/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:31:07,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:31:07,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:31:07,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:31:07,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:31:07,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:31:07,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:31:07,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:31:07,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:31:07,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:31:07,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:31:07,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:31:07,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:31:07,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:31:07,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:31:07,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:31:07,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:31:07,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:31:07,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:31:07,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:31:07,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:31:07,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:31:07,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:31:07,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:31:07,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:31:07,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:31:07,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:31:07,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:31:07,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:31:07,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:31:07,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:31:07,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:31:07,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:31:07,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:31:07,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:31:07,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:31:07,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:31:07,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:31:07,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:31:07,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:31:07,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:31:07,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:31:07,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:31:07,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:31:07,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:31:07,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:31:07,569 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:31:07,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:31:07,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:31:07,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:31:07,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:31:07,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:31:07,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:31:07,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:31:07,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:31:07,575 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:31:07,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:31:07,575 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:31:07,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:31:07,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:31:07,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:31:07,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:31:07,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:31:07,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:31:07,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:31:07,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:31:07,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:31:07,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:31:07,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:31:07,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:31:07,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:31:07,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:31:08,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:31:08,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:31:08,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:31:08,081 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:31:08,082 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:31:08,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i [2020-10-28 17:31:08,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1648bcd6/1872f3aee1b94f9796e6ef1c4d0772ed/FLAG85f7c6a1e [2020-10-28 17:31:08,827 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:31:08,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/reducercommutativity/sum05-2.i [2020-10-28 17:31:08,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1648bcd6/1872f3aee1b94f9796e6ef1c4d0772ed/FLAG85f7c6a1e [2020-10-28 17:31:08,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1648bcd6/1872f3aee1b94f9796e6ef1c4d0772ed [2020-10-28 17:31:08,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:31:08,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:31:08,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:31:08,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:31:08,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:31:08,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:31:08" (1/1) ... [2020-10-28 17:31:08,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb188e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:08, skipping insertion in model container [2020-10-28 17:31:08,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:31:08" (1/1) ... [2020-10-28 17:31:08,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:31:08,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:31:09,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:31:09,100 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:31:09,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:31:09,141 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:31:09,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09 WrapperNode [2020-10-28 17:31:09,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:31:09,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:31:09,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:31:09,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:31:09,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... [2020-10-28 17:31:09,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:31:09,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:31:09,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:31:09,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:31:09,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:31:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:31:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:31:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:31:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-10-28 17:31:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:31:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:31:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:31:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 17:31:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 17:31:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:31:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:31:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:31:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-10-28 17:31:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:31:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:31:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:31:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:31:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:31:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:31:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:31:09,661 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:31:09,661 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-28 17:31:09,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:31:09 BoogieIcfgContainer [2020-10-28 17:31:09,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:31:09,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:31:09,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:31:09,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:31:09,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:31:08" (1/3) ... [2020-10-28 17:31:09,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26db3165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:31:09, skipping insertion in model container [2020-10-28 17:31:09,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:31:09" (2/3) ... [2020-10-28 17:31:09,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26db3165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:31:09, skipping insertion in model container [2020-10-28 17:31:09,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:31:09" (3/3) ... [2020-10-28 17:31:09,676 INFO L111 eAbstractionObserver]: Analyzing ICFG sum05-2.i [2020-10-28 17:31:09,714 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:31:09,719 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:31:09,733 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:31:09,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:31:09,762 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:31:09,762 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:31:09,762 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:31:09,762 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:31:09,763 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:31:09,763 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:31:09,763 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:31:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-28 17:31:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 17:31:09,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:09,790 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:09,790 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:09,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:09,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1900796497, now seen corresponding path program 1 times [2020-10-28 17:31:09,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:09,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753267310] [2020-10-28 17:31:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:10,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:10,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:10,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:11,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 17:31:11,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:31:11,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1460 [2020-10-28 17:31:11,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:11,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:31:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 17:31:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:11,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:11,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:11,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:31:11,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:11,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:11,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 17:31:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:11,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:11,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:11,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:31:11,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:11,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:31:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:11,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 17:31:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:11,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:31:11,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:11,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:11,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:31:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:31:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:11,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:11,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:11,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:31:11,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:11,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:31:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:11,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 17:31:11,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753267310] [2020-10-28 17:31:11,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:11,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-10-28 17:31:11,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368609586] [2020-10-28 17:31:11,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 17:31:11,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:11,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 17:31:11,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 17:31:11,744 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-10-28 17:31:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:11,937 INFO L93 Difference]: Finished difference Result 60 states and 80 transitions. [2020-10-28 17:31:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 17:31:11,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-28 17:31:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:11,952 INFO L225 Difference]: With dead ends: 60 [2020-10-28 17:31:11,952 INFO L226 Difference]: Without dead ends: 28 [2020-10-28 17:31:11,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 17:31:11,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-28 17:31:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-28 17:31:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-28 17:31:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-10-28 17:31:12,013 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 34 [2020-10-28 17:31:12,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:12,013 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-10-28 