/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_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:06:22,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:06:22,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:06:22,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:06:22,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:06:22,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:06:22,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:06:22,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:06:22,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:06:22,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:06:22,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:06:22,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:06:22,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:06:22,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:06:22,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:06:22,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:06:22,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:06:22,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:06:22,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:06:22,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:06:22,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:06:22,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:06:22,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:06:22,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:06:22,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:06:22,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:06:22,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:06:22,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:06:22,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:06:22,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:06:22,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:06:22,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:06:22,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:06:22,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:06:22,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:06:22,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:06:22,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:06:22,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:06:22,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:06:22,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:06:22,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:06:22,660 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 10:06:22,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:06:22,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:06:22,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:06:22,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:06:22,722 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:06:22,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:06:22,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:06:22,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:06:22,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:06:22,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:06:22,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:06:22,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:06:22,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:06:22,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:06:22,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:06:22,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:06:22,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:06:22,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:06:22,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:06:22,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:06:22,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:06:22,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:06:22,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:06:22,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:06:22,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:06:22,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:06:22,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:06:22,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:06:22,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:06:22,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:06:23,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:06:23,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:06:23,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:06:23,247 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:06:23,247 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:06:23,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-10-28 10:06:23,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b9bef2f15/4a1b1fd8374748538d7189b5f72d9e32/FLAG0d8f36c3f [2020-10-28 10:06:24,240 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:06:24,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-10-28 10:06:24,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b9bef2f15/4a1b1fd8374748538d7189b5f72d9e32/FLAG0d8f36c3f [2020-10-28 10:06:24,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b9bef2f15/4a1b1fd8374748538d7189b5f72d9e32 [2020-10-28 10:06:24,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:06:24,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:06:24,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:06:24,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:06:24,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:06:24,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:06:24" (1/1) ... [2020-10-28 10:06:24,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e70e563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:24, skipping insertion in model container [2020-10-28 10:06:24,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:06:24" (1/1) ... [2020-10-28 10:06:24,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:06:24,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:06:24,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:06:24,968 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:06:25,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:06:25,136 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:06:25,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25 WrapperNode [2020-10-28 10:06:25,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:06:25,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:06:25,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:06:25,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:06:25,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (1/1) ... [2020-10-28 10:06:25,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:06:25,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:06:25,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:06:25,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:06:25,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (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 10:06:25,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:06:25,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:06:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:06:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:06:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:06:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:06:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:06:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:06:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:06:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:06:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:06:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:06:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:06:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:06:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:06:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:06:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:06:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:06:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:06:27,118 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:06:27,118 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:06:27,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:06:27 BoogieIcfgContainer [2020-10-28 10:06:27,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:06:27,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:06:27,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:06:27,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:06:27,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:06:24" (1/3) ... [2020-10-28 10:06:27,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151a3742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:06:27, skipping insertion in model container [2020-10-28 10:06:27,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:25" (2/3) ... [2020-10-28 10:06:27,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151a3742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:06:27, skipping insertion in model container [2020-10-28 10:06:27,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:06:27" (3/3) ... [2020-10-28 10:06:27,131 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-10-28 10:06:27,144 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:06:27,150 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:06:27,166 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:06:27,197 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:06:27,198 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:06:27,198 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:06:27,198 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:06:27,198 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:06:27,198 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:06:27,198 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:06:27,199 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:06:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:06:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-28 10:06:27,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:27,247 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, 1, 1] [2020-10-28 10:06:27,247 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:27,260 INFO L82 PathProgramCache]: Analyzing trace with hash 590752899, now seen corresponding path program 1 times [2020-10-28 10:06:27,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:27,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524188911] [2020-10-28 10:06:27,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:27,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:28,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:29,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:29,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 10:06:29,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:06:29,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2291 [2020-10-28 