/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 12:16:35,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:16:35,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:16:35,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:16:35,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:16:35,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:16:35,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:16:35,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:16:35,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:16:35,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:16:35,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:16:35,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:16:35,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:16:35,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:16:35,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:16:35,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:16:35,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:16:35,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:16:35,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:16:35,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:16:35,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:16:35,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:16:35,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:16:35,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:16:35,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:16:35,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:16:35,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:16:35,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:16:35,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:16:35,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:16:35,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:16:35,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:16:35,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:16:35,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:16:35,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:16:35,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:16:35,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:16:35,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:16:35,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:16:35,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:16:35,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:16:35,976 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 [2020-10-29 12:16:36,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:16:36,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:16:36,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:16:36,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:16:36,008 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:16:36,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:16:36,008 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:16:36,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:16:36,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:16:36,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:16:36,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:16:36,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:16:36,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:16:36,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:16:36,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:16:36,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:16:36,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:16:36,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:16:36,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:16:36,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:16:36,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:16:36,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:16:36,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:16:36,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:16:36,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:16:36,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:16:36,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:16:36,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:16:36,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:16:36,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:16:36,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:16:36,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:16:36,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:16:36,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:16:36,435 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:16:36,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i [2020-10-29 12:16:36,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed134fa40/f894186f932d48578ac4afd0c97a0d80/FLAG6efae8f42 [2020-10-29 12:16:37,195 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:16:37,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/reducercommutativity/sum05-2.i [2020-10-29 12:16:37,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed134fa40/f894186f932d48578ac4afd0c97a0d80/FLAG6efae8f42 [2020-10-29 12:16:37,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed134fa40/f894186f932d48578ac4afd0c97a0d80 [2020-10-29 12:16:37,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:16:37,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:16:37,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:16:37,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:16:37,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:16:37,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486f4be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37, skipping insertion in model container [2020-10-29 12:16:37,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:16:37,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:16:37,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:16:37,779 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:16:37,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:16:37,829 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:16:37,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37 WrapperNode [2020-10-29 12:16:37,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:16:37,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:16:37,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:16:37,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:16:37,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (1/1) ... [2020-10-29 12:16:37,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:16:37,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:16:37,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:16:37,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:16:37,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (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 [2020-10-29 12:16:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:16:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:16:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:16:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-10-29 12:16:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:16:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:16:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:16:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 12:16:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 12:16:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:16:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:16:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:16:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-10-29 12:16:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:16:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:16:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:16:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:16:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:16:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:16:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:16:38,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:16:38,597 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-29 12:16:38,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:16:38 BoogieIcfgContainer [2020-10-29 12:16:38,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:16:38,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:16:38,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:16:38,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:16:38,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:16:37" (1/3) ... [2020-10-29 12:16:38,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29390c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:16:38, skipping insertion in model container [2020-10-29 12:16:38,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:16:37" (2/3) ... [2020-10-29 12:16:38,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29390c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:16:38, skipping insertion in model container [2020-10-29 12:16:38,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:16:38" (3/3) ... [2020-10-29 12:16:38,609 INFO L111 eAbstractionObserver]: Analyzing ICFG sum05-2.i [2020-10-29 12:16:38,622 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:16:38,627 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:16:38,643 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:16:38,673 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:16:38,673 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:16:38,674 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:16:38,674 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:16:38,674 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:16:38,674 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:16:38,674 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:16:38,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:16:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-29 12:16:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-29 12:16:38,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:16:38,704 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] [2020-10-29 12:16:38,704 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:16:38,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:16:38,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1900796497, now