17:31:12,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 17:31:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-10-28 17:31:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 17:31:12,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:12,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:12,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:31:12,017 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1640105647, now seen corresponding path program 1 times [2020-10-28 17:31:12,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:12,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250162788] [2020-10-28 17:31:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:12,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:12,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:12,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:12,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:13,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 17:31:13,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:31:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1844 [2020-10-28 17:31:13,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:13,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:31:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:31:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:31:13,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:13,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:13,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:13,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:13,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:13,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:31:13,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:13,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:13,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:13,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:13,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:13,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 17:31:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:13,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:13,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:13,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:31:13,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:13,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:13,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 17:31:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:13,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:13,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:13,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:31:13,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:13,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:31:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:13,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:13,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:13,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:13,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:31:13,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:13,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 17:31:14,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250162788] [2020-10-28 17:31:14,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:31:14,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:31:14,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784696166] [2020-10-28 17:31:14,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:31:14,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:14,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:31:14,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:31:14,009 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2020-10-28 17:31:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:14,160 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-10-28 17:31:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:31:14,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-28 17:31:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:14,162 INFO L225 Difference]: With dead ends: 50 [2020-10-28 17:31:14,162 INFO L226 Difference]: Without dead ends: 30 [2020-10-28 17:31:14,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:31:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-28 17:31:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-28 17:31:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-28 17:31:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-10-28 17:31:14,173 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 34 [2020-10-28 17:31:14,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:14,174 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-10-28 17:31:14,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:31:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-10-28 17:31:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 17:31:14,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:14,176 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:14,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:31:14,176 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:14,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:14,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1356580685, now seen corresponding path program 1 times [2020-10-28 17:31:14,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:14,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879075919] [2020-10-28 17:31:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:14,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:14,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:14,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:14,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:16,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 17:31:16,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:31:16,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2207 [2020-10-28 17:31:16,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:16,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:16,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:31:16,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:31:16,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:31:16,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:16,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:16,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:16,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:16,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:31:16,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:16,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:31:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:16,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:16,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:16,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:31:16,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:16,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:16,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:31:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:16,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:16,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:16,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:31:16,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:16,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 17:31:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:16,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:16,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:16,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:16,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:31:16,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:16,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:16,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:16,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:31:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 17:31:16,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879075919] [2020-10-28 17:31:16,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:16,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 17:31:16,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035920132] [2020-10-28 17:31:16,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:31:16,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:16,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:31:16,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:31:16,557 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 5 states. [2020-10-28 17:31:16,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:16,797 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2020-10-28 17:31:16,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:31:16,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-28 17:31:16,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:16,804 INFO L225 Difference]: With dead ends: 52 [2020-10-28 17:31:16,804 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:31:16,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:31:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:31:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2020-10-28 17:31:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-28 17:31:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-10-28 17:31:16,825 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 36 [2020-10-28 17:31:16,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:16,826 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-10-28 17:31:16,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:31:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-10-28 17:31:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 17:31:16,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:16,831 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:16,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:31:16,832 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:16,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:16,833 INFO L82 PathProgramCache]: Analyzing trace with hash 527968149, now seen corresponding path program 2 times [2020-10-28 17:31:16,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:16,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321883438] [2020-10-28 17:31:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:16,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:16,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:17,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:17,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:19,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 17:31:19,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:31:19,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3002 [2020-10-28 17:31:19,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:19,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:31:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 17:31:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:31:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:19,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:19,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:19,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:19,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:31:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:19,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:19,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 17:31:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:19,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:19,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:31:19,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:19,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:19,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:31:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:19,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:31:19,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:19,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:19,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 17:31:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:19,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:31:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 17:31:20,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:20,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:31:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:31:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:31:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 17:31:20,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321883438] [2020-10-28 17:31:20,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:31:20,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:31:20,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395732743] [2020-10-28 17:31:20,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:31:20,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:20,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:31:20,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:31:20,023 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 4 states. [2020-10-28 17:31:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:20,276 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2020-10-28 17:31:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:31:20,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-10-28 17:31:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:20,279 INFO L225 Difference]: With dead ends: 52 [2020-10-28 17:31:20,279 INFO L226 Difference]: Without dead ends: 33 [2020-10-28 17:31:20,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:31:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-28 17:31:20,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2020-10-28 17:31:20,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:31:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2020-10-28 17:31:20,303 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 38 [2020-10-28 17:31:20,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:20,303 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2020-10-28 17:31:20,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:31:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-10-28 17:31:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 17:31:20,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:20,305 