/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:08:36,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:08:36,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:08:36,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:08:36,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:08:36,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:08:36,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:08:36,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:08:36,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:08:36,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:08:36,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:08:36,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:08:36,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:08:36,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:08:36,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:08:36,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:08:36,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:08:36,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:08:36,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:08:36,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:08:36,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:08:36,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:08:36,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:08:36,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:08:36,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:08:36,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:08:36,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:08:36,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:08:36,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:08:36,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:08:36,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:08:36,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:08:36,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:08:36,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:08:36,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:08:36,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:08:36,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:08:36,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:08:36,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:08:36,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:08:36,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:08:36,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:08:36,989 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:08:36,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:08:36,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:08:36,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:08:36,995 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:08:36,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:08:36,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:08:36,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:08:36,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:08:36,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:08:36,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:08:36,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:08:36,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:08:36,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:08:36,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:08:36,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:08:36,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:08:36,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:08:36,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:08:36,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:08:36,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:08:36,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:08:37,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:08:37,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:08:37,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:08:37,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:08:37,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:08:37,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:08:37,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:08:37,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:08:37,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:08:37,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:08:37,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:08:37,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:08:37,425 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:08:37,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-10-28 10:08:37,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ab67023e/d140ab336dd940e2b620927dd59c7aba/FLAG8c47643dc [2020-10-28 10:08:38,271 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:08:38,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-10-28 10:08:38,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ab67023e/d140ab336dd940e2b620927dd59c7aba/FLAG8c47643dc [2020-10-28 10:08:38,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ab67023e/d140ab336dd940e2b620927dd59c7aba [2020-10-28 10:08:38,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:08:38,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:08:38,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:08:38,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:08:38,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:08:38,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:08:38" (1/1) ... [2020-10-28 10:08:38,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5227d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:38, skipping insertion in model container [2020-10-28 10:08:38,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:08:38" (1/1) ... [2020-10-28 10:08:38,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:08:38,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:08:38,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:08:38,835 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:08:38,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:08:39,011 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:08:39,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39 WrapperNode [2020-10-28 10:08:39,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:08:39,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:08:39,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:08:39,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:08:39,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... [2020-10-28 10:08:39,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:08:39,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:08:39,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:08:39,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:08:39,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:08:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:08:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:08:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:08:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:08:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:08:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:08:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:08:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:08:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:08:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:08:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:08:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:08:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:08:40,374 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:08:40,374 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:08:40,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:08:40 BoogieIcfgContainer [2020-10-28 10:08:40,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:08:40,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:08:40,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:08:40,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:08:40,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:08:38" (1/3) ... [2020-10-28 10:08:40,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52319cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:08:40, skipping insertion in model container [2020-10-28 10:08:40,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:39" (2/3) ... [2020-10-28 10:08:40,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52319cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:08:40, skipping insertion in model container [2020-10-28 10:08:40,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:08:40" (3/3) ... [2020-10-28 10:08:40,385 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-10-28 10:08:40,397 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:08:40,402 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:08:40,415 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:08:40,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:08:40,445 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:08:40,445 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:08:40,445 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:08:40,445 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:08:40,446 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:08:40,446 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:08:40,446 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:08:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:08:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 10:08:40,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:08:40,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:08:40,484 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:08:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:08:40,490 INFO L82 PathProgramCache]: Analyzing trace with hash -142401861, now seen corresponding path program 1 times [2020-10-28 10:08:40,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:08:40,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [784630849] [2020-10-28 10:08:40,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:08:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:40,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:41,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:42,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:42,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 10:08:42,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:08:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1809 [2020-10-28 