seen corresponding path program 1 times [2020-10-29 12:16:38,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:16:38,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558438444] [2020-10-29 12:16:38,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:16:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:38,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:38,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:39,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:40,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:40,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 12:16:40,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:16:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1545 [2020-10-29 12:16:40,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:40,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:16:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:16:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 12:16:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-29 12:16:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:16:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:40,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:40,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:40,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:16:40,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:16:40,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:40,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:16:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:16:40,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:16:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:41,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:41,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:41,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:16:41,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 12:16:41,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:41,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:16:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:16:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:16:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:41,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:41,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:41,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:16:41,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:41,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 12:16:41,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:41,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:16:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:16:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:41,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:16:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:41,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:41,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:41,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:41,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:16:41,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:16:41,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:41,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:16:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:16:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 12:16:41,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558438444] [2020-10-29 12:16:41,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:16:41,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 12:16:41,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514924309] [2020-10-29 12:16:41,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:16:41,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:16:41,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:16:41,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:16:41,390 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 11 states. [2020-10-29 12:16:42,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:16:42,107 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2020-10-29 12:16:42,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:16:42,110 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-29 12:16:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:16:42,121 INFO L225 Difference]: With dead ends: 87 [2020-10-29 12:16:42,121 INFO L226 Difference]: Without dead ends: 50 [2020-10-29 12:16:42,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:16:42,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-29 12:16:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 39. [2020-10-29 12:16:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-29 12:16:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2020-10-29 12:16:42,182 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 34 [2020-10-29 12:16:42,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:16:42,183 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-10-29 12:16:42,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:16:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2020-10-29 12:16:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-29 12:16:42,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:16:42,186 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] [2020-10-29 12:16:42,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:16:42,187 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:16:42,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:16:42,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1502494865, now seen corresponding path program 1 times [2020-10-29 12:16:42,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:16:42,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889565104] [2020-10-29 12:16:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:16:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:42,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:42,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:42,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:43,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:16:43,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:16:43,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-29 12:16:43,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:43,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:16:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:16:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:16:43,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:16:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:43,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:43,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:16:43,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:16:43,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:43,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:16:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:16:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:43,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:16:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:43,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:43,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:16:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:16:43,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:43,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:16:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:16:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:43,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 12:16:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:43,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:16:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:16:43,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:43,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:16:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:16:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 12:16:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:43,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:43,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:16:43,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:16:43,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:43,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:16:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:16:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 12:16:43,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889565104] [2020-10-29 12:16:43,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:16:43,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 12:16:43,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240709323] [2020-10-29 12:16:43,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:16:43,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:16:43,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:16:43,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:16:43,624 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand 5 states. [2020-10-29 12:16:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:16:43,838 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2020-10-29 12:16:43,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 12:16:43,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-29 12:16:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:16:43,840 INFO L225 Difference]: With dead ends: 62 [2020-10-29 12:16:43,840 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:16:43,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:16:43,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:16:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2020-10-29 12:16:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-29 12:16:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-10-29 12:16:43,849 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 36 [2020-10-29 12:16:43,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:16:43,849 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-10-29 12:16:43,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:16:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-10-29 12:16:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-29 12:16:43,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:16:43,852 