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:20,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:31:20,305 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:20,307 INFO L82 PathProgramCache]: Analyzing trace with hash 147249011, now seen corresponding path program 1 times [2020-10-28 17:31:20,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:20,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607534796] [2020-10-28 17:31:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:20,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:20,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:20,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:25,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 17:31:25,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:31:25,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:25,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:25,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:31:25,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 17:31:25,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:31:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:25,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:25,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:25,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:25,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:31:25,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:25,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 17:31:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:25,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:25,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 17:31:25,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:25,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:31:25,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:25,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:25,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:25,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:25,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:25,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 17:31:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:25,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:25,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 17:31:25,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:25,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 17:31:25,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:25,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:25,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:25,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 17:31:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:25,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:25,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 17:31:25,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:31:25,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:25,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:31:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:31:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:31:25,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 17:31:25,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607534796] [2020-10-28 17:31:25,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:25,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 17:31:25,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248519278] [2020-10-28 17:31:25,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:31:25,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:25,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:31:25,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:31:25,520 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 5 states. [2020-10-28 17:31:25,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:25,826 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2020-10-28 17:31:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:31:25,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-10-28 17:31:25,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:25,828 INFO L225 Difference]: With dead ends: 55 [2020-10-28 17:31:25,828 INFO L226 Difference]: Without dead ends: 35 [2020-10-28 17:31:25,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:31:25,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-28 17:31:25,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2020-10-28 17:31:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-28 17:31:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2020-10-28 17:31:25,843 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 44 [2020-10-28 17:31:25,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:25,845 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2020-10-28 17:31:25,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:31:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2020-10-28 17:31:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-28 17:31:25,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:25,848 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:25,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:31:25,849 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:25,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:25,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1486624559, now seen corresponding path program 2 times [2020-10-28 17:31:25,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:25,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111292079] [2020-10-28 17:31:25,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:25,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:25,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:27,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:30,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:30,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:31:30,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:31:30,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:30,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:31:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:31:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:31:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:30,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:30,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:30,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:30,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:30,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:31:30,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:30,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 17:31:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:30,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:30,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:31,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:31:31,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:31,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 17:31:31,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:31,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:31,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:31,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:31,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:31,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:31,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:31:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:31,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:31:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:31:31,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:31,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:31,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:31:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:31,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:31,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:31:31,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:31,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:31:31,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:31,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:31:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:31,108 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-28 17:31:31,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111292079] [2020-10-28 17:31:31,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:31:31,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:31:31,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155823351] [2020-10-28 17:31:31,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:31:31,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:31,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:31:31,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:31:31,111 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 4 states. [2020-10-28 17:31:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:31,248 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2020-10-28 17:31:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:31:31,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-10-28 17:31:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:31,250 INFO L225 Difference]: With dead ends: 53 [2020-10-28 17:31:31,250 INFO L226 Difference]: Without dead ends: 36 [2020-10-28 17:31:31,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:31:31,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-28 17:31:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2020-10-28 17:31:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-28 17:31:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-10-28 17:31:31,257 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 50 [2020-10-28 17:31:31,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:31,259 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-10-28 17:31:31,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:31:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-10-28 17:31:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 17:31:31,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:31,261 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:31,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:31:31,261 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:31,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:31,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1352891471, now seen corresponding path program 1 times [2020-10-28 17:31:31,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:31,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762348629] [2020-10-28 17:31:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:31,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:32,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:36,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 17:31:36,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:36,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:31:36,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:36,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:31:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 17:31:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:31:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:36,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:36,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:36,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:36,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:31:36,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:36,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:36,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:36,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:36,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 17:31:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:36,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:31:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:31:36,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:36,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:31:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:31:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:31:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:36,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:31:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:36,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:36,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:31:36,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:31:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:36,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:31:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:36,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:31:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:36,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:36,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:31:36,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 17:31:36,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:36,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:31:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:36,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:36,493 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 17:31:36,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762348629] [2020-10-28 17:31:36,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:36,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 17:31:36,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617195484] [2020-10-28 17:31:36,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:31:36,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:36,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:31:36,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:31:36,499 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 6 states. [2020-10-28 17:31:36,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:36,833 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2020-10-28 17:31:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:31:36,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-28 17:31:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:36,836 INFO L225 Difference]: With dead ends: 61 [2020-10-28 17:31:36,836 INFO L226 Difference]: Without dead ends: 38 [2020-10-28 17:31:36,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:31:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-28 17:31:36,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2020-10-28 17:31:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 