10:06:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:29,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:06:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:06:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 10:06:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:06:30,275 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:06:30,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:30,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:30,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:30,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:30,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:30,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 10:06:30,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:30,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:30,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:30,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:30,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:06:30,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:30,428 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 10:06:30,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524188911] [2020-10-28 10:06:30,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:06:30,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:06:30,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944493514] [2020-10-28 10:06:30,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:06:30,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:30,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:06:30,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:06:30,473 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:06:30,783 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:32,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:32,772 INFO L93 Difference]: Finished difference Result 562 states and 961 transitions. [2020-10-28 10:06:32,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:32,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-10-28 10:06:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:32,789 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:06:32,790 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:06:32,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:32,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:06:32,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2020-10-28 10:06:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-28 10:06:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2020-10-28 10:06:32,880 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 123 [2020-10-28 10:06:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:32,881 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2020-10-28 10:06:32,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:06:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2020-10-28 10:06:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 10:06:32,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:32,888 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, 1, 1] [2020-10-28 10:06:32,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:06:32,888 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:32,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1236842843, now seen corresponding path program 1 times [2020-10-28 10:06:32,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:32,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822871462] [2020-10-28 10:06:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:32,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:35,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:35,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 10:06:35,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:06:35,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2063 [2020-10-28 10:06:35,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:35,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:06:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 10:06:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:06:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:35,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:35,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:35,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:35,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:06:35,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:35,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:35,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:35,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:35,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:06:35,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:35,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:06:35,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:35,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:06:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:35,373 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 10:06:35,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822871462] [2020-10-28 10:06:35,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:35,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:06:35,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22250231] [2020-10-28 10:06:35,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:06:35,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:35,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:06:35,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:35,378 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 5 states. [2020-10-28 10:06:35,505 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:36,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:36,883 INFO L93 Difference]: Finished difference Result 564 states and 798 transitions. [2020-10-28 10:06:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:36,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-28 10:06:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:36,903 INFO L225 Difference]: With dead ends: 564 [2020-10-28 10:06:36,904 INFO L226 Difference]: Without dead ends: 561 [2020-10-28 10:06:36,905 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 10:06:36,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-28 10:06:36,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 420. [2020-10-28 10:06:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-28 10:06:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 601 transitions. [2020-10-28 10:06:37,004 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 601 transitions. Word has length 131 [2020-10-28 10:06:37,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:37,005 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 601 transitions. [2020-10-28 10:06:37,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:06:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 601 transitions. [2020-10-28 10:06:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-28 10:06:37,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:37,017 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:06:37,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:06:37,020 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:37,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:37,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1238719613, now seen corresponding path program 1 times [2020-10-28 10:06:37,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:37,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665697019] [2020-10-28 10:06:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:37,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:37,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:37,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:38,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-28 10:06:39,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:06:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1982 [2020-10-28 10:06:39,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 10:06:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 10:06:39,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:39,264 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:06:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:39,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:39,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:06:39,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:39,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:39,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:06:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 10:06:39,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:39,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:39,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 10:06:39,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:06:39,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665697019] [2020-10-28 10:06:39,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:39,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:06:39,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103050568] [2020-10-28 10:06:39,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:06:39,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:39,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:06:39,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:39,482 INFO L87 Difference]: Start difference. First operand 420 states and 601 transitions. Second operand 5 states. [2020-10-28 10:06:39,631 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:40,955 INFO L93 Difference]: Finished difference Result 1249 states and 1827 transitions. [2020-10-28 10:06:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:40,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-28 10:06:40,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:40,972 INFO L225 Difference]: With dead ends: 1249 [2020-10-28 10:06:40,972 INFO L226 Difference]: Without dead ends: 835 [2020-10-28 10:06:40,974 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 10:06:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-28 10:06:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-28 10:06:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-28 10:06:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1182 transitions. [2020-10-28 10:06:41,057 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1182 transitions. Word has length 143 [2020-10-28 10:06:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:41,059 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1182 transitions. [2020-10-28 10:06:41,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:06:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1182 transitions. [2020-10-28 10:06:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-28 10:06:41,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:41,066 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, 1, 1] [2020-10-28 10:06:41,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:06:41,067 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:41,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:41,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1330482338, now