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:16:43,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:16:43,852 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:16:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:16:43,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1194393741, now seen corresponding path program 2 times [2020-10-29 12:16:43,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:16:43,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391264691] [2020-10-29 12:16:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:16:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:43,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:43,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:44,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:48,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:48,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:16:48,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:16:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-29 12:16:48,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:48,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:16:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:16:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:16:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:16:48,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:16:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:48,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:48,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:48,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:16:48,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:48,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:16:48,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:48,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:16:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:16:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:16:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:48,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:48,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:48,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 12:16:48,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 12:16:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:49,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:16:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:16:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 12:16:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:49,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 12:16:49,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:49,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:16:49,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:49,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:16:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:16:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:49,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 12:16:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 12:16:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 12:16:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:49,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:16:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:16:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-29 12:16:49,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391264691] [2020-10-29 12:16:49,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:16:49,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 12:16:49,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355798110] [2020-10-29 12:16:49,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:16:49,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:16:49,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:16:49,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:16:49,138 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2020-10-29 12:16:49,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:16:49,432 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2020-10-29 12:16:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:16:49,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2020-10-29 12:16:49,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:16:49,434 INFO L225 Difference]: With dead ends: 56 [2020-10-29 12:16:49,434 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 12:16:49,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:16:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 12:16:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-10-29 12:16:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-29 12:16:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-29 12:16:49,443 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 46 [2020-10-29 12:16:49,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:16:49,443 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-29 12:16:49,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:16:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-29 12:16:49,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 12:16:49,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:16:49,445 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:16:49,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:16:49,446 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:16:49,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:16:49,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1945310827, now seen corresponding path program 3 times [2020-10-29 12:16:49,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:16:49,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791514900] [2020-10-29 12:16:49,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:16:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:49,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:50,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:54,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-29 12:16:54,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:16:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:16:54,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:54,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:16:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:16:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:16:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:16:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:16:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:54,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:54,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:16:54,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:54,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:16:54,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:54,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:16:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:16:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:16:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:16:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:54,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:54,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 12:16:54,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:16:54,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:16:54,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:54,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:54,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:16:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:16:54,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 12:16:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:54,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:54,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 12:16:54,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:54,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:16:54,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:54,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:16:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:16:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:16:54,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:16:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:54,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:54,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:16:54,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 12:16:54,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:16:54,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:16:54,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:16:54,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:16:54,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:16:54,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:16:54,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:16:54,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:16:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 27 proven. 