17:31:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-28 17:31:36,848 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 52 [2020-10-28 17:31:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:36,849 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-28 17:31:36,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:31:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-28 17:31:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:31:36,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:36,851 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:36,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:31:36,851 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:36,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:36,852 INFO L82 PathProgramCache]: Analyzing trace with hash -67135571, now seen corresponding path program 2 times [2020-10-28 17:31:36,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:36,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088452879] [2020-10-28 17:31:36,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:36,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:36,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:41,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-28 17:31:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:31:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:41,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:31:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:31:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:31:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:41,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:41,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:41,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:31:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:41,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 17:31:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:42,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:42,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:31:42,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:42,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 17:31:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:42,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:42,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:31:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:42,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:42,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:31:42,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:42,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 17:31:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:42,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:42,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 17:31:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:42,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:42,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:42,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:31:42,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:42,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 17:31:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 17:31:42,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088452879] [2020-10-28 17:31:42,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:42,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 17:31:42,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706471782] [2020-10-28 17:31:42,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:31:42,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:42,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:31:42,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:31:42,103 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 6 states. [2020-10-28 17:31:42,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:42,287 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2020-10-28 17:31:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:31:42,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 17:31:42,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:42,289 INFO L225 Difference]: With dead ends: 66 [2020-10-28 17:31:42,289 INFO L226 Difference]: Without dead ends: 40 [2020-10-28 17:31:42,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:31:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-28 17:31:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2020-10-28 17:31:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-28 17:31:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-28 17:31:42,296 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 58 [2020-10-28 17:31:42,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:42,297 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-28 17:31:42,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:31:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-28 17:31:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:31:42,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:42,298 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:42,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:31:42,299 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:42,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:42,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1202302705, now seen corresponding path program 3 times [2020-10-28 17:31:42,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:42,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823568432] [2020-10-28 17:31:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:43,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:47,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 17:31:47,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:31:47,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:47,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:47,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:31:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:31:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:31:47,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:47,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:47,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:47,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:31:47,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:47,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:47,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:31:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:47,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:47,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:47,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:47,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 17:31:47,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:47,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:47,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:47,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 17:31:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:47,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:31:47,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:47,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:31:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:47,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:47,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:47,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 17:31:47,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:47,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 17:31:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-28 17:31:47,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823568432] [2020-10-28 17:31:47,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:47,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 17:31:47,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152400989] [2020-10-28 17:31:47,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:31:47,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:47,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:31:47,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:31:47,522 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 5 states. [2020-10-28 17:31:47,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:47,666 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2020-10-28 17:31:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:31:47,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-28 17:31:47,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:47,669 INFO L225 Difference]: With dead ends: 61 [2020-10-28 17:31:47,669 INFO L226 Difference]: Without dead ends: 42 [2020-10-28 17:31:47,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:31:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-28 17:31:47,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2020-10-28 17:31:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-28 17:31:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-10-28 17:31:47,677 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 60 [2020-10-28 17:31:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:47,677 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-10-28 17:31:47,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:31:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-10-28 17:31:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 17:31:47,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:47,679 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:47,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:31:47,679 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:47,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1065768205, now seen corresponding path program 4 times [2020-10-28 17:31:47,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:47,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456914063] [2020-10-28 17:31:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:49,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:52,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 17:31:52,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:52,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:31:52,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:52,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:31:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 17:31:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:31:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:31:52,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:52,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:52,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:52,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:52,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:31:52,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:52,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:52,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:31:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:52,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:52,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:52,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:52,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 17:31:52,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:52,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:52,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:52,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:52,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:52,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 17:31:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:52,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:52,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:31:52,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:52,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:52,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:52,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:31:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:52,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:52,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:52,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:31:52,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:31:52,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:52,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:31:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:31:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:31:52,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-28 17:31:52,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456914063] [2020-10-28 17:31:52,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:52,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 17:31:52,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352694421] [2020-10-28 17:31:52,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:31:52,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:52,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:31:52,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:31:52,987 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 7 states. [2020-10-28 17:31:53,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:53,317 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2020-10-28 17:31:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:31:53,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-10-28 17:31:53,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:53,319 INFO L225 Difference]: With dead ends: 71 [2020-10-28 17:31:53,319 INFO L226 Difference]: Without dead ends: 44 [2020-10-28 17:31:53,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:31:53,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-28 17:31:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-10-28 17:31:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-28 17:31:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-10-28 17:31:53,326 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 62 [2020-10-28 17:31:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:53,327 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-10-28 17:31:53,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:31:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-10-28 17:31:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 17:31:53,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:53,328 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:53,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:31:53,328 