .cse13 .cse14 .cse15 (or .cse16 (= (select .cse17 (+ |main_~#str1~0.offset| 3)) (select .cse18 (+ main_~max~0 |main_~#str2~0.offset| .cse3 4294967292)))) (or .cse16 (= (select .cse18 (+ main_~max~0 |main_~#str2~0.offset| .cse3 4294967291)) (select .cse17 (+ |main_~#str1~0.offset| main_~i~0 5)))) .cse19 .cse20) (let ((.cse21 (+ main_~max~0 4294967293))) (and (<= .cse21 .cse22) .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse13 .cse14 .cse15 .cse19 (<= .cse22 .cse21) .cse20)) (and .cse14 .cse5 .cse6 (<= .cse23 .cse22) (<= .cse22 .cse23) .cse8) (and .cse4 (= .cse24 .cse10) .cse5 .cse6 .cse7 .cse8 (<= main_~i~0 1) .cse11 .cse12 .cse13 .cse14 .cse15 .cse19 (<= (+ main_~max~0 4294967292) .cse22) .cse20) (let ((.cse25 (+ main_~max~0 4294967294))) (and (<= .cse25 .cse22) .cse14 (<= .cse22 .cse25) .cse5 .cse6 .cse8 (= .cse26 .cse24))))))))) [2020-10-27 20:37:42,389 INFO L274 CegarLoopResult]: For program point L26-4(lines 26 29) no Hoare annotation was computed. [2020-10-27 20:37:42,389 INFO L274 CegarLoopResult]: For program point L18-2(lines 18 20) no Hoare annotation was computed. [2020-10-27 20:37:42,389 INFO L270 CegarLoopResult]: At program point L18-3(lines 18 20) the Hoare annotation is: (let ((.cse2 (<= main_~max~0 5)) (.cse0 (div main_~i~0 4294967296))) (or (let ((.cse1 (div (+ main_~max~0 4294967295) 4294967296))) (and (<= 5 main_~max~0) (<= (+ .cse0 .cse1) (+ (div main_~max~0 4294967296) 1)) .cse2 (<= (+ main_~max~0 4294967292) (+ main_~i~0 (* 4294967296 .cse1))))) (and .cse2 (<= (+ main_~i~0 5) main_~max~0) (< 0 (+ .cse0 1))))) [2020-10-27 20:37:42,389 INFO L274 CegarLoopResult]: For program point L18-4(lines 18 20) no Hoare annotation was computed. [2020-10-27 20:37:42,389 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2020-10-27 20:37:42,389 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 5 10) no Hoare annotation was computed. [2020-10-27 20:37:42,389 INFO L270 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-27 20:37:42,390 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-27 20:37:42,390 INFO L274 CegarLoopResult]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-10-27 20:37:42,390 INFO L274 CegarLoopResult]: For program point L6-2(lines 5 10) no Hoare annotation was computed. [2020-10-27 20:37:42,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:37:42 BoogieIcfgContainer [2020-10-27 20:37:42,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:37:42,539 INFO L168 Benchmark]: Toolchain (without parser) took 155461.31 ms. Allocated memory was 151.0 MB in the beginning and 671.1 MB in the end (delta: 520.1 MB). Free memory was 126.4 MB in the beginning and 485.8 MB in the end (delta: -359.3 MB). Peak memory consumption was 407.3 MB. Max. memory is 8.0 GB. [2020-10-27 20:37:42,540 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 101.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:37:42,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.80 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 116.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 20:37:42,541 INFO L168 Benchmark]: Boogie Preprocessor took 40.62 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:37:42,541 INFO L168 Benchmark]: RCFGBuilder took 407.31 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 133.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. [2020-10-27 20:37:42,542 INFO L168 Benchmark]: TraceAbstraction took 154740.39 ms. Allocated memory was 151.0 MB in the beginning and 671.1 MB in the end (delta: 520.1 MB). Free memory was 133.2 MB in the beginning and 485.8 MB in the end (delta: -352.5 MB). Peak memory consumption was 413.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:37:42,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 101.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 259.80 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 116.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.62 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 407.31 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 133.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 154740.39 ms. Allocated memory was 151.0 MB in the beginning and 671.1 MB in the end (delta: 520.1 MB). Free memory was 133.2 MB in the beginning and 485.8 MB in the end (delta: -352.5 MB). Peak memory consumption was 413.0 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 - 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 - 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: 3]: 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: 26]: Loop Invariant [2020-10-27 20:37:42,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1 + i + 4] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] && (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + i + 2] || str1 == str2)) && ((max <= i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648) || max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296))) && max <= 5) && (!(str1 == str2) || unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 1])) && (i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 <= max || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295))) && unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292]) && (0 < i + 1 || unknown-#memory_int-unknown[str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293])) && (0 < i + 1 || unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1 + i + 1])) && (0 < i + 1 || unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294])) && 5 <= max) && 0 <= i + 1) && (0 < i + 1 || unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292])) && (0 < i + 1 || unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] == unknown-#memory_int-unknown[str1][str1 + i + 5])) && (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str1][str1 + i + 1] || str1 == str2)) && ((!