10:08:42,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:42,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:08:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:08:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 10:08:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:08:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:08:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:42,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:42,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:08:42,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:42,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 10:08:42,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:42,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:42,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:42,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:08:42,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:08:42,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [784630849] [2020-10-28 10:08:42,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:08:42,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:08:42,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971136976] [2020-10-28 10:08:42,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:08:42,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:08:42,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:08:42,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:08:42,896 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:08:44,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:08:44,646 INFO L93 Difference]: Finished difference Result 562 states and 961 transitions. [2020-10-28 10:08:44,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:08:44,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-10-28 10:08:44,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:08:44,663 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:08:44,663 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:08:44,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:08:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:08:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2020-10-28 10:08:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-28 10:08:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2020-10-28 10:08:44,774 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 121 [2020-10-28 10:08:44,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:08:44,775 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2020-10-28 10:08:44,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:08:44,775 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2020-10-28 10:08:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-28 10:08:44,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:08:44,787 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:08:44,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:08:44,788 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:08:44,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:08:44,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1829217955, now seen corresponding path program 1 times [2020-10-28 10:08:44,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:08:44,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175729944] [2020-10-28 10:08:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:08:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:44,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:45,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:45,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:46,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:46,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1795 [2020-10-28 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:08:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:08:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-28 10:08:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:46,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:08:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:46,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:46,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:08:46,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:08:46,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:46,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:46,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:08:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:46,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:46,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:46,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:08:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:08:46,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:46,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:08:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:08:46,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175729944] [2020-10-28 10:08:46,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:08:46,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:08:46,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737708931] [2020-10-28 10:08:46,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:08:46,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:08:46,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:08:46,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:08:46,968 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 5 states. [2020-10-28 10:08:47,099 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:08:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:08:48,325 INFO L93 Difference]: Finished difference Result 838 states and 1189 transitions. [2020-10-28 10:08:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:08:48,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-28 10:08:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:08:48,334 INFO L225 Difference]: With dead ends: 838 [2020-10-28 10:08:48,335 INFO L226 Difference]: Without dead ends: 561 [2020-10-28 10:08:48,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:08:48,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-28 10:08:48,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 557. [2020-10-28 10:08:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-28 10:08:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 768 transitions. [2020-10-28 10:08:48,378 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 768 transitions. Word has length 129 [2020-10-28 10:08:48,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:08:48,378 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 768 transitions. [2020-10-28 10:08:48,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:08:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 768 transitions. [2020-10-28 10:08:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 10:08:48,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:08:48,382 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:08:48,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:08:48,382 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:08:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:08:48,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1075709286, now seen corresponding path program 1 times [2020-10-28 10:08:48,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:08:48,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248711271] [2020-10-28 10:08:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:08:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:48,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:49,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:49,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-28 10:08:49,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:08:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1454 [2020-10-28 10:08:49,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:49,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:08:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 10:08:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-28 10:08:49,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:08:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:08:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:50,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:50,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:50,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:08:50,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:50,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:08:50,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:50,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:50,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:08:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:50,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:50,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 10:08:50,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 10:08:50,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:50,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 10:08:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:50,170 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:08:50,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248711271] [2020-10-28 10:08:50,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:08:50,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:08:50,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854161383] [2020-10-28 10:08:50,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:08:50,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:08:50,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:08:50,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:08:50,177 INFO L87 Difference]: Start difference. First operand 557 states and 768 transitions. Second operand 5 states. [2020-10-28 10:08:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:08:51,586 INFO L93 Difference]: Finished difference Result 1660 states and 2353 transitions. [2020-10-28 10:08:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:08:51,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-28 10:08:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:08:51,605 INFO L225 Difference]: With dead ends: 1660 [2020-10-28 10:08:51,606 INFO L226 Difference]: Without dead ends: 1109 [2020-10-28 10:08:51,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:08:51,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-28 10:08:51,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1105. [2020-10-28 10:08:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-10-28 