54 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-29 12:16:54,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791514900] [2020-10-29 12:16:54,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:16:54,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 12:16:54,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997486125] [2020-10-29 12:16:54,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 12:16:54,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:16:54,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 12:16:54,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:16:54,740 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 7 states. [2020-10-29 12:16:55,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:16:55,119 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2020-10-29 12:16:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 12:16:55,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-29 12:16:55,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:16:55,121 INFO L225 Difference]: With dead ends: 60 [2020-10-29 12:16:55,121 INFO L226 Difference]: Without dead ends: 36 [2020-10-29 12:16:55,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:16:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-29 12:16:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2020-10-29 12:16:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-29 12:16:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-10-29 12:16:55,136 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 52 [2020-10-29 12:16:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:16:55,141 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-10-29 12:16:55,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 12:16:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-10-29 12:16:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 12:16:55,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:16:55,147 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:16:55,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:16:55,147 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:16:55,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:16:55,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2080502327, now seen corresponding path program 4 times [2020-10-29 12:16:55,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:16:55,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994445789] [2020-10-29 12:16:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:16:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:16:55,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:55,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:55,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:16:56,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:00,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:17:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:17:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:17:00,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:17:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:17:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:17:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:17:00,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:17:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:00,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:00,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:17:00,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:00,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:17:00,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:00,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:00,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:17:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:00,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:00,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:17:00,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:00,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 12:17:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:00,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:17:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:17:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:17:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:17:00,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:17:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:00,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:00,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:17:00,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:17:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 12:17:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:00,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:17:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:17:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:17:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 12:17:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:00,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:00,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:00,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:17:00,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:17:00,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 12:17:00,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:00,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:00,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:17:00,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:17:00,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:17:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 48 proven. 96 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-29 12:17:00,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994445789] [2020-10-29 12:17:00,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:17:00,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:17:00,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990243484] [2020-10-29 12:17:00,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:17:00,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:17:00,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:17:00,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:17:00,572 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 8 states. [2020-10-29 12:17:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:17:00,974 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2020-10-29 12:17:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:17:00,974 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-29 12:17:00,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:17:00,976 INFO L225 Difference]: With dead ends: 63 [2020-10-29 12:17:00,976 INFO L226 Difference]: Without dead ends: 37 [2020-10-29 12:17:00,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:17:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-29 12:17:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-29 12:17:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:17:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-29 12:17:00,990 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 58 [2020-10-29 12:17:00,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:17:00,990 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-29 12:17:00,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:17:00,990 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-29 12:17:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 12:17:00,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:17:00,994 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:17:00,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:17:00,995 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:17:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:17:00,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1013073575, now seen corresponding path program 5 times [2020-10-29 12:17:00,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:17:00,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272836161] [2020-10-29 12:17:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:17:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:17:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:17:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-29 12:17:01,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:01,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:17:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-29 12:17:01,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:17:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:01,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:17:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:01,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:17:01,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:17:01,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:01,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:17:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:01,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:01,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:01,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:01,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:17:01,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:01,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:01,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:17:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:01,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:01,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:01,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:01,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:17:01,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:01,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:01,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 12:17:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:01,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:01,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:01,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:17:01,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:01,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:17:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-29 12:17:01,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272836161] [2020-10-29 12:17:01,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:17:01,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 12:17:01,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301159660] [2020-10-29 12:17:01,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 12:17:01,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:17:01,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 12:17:01,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 12:17:01,471 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 4 states. [2020-10-29 12:17:01,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:17:01,601 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2020-10-29 12:17:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 12:17:01,602 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-10-29 12:17:01,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:17:01,604 INFO L225 Difference]: With dead ends: 62 [2020-10-29 12:17:01,604 INFO L226 Difference]: Without dead ends: 39 [2020-10-29 12:17:01,605 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 [2020-10-29 12:17:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-29 12:17:01,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2020-10-29 12:17:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-29 