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:53,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:53,329 INFO L82 PathProgramCache]: Analyzing trace with hash 54216939, now seen corresponding path program 5 times [2020-10-28 17:31:53,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:53,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459942677] [2020-10-28 17:31:53,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:53,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:53,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:53,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:58,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 17:31:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:31:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:58,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:31:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:58,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:58,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:31:58,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:58,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:31:58,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:58,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:58,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:31:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:58,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:31:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:58,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:31:58,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:58,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 17:31:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:58,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:31:58,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:58,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 17:31:58,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:58,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 17:31:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:58,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:31:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:58,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:58,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:31:58,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:31:58,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:31:58,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 17:31:58,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:31:58,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:31:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:31:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 17:31:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:31:58,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:31:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-28 17:31:58,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459942677] [2020-10-28 17:31:58,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:31:58,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:31:58,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590869738] [2020-10-28 17:31:58,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:31:58,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:31:58,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:31:58,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:31:58,605 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 8 states. [2020-10-28 17:31:58,880 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-28 17:31:59,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:31:59,181 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2020-10-28 17:31:59,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:31:59,182 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-10-28 17:31:59,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:31:59,183 INFO L225 Difference]: With dead ends: 74 [2020-10-28 17:31:59,183 INFO L226 Difference]: Without dead ends: 45 [2020-10-28 17:31:59,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:31:59,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-28 17:31:59,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-28 17:31:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-28 17:31:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-28 17:31:59,191 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 68 [2020-10-28 17:31:59,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:31:59,192 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-28 17:31:59,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:31:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-28 17:31:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 17:31:59,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:31:59,193 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:31:59,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:31:59,193 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:31:59,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:31:59,194 INFO L82 PathProgramCache]: Analyzing trace with hash -861790647, now seen corresponding path program 6 times [2020-10-28 17:31:59,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:31:59,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215524674] [2020-10-28 17:31:59,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:31:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:31:59,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:31:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:00,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:00,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:32:00,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:00,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:32:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:00,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:00,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:00,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:32:00,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:32:00,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:00,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:00,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:32:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:00,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:00,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:00,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:00,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:32:00,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:00,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:00,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 17:32:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:00,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:00,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:00,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:32:00,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:00,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:00,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 17:32:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:00,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:00,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:32:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:00,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-28 17:32:00,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215524674] [2020-10-28 17:32:00,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:32:00,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 17:32:00,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932363181] [2020-10-28 17:32:00,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:32:00,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:32:00,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:32:00,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:32:00,447 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 7 states. [2020-10-28 17:32:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:32:00,629 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2020-10-28 17:32:00,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:32:00,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-10-28 17:32:00,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:32:00,631 INFO L225 Difference]: With dead ends: 80 [2020-10-28 17:32:00,631 INFO L226 Difference]: Without dead ends: 48 [2020-10-28 17:32:00,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:32:00,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-28 17:32:00,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2020-10-28 17:32:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-28 17:32:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-10-28 17:32:00,639 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 74 [2020-10-28 17:32:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:32:00,639 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-10-28 17:32:00,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:32:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-10-28 17:32:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-28 17:32:00,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:32:00,640 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:32:00,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:32:00,640 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:32:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:32:00,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1083321429, now seen corresponding path program 7 times [2020-10-28 17:32:00,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:32:00,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421319287] [2020-10-28 17:32:00,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:32:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:00,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:00,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1254 [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:32:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:32:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:32:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:32:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:32:02,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:32:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 17:32:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:32:02,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:32:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:02,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:32:02,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:32:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:02,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:32:02,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-28 17:32:02,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421319287] [2020-10-28 17:32:02,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:32:02,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:32:02,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973785904] [2020-10-28 17:32:02,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:32:02,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:32:02,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:32:02,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:32:02,091 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 8 states. [2020-10-28 17:32:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:32:02,294 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2020-10-28 17:32:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:32:02,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2020-10-28 17:32:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:32:02,296 INFO L225 Difference]: With dead ends: 81 [2020-10-28 17:32:02,296 INFO L226 Difference]: Without dead ends: 49 [2020-10-28 17:32:02,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:32:02,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-28 17:32:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-28 17:32:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-28 17:32:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-10-28 17:32:02,306 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 76 [2020-10-28 17:32:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:32:02,306 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-10-28 17:32:02,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:32:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-10-28 17:32:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-28 17:32:02,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:32:02,307 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 5, 5, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:32:02,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:32:02,308 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:32:02,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:32:02,308 INFO L82 PathProgramCache]: Analyzing trace with hash 773961869, now seen corresponding path program 8 times [2020-10-28 17:32:02,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:32:02,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674286822] [2020-10-28 17:32:02,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:32:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 17:32:02,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-28 17:32:02,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:32:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:32:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:32:02,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:32:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:32:02,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:32:02,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 17:32:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:02,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:32:02,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:02,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 17:32:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:32:02,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:32:02,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 