10:08:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1486 transitions. [2020-10-28 10:08:51,695 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1486 transitions. Word has length 146 [2020-10-28 10:08:51,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:08:51,697 INFO L481 AbstractCegarLoop]: Abstraction has 1105 states and 1486 transitions. [2020-10-28 10:08:51,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:08:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1486 transitions. [2020-10-28 10:08:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-28 10:08:51,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:08:51,706 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:08:51,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:08:51,707 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:08:51,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:08:51,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1300517565, now seen corresponding path program 1 times [2020-10-28 10:08:51,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:08:51,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475203619] [2020-10-28 10:08:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:08:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:52,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:56,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:56,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-28 10:08:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:08:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 10:08:56,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:56,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:08:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:08:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-28 10:08:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:56,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:08:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:56,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:56,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:56,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:08:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:08:56,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:56,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:56,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:08:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:56,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:56,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:56,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:08:56,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:56,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:08:56,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:56,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:56,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:56,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:08:56,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:08:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:57,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:57,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:57,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 10:08:57,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:08:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 10:08:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:57,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 10:08:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 10:08:57,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475203619] [2020-10-28 10:08:57,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:08:57,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:08:57,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361318664] [2020-10-28 10:08:57,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:08:57,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:08:57,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:08:57,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:08:57,114 INFO L87 Difference]: Start difference. First operand 1105 states and 1486 transitions. Second operand 5 states. [2020-10-28 10:08:58,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:08:58,648 INFO L93 Difference]: Finished difference Result 3030 states and 4194 transitions. [2020-10-28 10:08:58,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:08:58,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-28 10:08:58,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:08:58,664 INFO L225 Difference]: With dead ends: 3030 [2020-10-28 10:08:58,664 INFO L226 Difference]: Without dead ends: 1931 [2020-10-28 10:08:58,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:08:58,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2020-10-28 10:08:58,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1383. [2020-10-28 10:08:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2020-10-28 10:08:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1817 transitions. [2020-10-28 10:08:58,731 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1817 transitions. Word has length 163 [2020-10-28 10:08:58,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:08:58,732 INFO L481 AbstractCegarLoop]: Abstraction has 1383 states and 1817 transitions. [2020-10-28 10:08:58,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:08:58,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1817 transitions. [2020-10-28 10:08:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-28 10:08:58,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:08:58,738 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:08:58,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:08:58,738 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:08:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:08:58,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1133898469, now seen corresponding path program 1 times [2020-10-28 10:08:58,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:08:58,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460823836] [2020-10-28 10:08:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:08:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:59,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:00,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:01,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:01,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 10:09:01,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:09:01,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2649 [2020-10-28 10:09:01,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:01,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 10:09:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-28 10:09:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:01,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:01,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:01,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:09:01,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:01,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:09:01,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:01,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:01,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:01,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:09:01,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:01,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:09:01,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:01,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:01,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:09:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:01,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:01,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:01,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 10:09:01,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 10:09:01,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:01,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 10:09:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 10:09:01,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460823836] [2020-10-28 10:09:01,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:01,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:01,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843169591] [2020-10-28 10:09:01,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:01,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:01,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:01,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:01,850 INFO L87 Difference]: Start difference. First operand 1383 states and 1817 transitions. Second operand 5 states. [2020-10-28 10:09:02,003 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-28 10:09:03,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:03,320 INFO L93 Difference]: Finished difference Result 3584 states and 4835 transitions. [2020-10-28 10:09:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:03,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2020-10-28 10:09:03,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:03,334 INFO L225 Difference]: With dead ends: 3584 [2020-10-28 10:09:03,335 INFO L226 Difference]: Without dead ends: 2207 [2020-10-28 10:09:03,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:03,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-10-28 10:09:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2070. [2020-10-28 10:09:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-10-28 10:09:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2660 transitions. [2020-10-28 10:09:03,424 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2660 transitions. Word has length 175 [2020-10-28 10:09:03,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:03,425 INFO L481 AbstractCegarLoop]: Abstraction has 2070 states and 2660 transitions. [2020-10-28 10:09:03,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2660 transitions. [2020-10-28 10:09:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-28 10:09:03,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:03,433 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:03,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:09:03,433 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash -717599357, now seen corresponding path program 1 times [2020-10-28 10:09:03,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:03,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780680359] [2020-10-28 