(str1 == str2) || (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3] && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648)) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 2]))) || ((((((((((((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + i + 2] || str1 == str2)) && ((max <= i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648) || max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296))) && max <= 5) && (!(str1 == str2) || unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 1])) && (i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 <= max || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295))) && (0 < i + 1 || unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1 + i + 1])) && (0 < i + 1 || unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294])) && 5 <= max) && 0 <= i + 1) && (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str1][str1 + i + 1] || str1 == str2)) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967293) && ((!(str1 == str2) || (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3] && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648)) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 2])))) || (((((5 <= max && ((max <= i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648) || max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296))) && max <= 5) && max + 4294967295 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295) && (i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 <= max || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295)))) || (((((((((((((((unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + i + 2] || str1 == str2) && unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292]) && ((max <= i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648) || max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296))) && max <= 5) && (!(str1 == str2) || unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 1])) && (i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 <= max || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295))) && i <= 1) && (0 < i + 1 || unknown-#memory_int-unknown[str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293])) && (0 < i + 1 || unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1 + i + 1])) && (0 < i + 1 || unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294])) && 5 <= max) && 0 <= i + 1) && (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str1][str1 + i + 1] || str1 == str2)) && max + 4294967292 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && ((!(str1 == str2) || (unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3] && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648)) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][str1 + i + 2])))) || ((((((max + 4294967294 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 5 <= max) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967294) && ((max <= i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 && 4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648) || max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296))) && max <= 5) && (i + j + 4294967296 * ((max + 4294967295) / 4294967296) + 1 <= max || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295))) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294] == unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295]) - InvariantResult [Line: 32]: Loop Invariant [2020-10-27 20:37:42,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:37:42,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -4]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292])) && unknown-#memory_int-unknown[str2][j + str2 + -2] == unknown-#memory_int-unknown[str1][str1 + i + 2]) && unknown-#memory_int-unknown[str1][str1 + 1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] == unknown-#memory_int-unknown[str1][str1 + 4]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -5]))) && unknown-#memory_int-unknown[str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][j + str2 + -3]) && max <= 5) && i <= 1) && unknown-#memory_int-unknown[str2][j + str2 + -1] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + 2]))) && 5 <= max) && unknown-#memory_int-unknown[str2][j + str2] == unknown-#memory_int-unknown[str1][str1 + i]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -1]))) && (((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967293) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295]) || 0 < i)) || (((((((((((max + 4294967294 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + 2]))) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -4]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292]))) && 5 <= max) && unknown-#memory_int-unknown[str1][str1 + 1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294]) && unknown-#memory_int-unknown[str2][j + str2] == unknown-#memory_int-unknown[str1][str1 + i]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] == unknown-#memory_int-unknown[str1][str1 + 