seen corresponding path program 1 times [2020-10-28 10:06:41,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:41,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227563440] [2020-10-28 10:06:41,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:41,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:41,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:41,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:42,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:42,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:42,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 10:06:42,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:06:42,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1696 [2020-10-28 10:06:42,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:42,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:42,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:42,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 10:06:42,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 10:06:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:42,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:06:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:42,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:43,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:43,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 10:06:43,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 10:06:43,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:43,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 10:06:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:43,138 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 10:06:43,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227563440] [2020-10-28 10:06:43,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:43,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:06:43,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519198263] [2020-10-28 10:06:43,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:06:43,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:43,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:06:43,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:43,142 INFO L87 Difference]: Start difference. First operand 831 states and 1182 transitions. Second operand 5 states. [2020-10-28 10:06:43,403 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:44,963 INFO L93 Difference]: Finished difference Result 2207 states and 3219 transitions. [2020-10-28 10:06:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:44,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-28 10:06:44,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:44,966 INFO L225 Difference]: With dead ends: 2207 [2020-10-28 10:06:44,966 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:06:44,971 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 10:06:44,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:06:44,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:06:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:06:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:06:44,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-10-28 10:06:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:44,973 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:06:44,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:06:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:06:44,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:06:44,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:06:44,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:06:45,474 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2020-10-28 10:06:45,839 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2020-10-28 10:06:45,996 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:06:45,996 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:06:45,996 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:06:45,996 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:06:45,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:06:45,997 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 10:06:45,997 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:06:45,997 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,997 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,997 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:06:45,998 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:45,999 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:06:46,000 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,001 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:06:46,002 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:06:46,003 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:06:46,004 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,005 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:06:46,006 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,007 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:06:46,008 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:06:46,009 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:06:46,010 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,011 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:06:46,012 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,013 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,013 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse0 (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 |old(~a8~0)|)))) (and (or .cse0 (not (= 0 |old(~a17~0)|))) (or (= |old(~a7~0)| |old(~a21~0)|) .cse0) (or (not (= |old(~a20~0)| 1)) .cse0))) [2020-10-28 10:06:46,013 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,013 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,013 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,013 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:06:46,013 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:06:46,014 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:06:46,015 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L270 CegarLoopResult]: At program point L526(line 526) the Hoare annotation is: (and (= |old(~a7~0)| |old(~a21~0)|) (not (= |old(~a20~0)| 1)) (not (= 0 |old(~a17~0)|))) [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L526-1(line 526) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:06:46,016 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:06:46,017 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:06:46,018 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:06:46,019 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:06:46,019 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:06:46,019 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:06:46,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:06:46,019 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a21~0 ~a7~0)) (= ~a20~0 1) (<= 5 ~a16~0)) [2020-10-28 10:06:46,019 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:06:46,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:06:46,019 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= 5 |old(~a16~0)|)) (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 |old(~a8~0)|))) [2020-10-28 10:06:46,019 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:06:46,020 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= 5 |old(~a16~0)|)) (not (= ~a21~0 ~a7~0)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a17~0 0)) [2020-10-28 10:06:46,020 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:06:46,020 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:06:46,020 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= 5 |old(~a16~0)|)) (not (= ~a21~0 ~a7~0)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a17~0 0)) [2020-10-28 10:06:46,020 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:06:46,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:06:46 BoogieIcfgContainer [2020-10-28 10:06:46,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:06:46,043 INFO L168 Benchmark]: Toolchain (without parser) took 21610.30 ms. Allocated memory was 153.1 MB in the beginning and 540.0 MB in the end (delta: 386.9 MB). Free memory was 126.6 MB in the beginning and 420.0 MB in the end (delta: -293.5 MB). Peak memory consumption was 316.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:46,044 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 133.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:06:46,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.63 ms. Allocated memory is still 153.1 MB. Free memory was 125.9 MB in the beginning and 131.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:46,046 INFO L168 Benchmark]: Boogie Preprocessor took 167.86 ms. Allocated memory is still 153.1 MB. Free memory was 131.6 MB in the beginning and 126.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:46,047 INFO L168 Benchmark]: RCFGBuilder took 1810.85 ms. Allocated memory was 153.1 MB in the beginning and 204.5 MB in the end (delta: 51.4 MB). Free memory was 126.4 MB in the beginning and 124.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:46,048 INFO L168 Benchmark]: TraceAbstraction took 18918.16 ms. Allocated memory was 204.5 MB in the beginning and 540.0 MB in the end (delta: 335.5 MB). Free memory was 124.0 MB in the beginning and 420.0 MB in the end (delta: -296.0 MB). Peak memory consumption was 261.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:46,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 133.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 693.63 ms. Allocated memory is still 153.1 MB. Free memory was 125.9 MB in the beginning and 131.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 167.86 ms. Allocated memory is still 153.1 MB. Free memory was 131.6 MB in the beginning and 126.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1810.85 ms. Allocated memory was 153.1 MB in the beginning and 204.5 MB in the end (delta: 51.4 MB). Free memory was 126.4 MB in the beginning and 124.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18918.16 ms. Allocated memory was 204.5 MB in the beginning and 540.0 MB in the end (delta: 335.5 MB). Free memory was 124.0 MB in the beginning and 420.0 MB in the end (delta: -296.0 MB). Peak memory consumption was 261.4 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: ((((\old(a7) == \old(a21) || !(5 <= \old(a16))) || !(a21 == a7)) || !(\old(a20) == 1)) || a20 == 1) || a17 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 1180 SDslu, 63 SDs, 0 SdLazy, 2317 SolverSat, 354 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=831occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 149 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 52 PreInvPairs, 74 NumberOfFragments, 260 HoareAnnotationTreeSize, 52 FomulaSimplifications, 7858 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1170 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 545 NumberOfCodeBlocks, 545 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 271426 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 41/44 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...