10:09:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:03,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:05,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:05,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-28 10:09:05,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:09:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2440 [2020-10-28 10:09:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:05,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 10:09:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-28 10:09:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:06,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:06,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:06,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:06,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:06,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:09:06,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:06,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:06,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:06,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:06,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:09:06,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 10:09:06,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:06,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:06,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:06,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:06,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:06,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:06,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:09:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:06,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:06,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:06,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 10:09:06,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 10:09:06,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:06,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 10:09:06,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:09:06,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780680359] [2020-10-28 10:09:06,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:06,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:06,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198523107] [2020-10-28 10:09:06,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:06,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:06,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:06,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:06,253 INFO L87 Difference]: Start difference. First operand 2070 states and 2660 transitions. Second operand 5 states. [2020-10-28 10:09:07,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:07,662 INFO L93 Difference]: Finished difference Result 4681 states and 6118 transitions. [2020-10-28 10:09:07,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:07,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-10-28 10:09:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:07,664 INFO L225 Difference]: With dead ends: 4681 [2020-10-28 10:09:07,664 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:09:07,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:07,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:09:07,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:09:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:09:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:09:07,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2020-10-28 10:09:07,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:07,675 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:09:07,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:09:07,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:09:07,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:09:07,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:09:08,441 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2020-10-28 10:09:09,016 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2020-10-28 10:09:09,145 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:09:09,145 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:09:09,145 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:09:09,146 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:09:09,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:09:09,146 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:09:09,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:09:09,147 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:09:09,148 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:09:09,149 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,150 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:09:09,151 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:09:09,152 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:09:09,153 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,154 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:09:09,155 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:09:09,156 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,157 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:09:09,158 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,159 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L270 CegarLoopResult]: At program point L520(line 520) the Hoare annotation is: (and (not (= |old(~a8~0)| 13)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (= |old(~a7~0)| 1)) (not (= |old(~a20~0)| 1)) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:09:09,160 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 |old(~a8~0)|)))) (and (or (not (= |old(~a7~0)| 1)) .cse0) (or (not (= |old(~a8~0)| 13)) (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 13))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or (not (= |old(~a17~0)| |old(~a20~0)|)) .cse0) (or (not (= |old(~a20~0)| 1)) .cse0)))) [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,161 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:09:09,162 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:09:09,163 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,164 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:09:09,165 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:09:09,166 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 ~a17~0) (= ~a8~0 15) (= ~a20~0 1) (<= 5 ~a16~0)) [2020-10-28 10:09:09,167 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:09:09,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:09:09,167 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:09:09,167 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:09:09,167 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (= ~a20~0 ~a17~0) (= ~a7~0 1) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a8~0 13) (= ~a20~0 1) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:09:09,167 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:09:09,167 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:09:09,168 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (= ~a20~0 ~a17~0) (= ~a7~0 1) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a8~0 13) (= ~a20~0 1) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:09:09,168 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:09:09,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:09:09 BoogieIcfgContainer [2020-10-28 10:09:09,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:09:09,190 INFO L168 Benchmark]: Toolchain (without parser) took 30860.22 ms. Allocated memory was 152.0 MB in the beginning and 731.9 MB in the end (delta: 579.9 MB). Free memory was 126.1 MB in the beginning and 630.1 MB in the end (delta: -503.9 MB). Peak memory consumption was 435.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:09,191 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 152.0 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:09:09,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.92 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 131.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:09,193 INFO L168 Benchmark]: Boogie Preprocessor took 131.43 ms. Allocated memory is still 152.0 MB. Free memory was 131.7 MB in the beginning and 126.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:09,194 INFO L168 Benchmark]: RCFGBuilder took 1229.86 ms. Allocated memory was 152.0 MB in the beginning and 199.2 MB in the end (delta: 47.2 MB). Free memory was 126.6 MB in the beginning and 121.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:09,195 INFO L168 Benchmark]: TraceAbstraction took 28810.20 ms. Allocated memory was 199.2 MB in the beginning and 731.9 MB in the end (delta: 532.7 MB). Free memory was 121.1 MB in the beginning and 630.1 MB in the end (delta: -509.0 MB). Peak memory consumption was 383.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:09,198 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 152.0 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 673.92 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 131.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.43 ms. Allocated memory is still 152.0 MB. Free memory was 131.7 MB in the beginning and 126.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1229.86 ms. Allocated memory was 152.0 MB in the beginning and 199.2 MB in the end (delta: 47.2 MB). Free memory was 126.6 MB in the beginning and 121.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28810.20 ms. Allocated memory was 199.2 MB in the beginning and 731.9 MB in the end (delta: 532.7 MB). Free memory was 121.1 MB in the beginning and 630.1 MB in the end (delta: -509.0 MB). Peak memory consumption was 383.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((!(5 <= \old(a16)) || a20 == a17) || a7 == 1) || !(\old(a17) == \old(a20))) || !(\old(a20) == 1)) || a8 == 15) || a8 == 13) || a20 == 1) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 1640 SDslu, 115 SDs, 0 SdLazy, 3480 SolverSat, 537 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2070occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 697 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 130 PreInvPairs, 170 NumberOfFragments, 345 HoareAnnotationTreeSize, 130 FomulaSimplifications, 13416 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2541 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.8s InterpolantComputationTime, 921 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 915 ConstructedInterpolants, 0 QuantifiedInterpolants, 460700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 193/201 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...