/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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:07:15,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:07:15,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:07:15,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:07:15,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:07:15,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:07:15,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:07:15,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:07:15,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:07:15,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:07:15,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:07:15,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:07:15,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:07:15,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:07:15,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:07:15,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:07:15,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:07:15,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:07:15,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:07:15,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:07:15,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:07:15,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:07:15,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:07:15,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:07:15,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:07:15,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:07:15,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:07:15,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:07:15,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:07:15,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:07:15,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:07:15,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:07:15,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:07:15,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:07:15,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:07:15,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:07:15,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:07:15,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:07:15,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:07:15,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:07:15,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:07:15,696 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 10:07:15,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:07:15,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:07:15,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:07:15,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:07:15,761 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:07:15,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:07:15,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:07:15,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:07:15,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:07:15,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:07:15,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:07:15,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:07:15,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:07:15,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:07:15,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:07:15,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:07:15,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:07:15,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:07:15,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:07:15,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:07:15,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:07:15,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:07:15,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:07:15,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:07:15,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:07:15,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:07:15,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:07:15,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:07:15,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:07:15,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:07:16,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:07:16,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:07:16,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:07:16,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:07:16,264 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:07:16,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-10-28 10:07:16,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e2adfe7bc/f3707d1d8d54431b9e86c0f555e4296d/FLAGc32505ffe [2020-10-28 10:07:17,229 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:07:17,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-10-28 10:07:17,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e2adfe7bc/f3707d1d8d54431b9e86c0f555e4296d/FLAGc32505ffe [2020-10-28 10:07:17,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e2adfe7bc/f3707d1d8d54431b9e86c0f555e4296d [2020-10-28 10:07:17,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:07:17,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:07:17,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:17,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:07:17,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:07:17,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:17" (1/1) ... [2020-10-28 10:07:17,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2e17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:17, skipping insertion in model container [2020-10-28 10:07:17,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:17" (1/1) ... [2020-10-28 10:07:17,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:07:17,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:07:18,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:18,102 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:07:18,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:18,207 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:07:18,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18 WrapperNode [2020-10-28 10:07:18,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:18,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:07:18,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:07:18,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:07:18,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:07:18,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:07:18,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:07:18,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:07:18,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (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 10:07:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:07:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:07:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:07:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:07:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:07:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:07:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:07:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:07:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:07:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:07:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:07:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:07:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:07:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:07:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:07:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:07:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:07:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:07:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:07:19,652 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:07:19,653 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:07:19,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:19 BoogieIcfgContainer [2020-10-28 10:07:19,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:07:19,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:07:19,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:07:19,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:07:19,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:07:17" (1/3) ... [2020-10-28 10:07:19,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46af880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:19, skipping insertion in model container [2020-10-28 10:07:19,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (2/3) ... [2020-10-28 10:07:19,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46af880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:19, skipping insertion in model container [2020-10-28 10:07:19,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:19" (3/3) ... [2020-10-28 10:07:19,664 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-10-28 10:07:19,676 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:07:19,681 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:07:19,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:07:19,724 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:07:19,724 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:07:19,724 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:07:19,724 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:07:19,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:07:19,724 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:07:19,725 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:07:19,725 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:07:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:07:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 10:07:19,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:19,778 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] [2020-10-28 10:07:19,779 