12:17:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-10-29 12:17:01,611 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 64 [2020-10-29 12:17:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:17:01,612 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-10-29 12:17:01,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 12:17:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-10-29 12:17:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-29 12:17:01,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:17:01,613 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:17:01,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:17:01,613 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:17:01,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:17:01,614 INFO L82 PathProgramCache]: Analyzing trace with hash -570927963, now seen corresponding path program 1 times [2020-10-29 12:17:01,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:17:01,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103734931] [2020-10-29 12:17:01,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:17:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:01,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:02,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:02,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:17:02,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:17:02,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-29 12:17:02,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:02,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:17:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-29 12:17:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:17:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:02,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:17:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:02,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:02,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:02,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:17:02,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:02,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:17:02,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:02,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:02,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:17:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:02,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:02,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:02,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:17:02,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:02,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:17:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:02,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:02,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:02,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:02,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:17:02,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:02,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:02,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:02,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:02,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:02,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 12:17:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:02,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:02,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:02,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:02,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:02,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:17:02,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:02,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:17:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-29 12:17:02,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103734931] [2020-10-29 12:17:02,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:17:02,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 12:17:02,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674382187] [2020-10-29 12:17:02,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:17:02,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:17:02,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:17:02,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:17:02,336 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 5 states. [2020-10-29 12:17:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:17:02,483 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-10-29 12:17:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 12:17:02,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-29 12:17:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:17:02,485 INFO L225 Difference]: With dead ends: 64 [2020-10-29 12:17:02,486 INFO L226 Difference]: Without dead ends: 41 [2020-10-29 12:17:02,486 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 [2020-10-29 12:17:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-29 12:17:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2020-10-29 12:17:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-29 12:17:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-10-29 12:17:02,493 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 66 [2020-10-29 12:17:02,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:17:02,493 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-10-29 12:17:02,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:17:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-10-29 12:17:02,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-29 12:17:02,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:17:02,495 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:17:02,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:17:02,495 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:17:02,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:17:02,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1916984099, now seen corresponding path program 2 times [2020-10-29 12:17:02,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:17:02,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590831960] [2020-10-29 12:17:02,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:17:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:02,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:02,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:03,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:03,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 12:17:03,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:17:03,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-29 12:17:03,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:03,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:17:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-29 12:17:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:17:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:03,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:17:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:03,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:03,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:03,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:17:03,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:03,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:17:03,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:03,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:03,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:17:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:03,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:03,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:17:03,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:03,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:03,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:17:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:03,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:03,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:03,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:03,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:03,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:17:03,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:03,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:03,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:03,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:03,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:03,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 12:17:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:03,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:03,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:03,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:03,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:03,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:17:03,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:03,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:17:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:03,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-29 12:17:03,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590831960] [2020-10-29 12:17:03,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:17:03,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 12:17:03,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533999044] [2020-10-29 12:17:03,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:17:03,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:17:03,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:17:03,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:17:03,529 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2020-10-29 12:17:03,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:17:03,676 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2020-10-29 12:17:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:17:03,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-10-29 12:17:03,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:17:03,678 INFO L225 Difference]: With dead ends: 66 [2020-10-29 12:17:03,678 INFO L226 Difference]: Without dead ends: 43 [2020-10-29 12:17:03,679 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 [2020-10-29 