4]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -5]))) && max <= 5) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -1]))) && (((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967293) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295]) || 0 < i)) && i <= 3) && unknown-#memory_int-unknown[str2][j + str2 + -1] == unknown-#memory_int-unknown[str1][str1 + i + 1])) || (((((((((i == 0 && unknown-#memory_int-unknown[str2][j + str2 + -2] == unknown-#memory_int-unknown[str1][str1 + i + 2]) && 5 <= max) && unknown-#memory_int-unknown[str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][j + str2 + -3]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -1]))) && max <= 5) && unknown-#memory_int-unknown[str1][str1 + i + 4] == unknown-#memory_int-unknown[str2][j + str2 + -4]) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967295) && max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296)) && unknown-#memory_int-unknown[str1][str1 + 1] == unknown-#memory_int-unknown[str2][j + str2 + -1])) || ((((((((((i <= 4 && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + 2]))) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -4]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292]))) && 5 <= max) && unknown-#memory_int-unknown[str1][str1 + 1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] == unknown-#memory_int-unknown[str1][str1 + 4]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -5]))) && unknown-#memory_int-unknown[str2][j + str2] == unknown-#memory_int-unknown[str1][str1 + i]) && max <= 5) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -1]))) && max + 4294967295 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && (((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967293) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295]) || 0 < i))) || (((((((((((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + 2])) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -4]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292]))) && 5 <= max) && unknown-#memory_int-unknown[str1][str1 + 1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294]) && i / 4294967296 + (max + 4294967295) / 4294967296 <= max / 4294967296 + 1) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] == unknown-#memory_int-unknown[str1][str1 + 4]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -5]))) && max <= 5) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -1]))) && max + 4294967296 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && (((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967293) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295]) || 0 < i))) || ((((((((((((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -4]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967292]))) && unknown-#memory_int-unknown[str2][j + str2 + -2] == unknown-#memory_int-unknown[str1][str1 + i + 2]) && unknown-#memory_int-unknown[str1][str1 + 1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967294]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967291] == unknown-#memory_int-unknown[str1][str1 + 4]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -5]))) && max <= 5) && unknown-#memory_int-unknown[str2][j + str2 + -1] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && ((4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1 + 2] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -3]) || (max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + 2]))) && 5 <= max) && i <= 2) && unknown-#memory_int-unknown[str2][j + str2] == unknown-#memory_int-unknown[str1][str1 + i]) && ((max + 2147483648 <= 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295] == unknown-#memory_int-unknown[str1][str1]) || (4294967296 * ((max + 4294967295) / 4294967296) < max + 2147483648 && unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + -1]))) && (((max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967293) && unknown-#memory_int-unknown[str2][max + str2 + (max + 4294967295) / 4294967296 * -4294967296 + 4294967293] == unknown-#memory_int-unknown[str1][str1 + max + (max + 4294967295) / 4294967296 * -4294967296 + 4294967295]) || 0 < i)) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((5 <= max && i / 4294967296 + (max + 4294967295) / 4294967296 <= max / 4294967296 + 1) && max <= 5) && max + 4294967292 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || ((max <= 5 && i + 5 <= max) && 0 < i / 4294967296 + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 140.0s, OverallIterations: 18, TraceHistogramMax: 6, AutomataDifference: 48.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 503 SDslu, 1652 SDs, 0 SdLazy, 7949 SolverSat, 631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 566 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1522 ImplicationChecksByTransitivity, 67.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 127 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 82 PreInvPairs, 136 NumberOfFragments, 6658 HoareAnnotationTreeSize, 82 FomulaSimplifications, 31452 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 11 FomulaSimplificationsInter, 256971 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 90.1s InterpolantComputationTime, 734 NumberOfCodeBlocks, 734 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 716 ConstructedInterpolants, 0 QuantifiedInterpolants, 1219346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 314/725 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...