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:19,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:19,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1315592841, now seen corresponding path program 1 times [2020-10-28 10:07:19,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:19,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922421641] [2020-10-28 10:07:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:20,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:20,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:22,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:22,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 10:07:22,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2123 [2020-10-28 10:07:22,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:22,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:07:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 10:07:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:07:22,471 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:07:22,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:22,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:22,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:22,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 10:07:22,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:22,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:07:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-10-28 10:07:22,619 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 10:07:22,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922421641] [2020-10-28 10:07:22,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:07:22,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:07:22,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255143216] [2020-10-28 10:07:22,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:07:22,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:22,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:07:22,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:07:22,657 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:07:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:24,757 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-28 10:07:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:24,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2020-10-28 10:07:24,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:24,774 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:07:24,774 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:07:24,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 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 10:07:24,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:07:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-28 10:07:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-28 10:07:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-28 10:07:24,869 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 110 [2020-10-28 10:07:24,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:24,871 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-28 10:07:24,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:07:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-28 10:07:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-28 10:07:24,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:24,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:07:24,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:07:24,877 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:24,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:24,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1908289750, now seen corresponding path program 1 times [2020-10-28 10:07:24,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:24,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473788895] [2020-10-28 10:07:24,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:24,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 10:07:29,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4109 [2020-10-28 10:07:29,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:07:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 10:07:29,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:07:29,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 10:07:29,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:07:29,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:07:29,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:07:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:29,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473788895] [2020-10-28 10:07:29,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:29,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:29,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847848925] [2020-10-28 10:07:29,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:29,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:29,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:29,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:29,335 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-28 10:07:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:30,967 INFO L93 Difference]: Finished difference Result 838 states and 1171 transitions. [2020-10-28 10:07:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:30,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-28 10:07:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:30,976 INFO L225 Difference]: With dead ends: 838 [2020-10-28 10:07:30,976 INFO L226 Difference]: Without dead ends: 563 [2020-10-28 10:07:30,978 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 10:07:30,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-28 10:07:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 559. [2020-10-28 10:07:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-28 10:07:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 736 transitions. [2020-10-28 10:07:31,041 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 736 transitions. Word has length 119 [2020-10-28 10:07:31,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:31,043 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 736 transitions. [2020-10-28 10:07:31,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:31,044 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 736 transitions. [2020-10-28 10:07:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 10:07:31,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:31,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:07:31,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:07:31,058 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:31,059 INFO L82 PathProgramCache]: Analyzing trace with hash -215052346, now seen corresponding path program 1 times [2020-10-28 10:07:31,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:31,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373387348] [2020-10-28 10:07:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:31,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:31,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:31,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:31,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:31,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 10:07:31,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:31,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-10-28 10:07:31,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:31,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:07:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 10:07:31,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:32,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:32,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:07:32,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:32,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:32,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:07:32,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:07:32,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:07:32,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:32,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373387348] [2020-10-28 10:07:32,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:32,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:07:32,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682834453] [2020-10-28 10:07:32,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:07:32,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:32,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:07:32,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:32,116 INFO L87 Difference]: Start difference. First operand 559 states and 736 transitions. Second operand 6 states. [2020-10-28 10:07:32,367 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:34,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:34,642 INFO L93 Difference]: Finished difference Result 2077 states and 2849 transitions. [2020-10-28 10:07:34,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:07:34,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2020-10-28 10:07:34,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:34,654 INFO L225 Difference]: With dead ends: 2077 [2020-10-28 10:07:34,655 INFO L226 Difference]: Without dead ends: 1387 [2020-10-28 10:07:34,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:07:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-10-28 10:07:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 976. [2020-10-28 10:07:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-28 10:07:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1223 transitions. [2020-10-28 10:07:34,712 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1223 transitions. Word has length 121 [2020-10-28 10:07:34,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:34,713 INFO L481 AbstractCegarLoop]: Abstraction has 976 states and 1223 transitions. [2020-10-28 10:07:34,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:07:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1223 transitions. [2020-10-28 10:07:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-28 10:07:34,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:34,718 