17:32:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:02,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:02,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:02,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:32:02,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:02,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:32:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-28 17:32:02,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674286822] [2020-10-28 17:32:02,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:32:02,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 17:32:02,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814898343] [2020-10-28 17:32:02,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:32:02,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:32:02,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:32:02,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:32:02,665 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 6 states. [2020-10-28 17:32:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:32:02,880 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-10-28 17:32:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:32:02,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-10-28 17:32:02,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:32:02,882 INFO L225 Difference]: With dead ends: 75 [2020-10-28 17:32:02,882 INFO L226 Difference]: Without dead ends: 52 [2020-10-28 17:32:02,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:32:02,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-28 17:32:02,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2020-10-28 17:32:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-28 17:32:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2020-10-28 17:32:02,902 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 78 [2020-10-28 17:32:02,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:32:02,905 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2020-10-28 17:32:02,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:32:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2020-10-28 17:32:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 17:32:02,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:32:02,906 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 5, 5, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:32:02,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:32:02,911 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:32:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:32:02,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1570956555, now seen corresponding path program 9 times [2020-10-28 17:32:02,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:32:02,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794625376] [2020-10-28 17:32:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:32:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:02,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:03,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:03,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 17:32:03,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-28 17:32:03,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:03,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:32:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:32:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:32:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:03,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:32:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:03,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:03,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:03,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 17:32:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:03,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:03,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:03,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:03,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:03,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:32:03,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:03,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:03,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:03,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:03,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:03,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:03,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 17:32:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:03,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:03,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 17:32:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:32:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-28 17:32:03,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794625376] [2020-10-28 17:32:03,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:32:03,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 17:32:03,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482541912] [2020-10-28 17:32:03,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:32:03,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:32:03,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:32:03,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:32:03,585 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 7 states. [2020-10-28 17:32:03,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:32:03,783 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2020-10-28 17:32:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:32:03,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-10-28 17:32:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:32:03,786 INFO L225 Difference]: With dead ends: 76 [2020-10-28 17:32:03,786 INFO L226 Difference]: Without dead ends: 53 [2020-10-28 17:32:03,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:32:03,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-28 17:32:03,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-28 17:32:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-28 17:32:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2020-10-28 17:32:03,794 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 80 [2020-10-28 17:32:03,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:32:03,794 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2020-10-28 17:32:03,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:32:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2020-10-28 17:32:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 17:32:03,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:32:03,796 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 5, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:32:03,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 17:32:03,796 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:32:03,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:32:03,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1316296183, now seen corresponding path program 10 times [2020-10-28 17:32:03,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:32:03,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475180170] [2020-10-28 17:32:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:32:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:03,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-28 17:32:08,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 17:32:08,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 17:32:08,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:09,931 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-28 17:32:10,126 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 54 [2020-10-28 17:32:10,322 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2020-10-28 17:32:12,866 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2020-10-28 17:32:13,218 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-10-28 17:32:15,627 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 47 [2020-10-28 17:32:20,126 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2020-10-28 17:32:20,492 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2020-10-28 17:32:22,807 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2020-10-28 17:32:23,224 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 51 [2020-10-28 17:32:25,679 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2020-10-28 17:32:30,163 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2020-10-28 17:32:32,527 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2020-10-28 17:32:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:32:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:32,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:32,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:32,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:32:32,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:32:32,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:32:32,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:32,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:32:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:32:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 17:32:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:33,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:33,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:33,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:33,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:33,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:33,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:32:33,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-28 17:32:33,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:33,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-28 17:32:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 17:32:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:36,086 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-10-28 17:32:36,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 17:32:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:36,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:36,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:36,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:36,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:37,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:37,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:37,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:32:37,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 977 [2020-10-28 17:32:37,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:37,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:32:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 17:32:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:41,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 17:32:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:32:41,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:41,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:41,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:32:41,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:32:41,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:32:41,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:32:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-28 17:32:41,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:32:41,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:32:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:32:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:32:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 17:32:41,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:32:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 29 proven. 238 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-28 17:32:43,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475180170] [2020-10-28 17:32:43,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:32:43,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-28 17:32:43,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846622214] [2020-10-28 17:32:43,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-28 17:32:43,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:32:43,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-28 17:32:43,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1678, Unknown=8, NotChecked=0, Total=1806 [2020-10-28 17:32:43,795 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 43 states. [2020-10-28 17:32:46,124 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-10-28 17:32:46,622 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-10-28 17:32:47,374 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-10-28 17:32:47,950 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-10-28 17:32:48,995 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2020-10-28 17:32:49,698 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2020-10-28 17:32:50,165 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-28 17:32:52,679 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 61 [2020-10-28 17:32:57,584 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2020-10-28 17:32:58,863 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 17:33:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:33:02,138 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2020-10-28 17:33:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 17:33:02,139 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 82 [2020-10-28 17:33:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:33:02,142 INFO L225 Difference]: With dead ends: 83 [2020-10-28 17:33:02,142 INFO L226 Difference]: Without dead ends: 77 [2020-10-28 17:33:02,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 9 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 43.4s TimeCoverageRelationStatistics Valid=291, Invalid=3990, Unknown=9, NotChecked=0, Total=4290 [2020-10-28 17:33:02,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-28 17:33:02,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2020-10-28 17:33:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-28 17:33:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions. [2020-10-28 17:33:02,159 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 82 [2020-10-28 17:33:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:33:02,159 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions. [2020-10-28 17:33:02,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-28 17:33:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2020-10-28 