12:17:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-29 12:17:03,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-10-29 12:17:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-29 12:17:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-29 12:17:03,691 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 68 [2020-10-29 12:17:03,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:17:03,691 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-29 12:17:03,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:17:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-29 12:17:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 12:17:03,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:17:03,696 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:17:03,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:17:03,697 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:17:03,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:17:03,698 INFO L82 PathProgramCache]: Analyzing trace with hash 503691809, now seen corresponding path program 3 times [2020-10-29 12:17:03,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:17:03,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708671514] [2020-10-29 12:17:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:17:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:03,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 12:17:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:17:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-10-29 12:17:04,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:04,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:17:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-29 12:17:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:17:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:04,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:17:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:04,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:04,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:04,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:17:04,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:17:04,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:04,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:04,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:17:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:04,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:04,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:04,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:04,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:04,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:17:04,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:04,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:04,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:04,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:17:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:04,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:04,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:04,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:04,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:04,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:17:04,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:04,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:04,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:04,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 12:17:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:04,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:04,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:04,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:04,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:17:04,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:04,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:04,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:04,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:17:04,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:04,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-29 12:17:04,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708671514] [2020-10-29 12:17:04,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:17:04,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 12:17:04,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540974402] [2020-10-29 12:17:04,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 12:17:04,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:17:04,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 12:17:04,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:17:04,939 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2020-10-29 12:17:05,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:17:05,115 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-10-29 12:17:05,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 12:17:05,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-10-29 12:17:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:17:05,117 INFO L225 Difference]: With dead ends: 67 [2020-10-29 12:17:05,119 INFO L226 Difference]: Without dead ends: 44 [2020-10-29 12:17:05,120 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 [2020-10-29 12:17:05,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-29 12:17:05,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-29 12:17:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:17:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-10-29 12:17:05,132 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 70 [2020-10-29 12:17:05,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:17:05,132 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-10-29 12:17:05,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 12:17:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-10-29 12:17:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 12:17:05,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:17:05,133 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:17:05,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:17:05,134 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:17:05,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:17:05,137 INFO L82 PathProgramCache]: Analyzing trace with hash -460533345, now seen corresponding path program 4 times [2020-10-29 12:17:05,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:17:05,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056826790] [2020-10-29 12:17:05,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:17:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:10,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:10,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 12:17:10,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:17:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5701 [2020-10-29 12:17:10,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:10,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-29 12:17:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:17:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 12:17:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:11,659 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-10-29 12:17:11,865 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-10-29 12:17:12,193 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2020-10-29 12:17:12,425 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-29 12:17:12,695 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 43 [2020-10-29 12:17:12,971 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2020-10-29 12:17:13,376 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-29 12:17:13,752 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2020-10-29 12:17:14,187 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-29 12:17:14,646 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 42 [2020-10-29 12:17:14,942 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2020-10-29 12:17:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:17:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:15,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:15,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:15,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:17:15,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:17:15,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:17:15,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:15,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:17:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:17:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:15,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:17:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:15,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:15,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:15,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:16,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:16,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:16,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:16,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:17:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1193 [2020-10-29 12:17:16,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:16,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:17:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:17:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:18,121 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-10-29 12:17:18,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:17:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:18,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:18,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:19,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:19,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:19,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:17:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1151 [2020-10-29 12:17:19,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:19,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:17:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:17:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:17:20,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 12:17:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:17:20,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:20,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:20,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:20,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:20,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:17:21,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:17:21,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:17:21,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:17:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-29 12:17:21,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:17:21,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:17:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:17:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:17:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:17:21,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:17:22,816 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-10-29 12:17:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 13 proven. 