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:07:34,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:07:34,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:34,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:34,719 INFO L82 PathProgramCache]: Analyzing trace with hash -970841546, now seen corresponding path program 1 times [2020-10-28 10:07:34,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:34,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977633104] [2020-10-28 10:07:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:34,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:36,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:38,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:38,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 10:07:38,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:07:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3958 [2020-10-28 10:07:38,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:38,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 10:07:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 10:07:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:38,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:38,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:38,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:38,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:07:38,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:38,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:38,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:38,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:38,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 10:07:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 10:07:38,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:38,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 10:07:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:39,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977633104] [2020-10-28 10:07:39,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:39,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:39,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777197186] [2020-10-28 10:07:39,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:39,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:39,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:39,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:39,047 INFO L87 Difference]: Start difference. First operand 976 states and 1223 transitions. Second operand 5 states. [2020-10-28 10:07:39,297 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:40,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:40,688 INFO L93 Difference]: Finished difference Result 2361 states and 3054 transitions. [2020-10-28 10:07:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:40,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-28 10:07:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:40,700 INFO L225 Difference]: With dead ends: 2361 [2020-10-28 10:07:40,700 INFO L226 Difference]: Without dead ends: 1391 [2020-10-28 10:07:40,703 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 10:07:40,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2020-10-28 10:07:40,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1387. [2020-10-28 10:07:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2020-10-28 10:07:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1750 transitions. [2020-10-28 10:07:40,783 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1750 transitions. Word has length 129 [2020-10-28 10:07:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:40,783 INFO L481 AbstractCegarLoop]: Abstraction has 1387 states and 1750 transitions. [2020-10-28 10:07:40,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1750 transitions. [2020-10-28 10:07:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 10:07:40,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:40,793 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, 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] [2020-10-28 10:07:40,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:07:40,794 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:40,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:40,794 INFO L82 PathProgramCache]: Analyzing trace with hash -114326045, now seen corresponding path program 1 times [2020-10-28 10:07:40,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:40,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723647800] [2020-10-28 10:07:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:40,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:40,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:44,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 10:07:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:07:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4139 [2020-10-28 10:07:44,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:44,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 10:07:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 10:07:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:45,157 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:07:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:45,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:45,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:45,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:45,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:07:45,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:45,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:45,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 10:07:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:45,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:45,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:45,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:07:45,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:45,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 10:07:45,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:45,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:07:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:07:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:45,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723647800] [2020-10-28 10:07:45,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:45,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:45,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975851497] [2020-10-28 10:07:45,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:45,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:45,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:45,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:45,326 INFO L87 Difference]: Start difference. First operand 1387 states and 1750 transitions. Second operand 5 states. [2020-10-28 10:07:45,490 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:46,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:46,941 INFO L93 Difference]: Finished difference Result 4007 states and 5164 transitions. [2020-10-28 10:07:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:46,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-28 10:07:46,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:46,959 INFO L225 Difference]: With dead ends: 4007 [2020-10-28 10:07:46,959 INFO L226 Difference]: Without dead ends: 2626 [2020-10-28 10:07:46,965 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 10:07:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2020-10-28 10:07:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 1945. [2020-10-28 10:07:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-10-28 10:07:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2506 transitions. [2020-10-28 10:07:47,078 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2506 transitions. Word has length 136 [2020-10-28 10:07:47,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:47,078 INFO L481 AbstractCegarLoop]: Abstraction has 1945 states and 2506 transitions. [2020-10-28 10:07:47,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2506 transitions. [2020-10-28 10:07:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-28 10:07:47,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:47,088 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, 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] [2020-10-28 10:07:47,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:07:47,089 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:47,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:47,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1040484450, now seen corresponding path program 1 times [2020-10-28 10:07:47,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:47,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007320899] [2020-10-28 10:07:47,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:47,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:48,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:48,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-28 10:07:48,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1797 [2020-10-28 10:07:48,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:48,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 10:07:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 10:07:48,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:49,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:49,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:49,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:49,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:07:49,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:49,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:49,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:49,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 10:07:49,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 10:07:49,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:49,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 10:07:49,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:49,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007320899] [2020-10-28 