17:33:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:33:02,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:33:02,161 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 5, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:33:02,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 17:33:02,161 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:33:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:33:02,162 INFO L82 PathProgramCache]: Analyzing trace with hash 28489511, now seen corresponding path program 11 times [2020-10-28 17:33:02,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:33:02,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446558261] [2020-10-28 17:33:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:33:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:02,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:03,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:03,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:33:03,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 852 [2020-10-28 17:33:03,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:33:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:33:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:33:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:03,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:33:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:03,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:03,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:33:03,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:33:03,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:03,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:03,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:33:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:03,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 17:33:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:03,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:03,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 17:33:03,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:33:03,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:03,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:33:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:33:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:33:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:33:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:03,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:03,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:03,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:33:03,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:03,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:33:03,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:03,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:33:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:03,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:03,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 17:33:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:03,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:03,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:03,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:33:03,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:33:03,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:03,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:33:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:03,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 36 proven. 150 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-10-28 17:33:03,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446558261] [2020-10-28 17:33:03,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:33:03,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:33:03,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147449067] [2020-10-28 17:33:03,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:33:03,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:33:03,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:33:03,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:33:03,281 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand 9 states. [2020-10-28 17:33:03,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:33:03,725 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2020-10-28 17:33:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:33:03,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-28 17:33:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:33:03,728 INFO L225 Difference]: With dead ends: 97 [2020-10-28 17:33:03,728 INFO L226 Difference]: Without dead ends: 55 [2020-10-28 17:33:03,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:33:03,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-28 17:33:03,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-28 17:33:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-28 17:33:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2020-10-28 17:33:03,737 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 84 [2020-10-28 17:33:03,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:33:03,738 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2020-10-28 17:33:03,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:33:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-10-28 17:33:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:33:03,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:33:03,739 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 5, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:33:03,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 17:33:03,739 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:33:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:33:03,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1417304185, now seen corresponding path program 12 times [2020-10-28 17:33:03,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:33:03,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85170070] [2020-10-28 17:33:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:33:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:04,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:05,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:33:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:08,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:33:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:08,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:08,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:33:08,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:08,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:33:08,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:08,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:08,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:08,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:33:08,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:08,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:08,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 17:33:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:08,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:33:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:33:08,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:08,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:33:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:08,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 17:33:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:08,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:08,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:08,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:33:08,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:33:08,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:08,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:33:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:08,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 17:33:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:33:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:33:08,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:33:08,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 17:33:08,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:33:08,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:33:08,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:33:08,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:33:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:33:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:33:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:33:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:33:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-28 17:33:08,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85170070] [2020-10-28 17:33:08,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:33:08,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:33:08,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428164885] [2020-10-28 17:33:08,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:33:08,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:33:08,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:33:08,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:33:08,927 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 8 states. [2020-10-28 17:33:09,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:33:09,125 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2020-10-28 17:33:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:33:09,127 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-28 17:33:09,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:33:09,128 INFO L225 Difference]: With dead ends: 70 [2020-10-28 17:33:09,128 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:33:09,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:33:09,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:33:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:33:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:33:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:33:09,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-10-28 17:33:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:33:09,130 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:33:09,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:33:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:33:09,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:33:09,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 17:33:09,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:33:10,487 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 85 [2020-10-28 17:33:23,656 WARN L193 SmtUtils]: Spent 13.12 s on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-10-28 17:33:23,716 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-28 17:33:23,716 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-28 17:33:23,716 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-28 17:33:23,716 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-28 17:33:23,716 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-28 17:33:23,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:33:23,716 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-28 17:33:23,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:33:23,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:33:23,717 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 17:33:23,717 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:33:23,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:33:23,717 INFO L274 CegarLoopResult]: For program point sumEXIT(lines 15 24) no Hoare annotation was computed. [2020-10-28 17:33:23,717 INFO L277 CegarLoopResult]: At program point sumENTRY(lines 15 24) the Hoare annotation is: true [2020-10-28 17:33:23,717 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2020-10-28 17:33:23,718 INFO L270 CegarLoopResult]: At program point L20-3(lines 20 22) the Hoare annotation is: (let ((.cse10 (select |#memory_int| sum_~x.base)) (.cse6 (+ |sum_#in~x.offset| 4)) (.cse4 (* 4 sum_~i~0))) (let ((.cse1 (* sum_~i~0 4)) (.cse11 (+ |sum_#in~x.offset| 8)) (.cse8 (+ sum_~x.offset .cse4)) (.cse9 (<= sum_~x.offset |sum_#in~x.offset|)) (.cse12 (select .cse10 .cse6)) (.cse0 (= |sum_#in~x.base| sum_~x.base)) (.cse2 (= sum_~x.offset |sum_#in~x.offset|)) (.cse13 (select .cse10 |sum_#in~x.offset|))) (or (and .cse0 (<= sum_~ret~0 0) (= .cse1 0) (<= 0 sum_~ret~0) .cse2) (let ((.cse3 (let ((.cse5 (select |#memory_int| |sum_#in~x.base|))) (+ (select .cse5 (+ .cse1 |sum_#in~x.offset| (- 8))) (select .cse5 (+ .cse1 |sum_#in~x.offset| (- 4))) (select .cse5 .cse6) (select .cse5 |sum_#in~x.offset|) (select .cse5 (+ .cse1 |sum_#in~x.offset| (- 12))))))) (and (<= sum_~ret~0 .cse3) (<= 5 sum_~i~0) (<= .cse3 sum_~ret~0) (<= .cse4 20))) (let ((.cse7 (+ (select .cse10 .cse11) .cse12 .cse13))) (and .cse0 (<= .cse7 sum_~ret~0) (<= (+ |sum_#in~x.offset| 12) .cse8) (<= sum_~ret~0 .cse7) (<= sum_~i~0 3) .cse9)) (let ((.cse14 (select .cse10 (+ sum_~x.offset .cse1 (- 4)))) (.cse15 (select .cse10 (+ sum_~x.offset .cse1 (- 8))))) (and (<= 4 sum_~i~0) .cse0 (<= sum_~i~0 4) (<= (+ (select .cse10 (+ sum_~x.offset 4)) .cse14 .cse15 .cse13) sum_~ret~0) (<= sum_~ret~0 (+ .cse14 .cse15 (select .cse10 (+ sum_~x.offset .cse1 (- 12))) .cse13)) .cse2)) (let ((.cse16 (+ .cse12 .cse13))) (and .cse0 (<= .cse11 .cse8) (<= .cse16 sum_~ret~0) (<= sum_~ret~0 .cse16) (<= sum_~i~0 2) .cse9)) (and (<= 1 sum_~i~0) .cse0 (<= sum_~i~0 1) (<= sum_~ret~0 .cse13) .cse2 (<= .cse13 sum_~ret~0))))) [2020-10-28 17:33:23,718 INFO L274 CegarLoopResult]: For program point L20-4(lines 20 22) no Hoare annotation was computed. [2020-10-28 17:33:23,718 INFO L274 CegarLoopResult]: For program point sumFINAL(lines 15 24) no Hoare annotation was computed. [2020-10-28 17:33:23,719 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 26 53) no Hoare annotation was computed. [2020-10-28 17:33:23,719 INFO L270 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: false [2020-10-28 17:33:23,719 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 26 53) no Hoare annotation was computed. [2020-10-28 17:33:23,719 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-28 17:33:23,719 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 36) no Hoare annotation was computed. [2020-10-28 17:33:23,719 INFO L277 CegarLoopResult]: At program point L34-3(lines 34 36) the Hoare annotation is: true [2020-10-28 17:33:23,720 INFO L277 CegarLoopResult]: At program point L34-4(lines 34 36) the Hoare annotation is: true [2020-10-28 17:33:23,720 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 26 53) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-28 17:33:23,720 INFO L274 CegarLoopResult]: For program point L49(lines 49 51) no Hoare annotation was computed. [2020-10-28 17:33:23,720 INFO L274 CegarLoopResult]: For program point L49-1(lines 49 51) no Hoare annotation was computed. [2020-10-28 17:33:23,720 INFO L270 CegarLoopResult]: At program point L47(line 47) the Hoare annotation is: (let ((.cse11 (select |#memory_int| |main_~#x~0.base|)) (.cse12 (+ |main_~#x~0.offset| 16))) (let ((.cse13 (+ |main_~#x~0.offset| 8)) (.cse15 (+ |main_~#x~0.offset| 4)) (.cse16 (store .cse11 .cse12 main_~temp~0)) (.cse14 (+ |main_~#x~0.offset| 12))) (let ((.cse7 (select .cse16 .cse14)) (.cse8 (select .cse16 .cse15)) (.cse10 (select .cse16 |main_~#x~0.offset|)) (.cse9 (select .cse16 .cse13))) (let ((.cse6 (+ .cse7 main_~temp~0 .cse8 .cse10 .cse9)) (.cse5 (* main_~ret~1 (- 1))) (.cse0 (select .cse11 .cse15)) (.cse1 (select .cse11 .cse14)) (.cse3 (select .cse11 |main_~#x~0.offset|)) (.cse4 (select .cse11 .cse13)) (.cse2 (select .cse11 .cse12))) (and (<= (+ .cse0 .cse1 .cse2 .cse3 .cse4) (+ (* 4294967296 (div (+ .cse0 .cse1 .cse4 .cse3 .cse2 .cse5 (- 4294967296)) 4294967296)) 6442450943)) (<= .cse6 (+ (* 4294967296 (div (+ .cse7 main_~temp~0 .cse8 .cse9 .cse5 .cse10 (- 4294967296)) 4294967296)) 6442450943)) (<= main_~ret~1 main_~ret2~0) (<= (+ (* 4294967296 (div (+ .cse7 main_~temp~0 .cse8 .cse9 .cse5 .cse10 (- 1)) 4294967296)) 2147483648) .cse6) (< main_~ret2~0 (+ main_~ret~1 1)) (<= (+ (* 4294967296 (div (+ .cse0 .cse1 .cse4 .cse3 .cse2 .cse5 (- 1)) 4294967296)) 2147483648) (+ .cse0 .cse1 .cse3 .cse4 .cse2))))))) [2020-10-28 17:33:23,720 INFO L274 CegarLoopResult]: For program point L47-1(line 47) no Hoare annotation was computed. [2020-10-28 17:33:23,720 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (let ((.cse7 (select |#memory_int| |main_~#x~0.base|))) (let ((.cse0 (select .cse7 (+ |main_~#x~0.offset| 4))) (.cse1 (select .cse7 (+ |main_~#x~0.offset| 12))) (.cse4 (select .cse7 |main_~#x~0.offset|)) (.cse2 (select .cse7 (+ |main_~#x~0.offset| 8))) (.cse3 (select .cse7 (+ |main_~#x~0.offset| 16)))) (let ((.cse5 (* main_~ret~1 (- 1))) (.cse6 (+ .cse0 .cse1 .cse4 .cse2 .cse3))) (or (and (<= (+ .cse0 .cse1 .cse2 .cse3 .cse4) (+ (* 4294967296 (div (+ .cse0 .cse1 .cse4 .cse2 .cse3 .cse5) 4294967296)) 2147483647)) (<= (* 4294967296 (div (+ .cse0 .cse1 .cse4 .cse2 .cse3 .cse5 4294967295) 4294967296)) .cse6)) (and (<= (+ (* 4294967296 (div (+ (* .cse0 (- 1)) (* .cse1 (- 1)) (* .cse4 (- 1)) (* .cse2 (- 1)) (* .cse3 (- 1)) main_~ret~1 8589934591) 4294967296)) .cse0 .cse1 .cse2 .cse4 .cse3) 4294967295) (<= (+ (* 4294967296 (div (+ .cse0 .cse1 .cse4 .cse2 .cse3 .cse5 (- 1)) 4294967296)) 2147483648) .cse6)))))) [2020-10-28 17:33:23,720 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2020-10-28 17:33:23,721 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-28 17:33:23,721 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 45) the Hoare annotation is: (let ((.cse22 (select |#memory_int| |main_~#x~0.base|)) (.cse0 (* main_~i~2 4))) (let ((.cse5 (select .cse22 (+ .cse0 |main_~#x~0.offset| 4)))) (let ((.cse8 (store .cse22 (+ .cse0 |main_~#x~0.offset|) .cse5)) (.cse23 (+ |main_~#x~0.offset| 16)) (.cse20 (+ |main_~#x~0.offset| 8)) (.cse9 (+ |main_~#x~0.offset| 4))) (let ((.cse10 (select .cse22 .cse9)) (.cse12 (select .cse22 |main_~#x~0.offset|)) (.cse13 (select .cse22 .cse20)) (.cse11 (select .cse22 .cse23)) (.cse21 (+ |main_~#x~0.offset| 12)) (.cse1 (<= main_~ret~1 main_~ret2~0)) (.cse2 (< main_~ret2~0 (+ main_~ret~1 1))) (.cse7 (* main_~ret~1 (- 1))) (.cse3 (select .cse8 .cse23)) (.cse4 (select .cse8 |main_~#x~0.offset|)) (.cse25 (select .cse8 (+ .cse0 |main_~#x~0.offset| 8)))) (or (let ((.cse6 (select .cse8 .cse9))) (and (= .cse0 8) .cse1 .cse2 (<= (+ (* 4294967296 (div (+ .cse3 .cse4 .cse5 main_~temp~0 .cse6 .cse7 (- 1)) 4294967296)) 2147483648) (+ .cse3 .cse4 .cse5 main_~temp~0 .cse6)) (<= (+ .cse3 .cse4 main_~temp~0 .cse5 .cse6) (+ (* 4294967296 (div (+ .cse3 .cse4 .cse5 main_~temp~0 .cse6 .cse7 (- 4294967296)) 4294967296)) 6442450943)))) (and (<= (+ .cse10 main_~temp~0 .cse11 .cse12 .cse13) (+ (* 4294967296 (div (+ .cse10 main_~temp~0 .cse13 .cse11 .cse12 .cse7 (- 4294967296)) 4294967296)) 6442450943)) (<= 3 main_~i~2) .cse1 (<= main_~i~2 3) .cse2 (<= (+ (* 4294967296 (div (+ .cse10 main_~temp~0 .cse13 .cse11 .cse12 .cse7 (- 1)) 4294967296)) 2147483648) (+ .cse10 main_~temp~0 .cse12 .cse13 .cse11))) (let ((.cse19 (store .cse22 .cse23 main_~temp~0))) (let ((.cse15 (select .cse19 .cse21)) (.cse16 (select .cse19 .cse9)) (.cse18 (select .cse19 |main_~#x~0.offset|)) (.cse17 (select .cse19 .cse20))) (let ((.cse14 (+ .cse15 main_~temp~0 .cse16 .cse18 .cse17))) (and (<= .cse14 (+ (* 4294967296 (div (+ .cse15 main_~temp~0 .cse16 .cse17 .cse7 .cse18 (- 4294967296)) 4294967296)) 6442450943)) .cse1 (<= 4 main_~i~2) (<= (+ (* 4294967296 (div (+ .cse15 main_~temp~0 .cse16 .cse17 .cse7 .cse18 (- 1)) 4294967296)) 2147483648) .cse14) .cse2)))) (let ((.cse26 (select .cse22 .cse21)) (.cse24 (select .cse8 (+ .cse0 |main_~#x~0.offset| 12)))) (and (<= (+ (* 4294967296 (div (+ .cse3 .cse5 main_~temp~0 .cse24 .cse25 .cse7 (- 1)) 4294967296)) 2147483648) (+ .cse3 .cse5 main_~temp~0 .cse24 .cse25)) (<= (+ .cse10 .cse26 .cse11 .cse12 .cse13) (+ (* 4294967296 (div (+ .cse10 .cse26 .cse13 .cse12 .cse11 .cse7 (- 4294967296)) 4294967296)) 6442450943)) .cse1 .cse2 (<= (+ (* 4294967296 (div (+ .cse10 .cse26 .cse13 .cse12 .cse11 .cse7 (- 1)) 4294967296)) 2147483648) (+ .cse10 .cse26 .cse12 .cse13 .cse11)) (= .cse0 0) (<= (+ .cse3 main_~temp~0 .cse5 .cse24 .cse25) (+ (* 4294967296 (div (+ .cse3 .cse5 main_~temp~0 .cse24 .cse25 .cse7 (- 4294967296)) 4294967296)) 6442450943)))) (let ((.cse27 (+ .cse3 .cse4 .cse5 main_~temp~0 .cse25))) (and .cse1 (<= (+ (* 4294967296 (div (+ .cse3 .cse4 .cse5 main_~temp~0 .cse25 .cse7 (- 1)) 4294967296)) 2147483648) .cse27) (= .cse0 4) .cse2 (<= .cse27 (+ (* 4294967296 (div (+ .cse3 .cse4 .cse5 main_~temp~0 .cse25 .cse7 (- 4294967296)) 4294967296)) 6442450943))))))))) [2020-10-28 17:33:23,721 INFO L274 CegarLoopResult]: For program point L43-4(lines 43 45) no Hoare annotation was computed. [2020-10-28 17:33:23,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:33:23 BoogieIcfgContainer [2020-10-28 17:33:23,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:33:23,855 INFO L168 Benchmark]: Toolchain (without parser) took 134996.11 ms. Allocated memory was 162.5 MB in the beginning and 846.2 MB in the end (delta: 683.7 MB). Free memory was 137.5 MB in the beginning and 497.5 MB in the end (delta: -360.1 MB). Peak memory consumption was 324.3 MB. Max. memory is 8.0 GB. [2020-10-28 17:33:23,856 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 136.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:33:23,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.57 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 127.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:33:23,857 INFO L168 Benchmark]: Boogie Preprocessor took 43.59 ms. Allocated memory is still 162.5 MB. Free memory was 127.0 MB in the beginning and 125.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:33:23,857 INFO L168 Benchmark]: RCFGBuilder took 475.74 ms. Allocated memory is still 162.5 MB. Free memory was 125.3 MB in the beginning and 109.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:33:23,858 INFO L168 Benchmark]: TraceAbstraction took 134188.53 ms. Allocated memory was 162.5 MB in the beginning and 846.2 MB in the end (delta: 683.7 MB). Free memory was 108.7 MB in the beginning and 497.5 MB in the end (delta: -388.8 MB). Peak memory consumption was 296.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:33:23,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 136.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 276.57 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 127.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.59 ms. Allocated memory is still 162.5 MB. Free memory was 127.0 MB in the beginning and 125.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 475.74 ms. Allocated memory is still 162.5 MB. Free memory was 125.3 MB in the beginning and 109.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 134188.53 ms. Allocated memory was 162.5 MB in the beginning and 846.2 MB in the end (delta: 683.7 MB). Free memory was 108.7 MB in the beginning and 497.5 MB in the end (delta: -388.8 MB). Peak memory consumption was 296.0 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant [2020-10-28 17:33:23,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((i * 4 == 8 && ret <= ret2) && ret2 < ret + 1) && 4294967296 * ((unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] + ret * -1 + -1) / 4294967296) + 2147483648 <= unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4]) && unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] <= 4294967296 * ((unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] + ret * -1 + -4294967296) / 4294967296) + 6442450943) || (((((unknown-#memory_int-unknown[x][x + 4] + temp + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] <= 4294967296 * ((unknown-#memory_int-unknown[x][x + 4] + temp + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x] + ret * -1 + -4294967296) / 4294967296) + 6442450943 && 3 <= i) && ret <= ret2) && i <= 3) && ret2 < ret + 1) && 4294967296 * ((unknown-#memory_int-unknown[x][x + 4] + temp + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x] + ret * -1 + -1) / 4294967296) + 2147483648 <= unknown-#memory_int-unknown[x][x + 4] + temp + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16])) || ((((unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] + temp + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] + unknown-#memory_int-unknown[x][x + 16 := temp][x] + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] <= 4294967296 * ((unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] + temp + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] + ret * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x] + -4294967296) / 4294967296) + 6442450943 && ret <= ret2) && 4 <= i) && 4294967296 * ((unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] + temp + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] + ret * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x] + -1) / 4294967296) + 2147483648 <= unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] + temp + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] + unknown-#memory_int-unknown[x][x + 16 := temp][x] + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8]) && ret2 < ret + 1)) || ((((((4294967296 * ((unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] + ret * -1 + -1) / 4294967296) + 2147483648 <= unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] <= 4294967296 * ((unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 16] + ret * -1 + -4294967296) / 4294967296) + 6442450943) && ret <= ret2) && ret2 < ret + 1) && 4294967296 * ((unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 16] + ret * -1 + -1) / 4294967296) + 2147483648 <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16]) && i * 4 == 0) && unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] <= 4294967296 * ((unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] + ret * -1 + -4294967296) / 4294967296) + 6442450943)) || ((((ret <= ret2 && 4294967296 * ((unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] + ret * -1 + -1) / 4294967296) + 2147483648 <= unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8]) && i * 4 == 4) && ret2 < ret + 1) && unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] <= 4294967296 * ((unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + unknown-#memory_int-unknown[x][i * 4 + x + 4] + temp + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] + ret * -1 + -4294967296) / 4294967296) + 6442450943) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2020-10-28 17:33:23,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 17:33:23,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((x == x && ret <= 0) && i * 4 == 0) && 0 <= ret) && x == x) || (((ret <= unknown-#memory_int-unknown[x][i * 4 + x + -8] + unknown-#memory_int-unknown[x][i * 4 + x + -4] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][i * 4 + x + -12] && 5 <= i) && unknown-#memory_int-unknown[x][i * 4 + x + -8] + unknown-#memory_int-unknown[x][i * 4 + x + -4] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][i * 4 + x + -12] <= ret) && 4 * i <= 20)) || (((((x == x && unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && x + 12 <= x + 4 * i) && ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x]) && i <= 3) && x <= x)) || (((((4 <= i && x == x) && i <= 4) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + i * 4 + -4] + unknown-#memory_int-unknown[x][x + i * 4 + -8] + unknown-#memory_int-unknown[x][x] <= ret) && ret <= unknown-#memory_int-unknown[x][x + i * 4 + -4] + unknown-#memory_int-unknown[x][x + i * 4 + -8] + unknown-#memory_int-unknown[x][x + i * 4 + -12] + unknown-#memory_int-unknown[x][x]) && x == x)) || (((((x == x && x + 8 <= x + 4 * i) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x]) && i <= 2) && x <= x)) || (((((1 <= i && x == x) && i <= 1) && ret <= unknown-#memory_int-unknown[x][x]) && x == x) && unknown-#memory_int-unknown[x][x] <= ret) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 119.3s, OverallIterations: 18, TraceHistogramMax: 16, AutomataDifference: 22.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 490 SDtfs, 228 SDslu, 1097 SDs, 0 SdLazy, 2035 SolverSat, 170 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 164 SyntacticMatches, 9 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 45.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 16 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 104 PreInvPairs, 135 NumberOfFragments, 2720 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 13 FomulaSimplificationsInter, 714 FormulaSimplificationTreeSizeReductionInter, 14.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 95.4s InterpolantComputationTime, 1094 NumberOfCodeBlocks, 1094 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1076 ConstructedInterpolants, 0 QuantifiedInterpolants, 800168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 2366/2951 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...