246 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-29 12:17:23,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056826790] [2020-10-29 12:17:23,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:17:23,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-29 12:17:23,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847081482] [2020-10-29 12:17:23,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-29 12:17:23,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:17:23,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-29 12:17:23,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1217, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 12:17:23,144 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 37 states. [2020-10-29 12:17:25,233 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-29 12:17:26,100 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:17:26,852 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-10-29 12:17:27,362 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-10-29 12:17:27,702 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-10-29 12:17:28,060 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-29 12:17:31,036 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-10-29 12:17:48,031 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-10-29 12:18:00,803 WARN L193 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-10-29 12:18:00,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:18:00,805 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-29 12:18:00,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-29 12:18:00,806 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2020-10-29 12:18:00,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:18:00,807 INFO L225 Difference]: With dead ends: 45 [2020-10-29 12:18:00,807 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 12:18:00,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 8 SyntacticMatches, 11 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 34.9s TimeCoverageRelationStatistics Valid=312, Invalid=3105, Unknown=5, NotChecked=0, Total=3422 [2020-10-29 12:18:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 12:18:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 12:18:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 12:18:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 12:18:00,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-10-29 12:18:00,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:18:00,811 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 12:18:00,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-29 12:18:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 12:18:00,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 12:18:00,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:18:00,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 12:18:01,185 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-29 12:18:01,826 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-29 12:18:06,860 WARN L193 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-10-29 12:18:06,927 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-29 12:18:06,927 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-29 12:18:06,927 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-29 12:18:06,927 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-29 12:18:06,927 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-29 12:18:06,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 12:18:06,928 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)|)) [2020-10-29 12:18:06,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 12:18:06,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 12:18:06,929 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 12:18:06,929 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 12:18:06,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 12:18:06,929 INFO L274 CegarLoopResult]: For program point sumEXIT(lines 15 24) no Hoare annotation was computed. [2020-10-29 12:18:06,929 INFO L277 CegarLoopResult]: At program point sumENTRY(lines 15 24) the Hoare annotation is: true [2020-10-29 12:18:06,929 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2020-10-29 12:18:06,930 INFO L270 CegarLoopResult]: At program point L20-3(lines 20 22) the Hoare annotation is: (let ((.cse4 (select |#memory_int| sum_~x.base))) (let ((.cse1 (= |sum_#in~x.base| sum_~x.base)) (.cse2 (= sum_~x.offset |sum_#in~x.offset|)) (.cse3 (select .cse4 (+ sum_~x.offset 8))) (.cse5 (select .cse4 (+ sum_~x.offset 4))) (.cse6 (select .cse4 |sum_#in~x.offset|))) (or (let ((.cse0 (+ .cse3 (select .cse4 (+ sum_~x.offset 12)) .cse5 .cse6))) (and (<= 4 sum_~i~0) (<= sum_~ret~0 .cse0) .cse1 (<= .cse0 sum_~ret~0) (<= sum_~i~0 4) .cse2)) (and .cse1 (<= sum_~ret~0 0) (= (* sum_~i~0 4) 0) (<= 0 sum_~ret~0) .cse2) (and (<= 1 sum_~i~0) .cse1 (<= sum_~i~0 1) (<= sum_~ret~0 .cse6) .cse2 (<= .cse6 sum_~ret~0)) (let ((.cse9 (+ |sum_#in~x.offset| 16))) (let ((.cse8 (let ((.cse10 (select |#memory_int| |sum_#in~x.base|))) (+ (select .cse10 (+ |sum_#in~x.offset| 4)) (select .cse10 |sum_#in~x.offset|) (select .cse10 (+ |sum_#in~x.offset| 8)) (select .cse10 .cse9) (select .cse10 (+ |sum_#in~x.offset| 12))))) (.cse7 (* 4 sum_~i~0))) (and .cse1 (< 16 .cse7) (<= .cse8 sum_~ret~0) (<= sum_~ret~0 .cse8) (<= .cse9 (+ sum_~x.offset .cse7)) (<= sum_~x.offset |sum_#in~x.offset|)))) (let ((.cse11 (+ .cse5 .cse6))) (and (<= sum_~ret~0 .cse11) .cse1 (<= 2 sum_~i~0) (<= sum_~i~0 2) (<= .cse11 sum_~ret~0) .cse2)) (let ((.cse12 (+ .cse3 .cse5 .cse6))) (and (<= 3 sum_~i~0) (<= sum_~ret~0 .cse12) .cse1 (<= .cse12 sum_~ret~0) (<= sum_~i~0 3) .cse2))))) [2020-10-29 12:18:06,930 INFO L274 CegarLoopResult]: For program point L20-4(lines 20 22) no Hoare annotation was computed. [2020-10-29 12:18:06,930 INFO L274 CegarLoopResult]: For program point sumFINAL(lines 15 24) no Hoare annotation was computed. [2020-10-29 12:18:06,930 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 26 53) no Hoare annotation was computed. [2020-10-29 12:18:06,930 INFO L270 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: false [2020-10-29 12:18:06,930 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 26 53) no Hoare annotation was computed. [2020-10-29 12:18:06,930 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 12:18:06,931 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 36) no Hoare annotation was computed. [2020-10-29 12:18:06,931 INFO L277 CegarLoopResult]: At program point L34-3(lines 34 36) the Hoare annotation is: true [2020-10-29 12:18:06,931 INFO L277 CegarLoopResult]: At program point L34-4(lines 34 36) the Hoare annotation is: true [2020-10-29 12:18:06,931 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 26 53) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-29 12:18:06,931 INFO L274 CegarLoopResult]: For program point L49(lines 49 51) no Hoare annotation was computed. [2020-10-29 12:18:06,931 INFO L274 CegarLoopResult]: For program point L49-1(lines 49 51) no Hoare annotation was computed. [2020-10-29 12:18:06,932 INFO L270 CegarLoopResult]: At program point L47(line 47) the Hoare annotation is: (let ((.cse21 (+ |main_~#x~0.offset| 4)) (.cse22 (+ |main_~#x~0.offset| 16)) (.cse9 (select |#memory_int| |main_~#x~0.base|))) (let ((.cse28 (* main_~i~2 4)) (.cse8 (select .cse9 |main_~#x~0.offset|)) (.cse7 (select .cse9 .cse22)) (.cse1 (select .cse9 .cse21))) (let ((.cse2 (* .cse1 (- 1))) (.cse4 (* .cse7 (- 1))) (.cse6 (* .cse8 (- 1))) (.cse10 (+ |main_~#x~0.offset| 8)) (.cse11 (+ |main_~#x~0.offset| 12)) (.cse12 (<= 3 main_~i~2)) (.cse0 (+ main_~ret~1 4294967296)) (.cse14 (* main_~temp~0 (- 1))) (.cse15 (+ .cse28 |main_~#x~0.offset|))) (and (= .cse0 (let ((.cse3 (select .cse9 .cse11)) (.cse5 (select .cse9 .cse10))) (+ .cse1 (* 4294967296 (div (+ .cse2 (* .cse3 (- 1)) .cse4 (* .cse5 (- 1)) .cse6 6442450943) 4294967296)) .cse3 .cse7 .cse5 .cse8))) (= main_~ret~1 main_~ret2~0) (or .cse12 (= .cse0 (let ((.cse13 (select .cse9 .cse15))) (+ .cse1 .cse13 main_~temp~0 (* 4294967296 (div (+ .cse2 (* .cse13 (- 1)) .cse14 .cse4 .cse6 6442450943) 4294967296)) .cse7 .cse8)))) (= .cse0 (let ((.cse20 (store .cse9 .cse22 main_~temp~0))) (let ((.cse16 (select .cse20 .cse11)) (.cse17 (select .cse20 .cse21)) (.cse18 (select .cse20 .cse10)) (.cse19 (select .cse20 |main_~#x~0.offset|))) (+ .cse16 main_~temp~0 .cse17 (* 4294967296 (div (+ (* .cse16 (- 1)) .cse14 (* .cse17 (- 1)) (* .cse18 (- 1)) (* .cse19 (- 1)) 6442450943) 4294967296)) .cse18 .cse19)))) (or .cse12 (and (= (* 4 main_~i~2) 8) (= .cse0 (let ((.cse25 (select .cse9 (+ .cse28 |main_~#x~0.offset| 4)))) (let ((.cse27 (store .cse9 .cse15 .cse25))) (let ((.cse23 (select .cse27 .cse22)) (.cse24 (select .cse27 |main_~#x~0.offset|)) (.cse26 (select .cse27 .cse21))) (+ .cse23 .cse24 main_~temp~0 .cse25 (* 4294967296 (div (+ (* .cse23 (- 1)) (* .cse24 (- 1)) .cse14 (* .cse25 (- 1)) (* .cse26 (- 1)) 6442450943) 4294967296)) .cse26))))))))))) [2020-10-29 12:18:06,932 INFO L274 CegarLoopResult]: For program point L47-1(line 47) no Hoare annotation was computed. [2020-10-29 12:18:06,932 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (let ((.cse11 (select |#memory_int| |main_~#x~0.base|))) (let ((.cse5 (select .cse11 (+ |main_~#x~0.offset| 8))) (.cse4 (select .cse11 |main_~#x~0.offset|)) (.cse3 (select .cse11 (+ |main_~#x~0.offset| 16))) (.cse2 (select .cse11 (+ |main_~#x~0.offset| 12))) (.cse1 (select .cse11 (+ |main_~#x~0.offset| 4)))) (let ((.cse6 (* .cse1 (- 1))) (.cse7 (* .cse2 (- 1))) (.cse8 (* .cse3 (- 1))) (.cse9 (* .cse4 (- 1))) (.cse10 (* .cse5 (- 1)))) (let ((.cse0 (+ .cse1 (* 4294967296 (div (+ .cse6 .cse7 .cse8 .cse9 .cse10 4294967295) 4294967296)) .cse2 .cse3 .cse4 .cse5))) (and (or (= (+ main_~ret~1 4294967296) .cse0) (<= (* 4294967296 (div (+ .cse1 .cse2 .cse3 .cse4 .cse5 2147483648) 4294967296)) (+ .cse1 .cse2 .cse3 .cse4 .cse5))) (or (<= (+ .cse1 .cse2 (* 4294967296 (div (+ .cse6 .cse7 .cse8 .cse9 .cse10 6442450943) 4294967296)) .cse3 .cse4 .cse5) 4294967295) (= .cse0 main_~ret~1))))))) [2020-10-29 12:18:06,932 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2020-10-29 12:18:06,932 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-29 12:18:06,933 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 45) the Hoare annotation is: (let ((.cse11 (select |#memory_int| |main_~#x~0.base|)) (.cse21 (* main_~i~2 4))) (let ((.cse15 (select .cse11 (+ .cse21 |main_~#x~0.offset| 4)))) (let ((.cse9 (+ |main_~#x~0.offset| 4)) (.cse12 (+ |main_~#x~0.offset| 16)) (.cse25 (store .cse11 (+ .cse21 |main_~#x~0.offset|) .cse15))) (let ((.cse16 (select .cse25 (+ .cse21 |main_~#x~0.offset| 8))) (.cse13 (select .cse25 .cse12)) (.cse23 (select .cse25 .cse9)) (.cse14 (select .cse25 |main_~#x~0.offset|))) (let ((.cse18 (* .cse14 (- 1))) (.cse24 (* .cse23 (- 1))) (.cse8 (+ |main_~#x~0.offset| 8)) (.cse10 (+ |main_~#x~0.offset| 12)) (.cse0 (= main_~ret~1 main_~ret2~0)) (.cse1 (+ main_~ret~1 4294967296)) (.cse17 (* .cse13 (- 1))) (.cse4 (* main_~temp~0 (- 1))) (.cse19 (* .cse15 (- 1))) (.cse20 (* .cse16 (- 1)))) (or (and (<= 4 main_~i~2) .cse0 (= .cse1 (let ((.cse7 (store .cse11 .cse12 main_~temp~0))) (let ((.cse2 (select .cse7 .cse10)) (.cse3 (select .cse7 .cse9)) (.cse5 (select .cse7 .cse8)) (.cse6 (select .cse7 |main_~#x~0.offset|))) (+ .cse2 main_~temp~0 .cse3 (* (div (+ (* .cse2 (- 1)) .cse4 (* .cse3 (- 1)) (* .cse5 (- 1)) (* .cse6 (- 1)) 6442450943) 4294967296) 4294967296) .cse5 .cse6))))) (and (= .cse1 (+ .cse13 .cse14 main_~temp~0 .cse15 .cse16 (* (div (+ .cse17 .cse18 .cse4 .cse19 .cse20 6442450943) 4294967296) 4294967296))) (<= main_~i~2 1) .cse0 (<= 4 (* 4 main_~i~2))) (and (= .cse21 12) (= .cse1 (let ((.cse22 (select .cse25 .cse8))) (+ .cse22 .cse14 main_~temp~0 .cse15 .cse23 (* (div (+ (* .cse22 (- 1)) .cse18 .cse4 .cse19 .cse24 6442450943) 4294967296) 4294967296)))) .cse0) (and (= .cse21 8) .cse0 (= .cse1 (+ .cse13 .cse14 main_~temp~0 .cse15 (* (div (+ .cse17 .cse18 .cse4 .cse19 .cse24 6442450943) 4294967296) 4294967296) .cse23))) (and (= .cse1 (let ((.cse26 (select .cse11 .cse9)) (.cse27 (select .cse11 .cse10)) (.cse28 (select .cse11 .cse12)) (.cse29 (select .cse11 .cse8)) (.cse30 (select .cse11 |main_~#x~0.offset|))) (+ .cse26 (* (div (+ (* .cse26 (- 1)) (* .cse27 (- 1)) (* .cse28 (- 1)) (* .cse29 (- 1)) (* .cse30 (- 1)) 6442450943) 4294967296) 4294967296) .cse27 .cse28 .cse29 .cse30))) .cse0 (= .cse21 0) (= .cse1 (let ((.cse31 (select .cse25 (+ .cse21 |main_~#x~0.offset| 12)))) (+ .cse13 (* (div (+ .cse17 .cse4 .cse19 (* .cse31 (- 1)) .cse20 6442450943) 4294967296) 4294967296) main_~temp~0 .cse15 .cse31 .cse16)))))))))) [2020-10-29 12:18:06,933 INFO L274 CegarLoopResult]: For program point L43-4(lines 43 45) no Hoare annotation was computed. [2020-10-29 12:18:06,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:06,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:18:07 BoogieIcfgContainer [2020-10-29 12:18:07,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 12:18:07,070 INFO L168 Benchmark]: Toolchain (without parser) took 89528.11 ms. Allocated memory was 159.4 MB in the beginning and 332.4 MB in the end (delta: 173.0 MB). Free memory was 134.2 MB in the beginning and 144.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 163.3 MB. Max. memory is 8.0 GB. [2020-10-29 12:18:07,074 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 159.4 MB. Free memory is still 131.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 12:18:07,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.28 ms. Allocated memory is still 159.4 MB. Free memory was 133.6 MB in the beginning and 123.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 12:18:07,076 INFO L168 Benchmark]: Boogie Preprocessor took 47.29 ms. Allocated memory is still 159.4 MB. Free memory was 123.3 MB in the beginning and 121.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-29 12:18:07,084 INFO L168 Benchmark]: RCFGBuilder took 720.44 ms. Allocated memory is still 159.4 MB. Free memory was 121.6 MB in the beginning and 140.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. [2020-10-29 12:18:07,085 INFO L168 Benchmark]: TraceAbstraction took 88466.96 ms. Allocated memory was 159.4 MB in the beginning and 332.4 MB in the end (delta: 173.0 MB). Free memory was 139.5 MB in the beginning and 144.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 169.0 MB. Max. memory is 8.0 GB. [2020-10-29 12:18:07,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 159.4 MB. Free memory is still 131.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 278.28 ms. Allocated memory is still 159.4 MB. Free memory was 133.6 MB in the beginning and 123.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.29 ms. Allocated memory is still 159.4 MB. Free memory was 123.3 MB in the beginning and 121.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 720.44 ms. Allocated memory is still 159.4 MB. Free memory was 121.6 MB in the beginning and 140.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 88466.96 ms. Allocated memory was 159.4 MB in the beginning and 332.4 MB in the end (delta: 173.0 MB). Free memory was 139.5 MB in the beginning and 144.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 169.0 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 * 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 [2020-10-29 12:18:07,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((4 <= i && ret == ret2) && ret + 4294967296 == unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] + temp + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] + (unknown-#memory_int-unknown[x][x + 16 := temp][x + 12] * -1 + temp * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x + 4] * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] * -1 + unknown-#memory_int-unknown[x][x + 16 := temp][x] * -1 + 6442450943) / 4294967296 * 4294967296 + unknown-#memory_int-unknown[x][x + 16 := temp][x + 8] + unknown-#memory_int-unknown[x][x + 16 := temp][x]) || (((ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] * -1 + 6442450943) / 4294967296 * 4294967296 && i <= 1) && ret == ret2) && 4 <= 4 * i)) || ((i * 4 == 12 && ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 8] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 8] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] * -1 + 6442450943) / 4294967296 * 4294967296) && ret == ret2)) || ((i * 4 == 8 && ret == ret2) && ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4] * -1 + 6442450943) / 4294967296 * 4294967296 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 4])) || (((ret + 4294967296 == unknown-#memory_int-unknown[x][x + 4] + (unknown-#memory_int-unknown[x][x + 4] * -1 + unknown-#memory_int-unknown[x][x + 12] * -1 + unknown-#memory_int-unknown[x][x + 16] * -1 + unknown-#memory_int-unknown[x][x + 8] * -1 + unknown-#memory_int-unknown[x][x] * -1 + 6442450943) / 4294967296 * 4294967296 + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x] && ret == ret2) && i * 4 == 0) && ret + 4294967296 == unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] + (unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][x + 16] * -1 + temp * -1 + unknown-#memory_int-unknown[x][i * 4 + x + 4] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] * -1 + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8] * -1 + 6442450943) / 4294967296 * 4294967296 + temp + unknown-#memory_int-unknown[x][i * 4 + x + 4] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 12] + unknown-#memory_int-unknown[x][i * 4 + x := unknown-#memory_int-unknown[x][i * 4 + x + 4]][i * 4 + x + 8]) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2020-10-29 12:18:07,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 12:18:07,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((4 <= i && ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x]) && x == x) && unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && i <= 4) && x == x) || ((((x == x && ret <= 0) && i * 4 == 0) && 0 <= ret) && x == x)) || (((((1 <= i && x == x) && i <= 1) && ret <= unknown-#memory_int-unknown[x][x]) && x == x) && unknown-#memory_int-unknown[x][x] <= ret)) || (((((x == x && 16 < 4 * i) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x + 12] <= ret) && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 16] + unknown-#memory_int-unknown[x][x + 12]) && x + 16 <= x + 4 * i) && x <= x)) || (((((ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] && x == x) && 2 <= i) && i <= 2) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && x == x)) || (((((3 <= i && ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x]) && x == x) && unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x] <= ret) && i <= 3) && x == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.1s, OverallIterations: 10, TraceHistogramMax: 15, AutomataDifference: 40.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 170 SDslu, 826 SDs, 0 SdLazy, 1525 SolverSat, 139 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 114 SyntacticMatches, 13 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 37.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=9, 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, 10 MinimizatonAttempts, 17 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 60 PreInvPairs, 83 NumberOfFragments, 2138 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 484 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 41.1s InterpolantComputationTime, 566 NumberOfCodeBlocks, 566 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 576582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1338/1773 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...