10:07:49,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:49,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:49,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244359824] [2020-10-28 10:07:49,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:49,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:49,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:49,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:49,302 INFO L87 Difference]: Start difference. First operand 1945 states and 2506 transitions. Second operand 5 states. [2020-10-28 10:07:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:50,790 INFO L93 Difference]: Finished difference Result 4570 states and 5909 transitions. [2020-10-28 10:07:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:50,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-28 10:07:50,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:50,793 INFO L225 Difference]: With dead ends: 4570 [2020-10-28 10:07:50,794 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:07:50,806 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 10:07:50,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:07:50,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:07:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:07:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:07:50,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2020-10-28 10:07:50,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:50,807 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:07:50,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:50,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:07:50,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:07:50,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:07:50,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:07:51,745 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2020-10-28 10:07:52,497 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-10-28 10:07:52,760 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 11 [2020-10-28 10:07:52,764 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:07:52,765 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:07:52,765 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:07:52,765 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:07:52,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:07:52,766 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 10:07:52,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:07:52,766 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,766 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,766 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,767 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,768 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,769 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,769 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:07:52,769 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:07:52,770 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:07:52,770 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:07:52,770 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:07:52,770 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:07:52,770 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,771 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,772 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,772 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,772 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:07:52,772 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:07:52,774 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:07:52,774 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:07:52,774 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,775 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,776 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,776 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:07:52,776 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:07:52,776 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:07:52,777 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:07:52,778 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:07:52,778 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:07:52,778 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:07:52,778 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:07:52,780 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:07:52,782 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:07:52,782 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:07:52,782 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:07:52,782 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:07:52,783 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,784 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,785 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:07:52,786 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,787 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:07:52,788 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:07:52,789 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:07:52,789 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:07:52,789 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,790 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L270 CegarLoopResult]: At program point L487(line 487) the Hoare annotation is: (and (= 15 |old(~a8~0)|) (not (= 0 |old(~a20~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L487-1(line 487) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:07:52,791 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse2 .cse1 .cse3 .cse4 .cse5 .cse6))) (and (or (not (= 0 |old(~a20~0)|)) .cse0) (or (= 15 |old(~a8~0)|) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6)) (or .cse0 (= |old(~a7~0)| 1))))) [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:07:52,792 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:07:52,793 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:07:52,794 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,795 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:07:52,796 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:07:52,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:07:52,798 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (= 5 ~a16~0) (= ~a17~0 1)) [2020-10-28 10:07:52,798 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:07:52,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:07:52,798 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:52,798 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:07:52,798 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (= ~a20~0 0) (not (= |old(~a17~0)| 1)) (not (= ~a8~0 15)) (not (= ~a7~0 1)) (not (= 5 |old(~a16~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:52,798 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:07:52,798 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:07:52,799 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (= ~a20~0 0) (not (= |old(~a17~0)| 1)) (not (= ~a8~0 15)) (not (= ~a7~0 1)) (not (= 5 |old(~a16~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:52,799 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:07:52,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:07:52 BoogieIcfgContainer [2020-10-28 10:07:52,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:07:52,827 INFO L168 Benchmark]: Toolchain (without parser) took 35340.36 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 130.1 MB in the beginning and 636.5 MB in the end (delta: -506.4 MB). Peak memory consumption was 403.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:52,828 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:07:52,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.47 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 102.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:52,836 INFO L168 Benchmark]: Boogie Preprocessor took 110.20 ms. Allocated memory is still 156.2 MB. Free memory was 102.5 MB in the beginning and 97.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:52,837 INFO L168 Benchmark]: RCFGBuilder took 1334.68 ms. Allocated memory is still 156.2 MB. Free memory was 97.4 MB in the beginning and 127.3 MB in the end (delta: -30.0 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:52,838 INFO L168 Benchmark]: TraceAbstraction took 33166.50 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 126.8 MB in the beginning and 636.5 MB in the end (delta: -509.7 MB). Peak memory consumption was 398.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:52,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 713.47 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 102.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.20 ms. Allocated memory is still 156.2 MB. Free memory was 102.5 MB in the beginning and 97.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1334.68 ms. Allocated memory is still 156.2 MB. Free memory was 97.4 MB in the beginning and 127.3 MB in the end (delta: -30.0 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33166.50 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 126.8 MB in the beginning and 636.5 MB in the end (delta: -509.7 MB). Peak memory consumption was 398.9 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: ((((a20 == 0 || !(\old(a17) == 1)) || !(a8 == 15)) || !(a7 == 1)) || !(5 == \old(a16))) || \old(a7) == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 1734 SDslu, 113 SDs, 0 SdLazy, 3933 SolverSat, 539 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1945occurred 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, 1106 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 130 PreInvPairs, 172 NumberOfFragments, 260 HoareAnnotationTreeSize, 130 FomulaSimplifications, 21086 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3525 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 788 NumberOfCodeBlocks, 788 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 782 ConstructedInterpolants, 0 QuantifiedInterpolants, 379404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 108/113 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...