/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=DEEPEST --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/Problem02_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:38:57,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:38:57,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:38:57,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:38:57,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:38:57,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:38:57,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:38:57,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:38:57,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:38:57,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:38:57,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:38:57,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:38:57,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:38:57,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:38:57,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:38:57,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:38:57,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:38:57,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:38:57,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:38:57,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:38:57,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:38:57,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:38:57,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:38:57,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:38:57,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:38:57,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:38:57,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:38:57,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:38:57,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:38:57,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:38:57,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:38:57,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:38:57,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:38:57,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:38:57,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:38:57,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:38:57,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:38:57,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:38:57,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:38:57,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:38:57,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:38:57,651 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 [2020-10-27 15:38:57,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:38:57,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:38:57,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:38:57,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:38:57,762 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:38:57,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:38:57,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:38:57,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:38:57,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:38:57,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:38:57,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:38:57,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:38:57,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:38:57,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:38:57,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:38:57,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:38:57,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:38:57,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:38:57,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:38:57,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:38:57,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:38:57,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:57,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:38:57,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:38:57,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:38:57,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:38:57,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:38:57,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:38:57,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:38:57,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:38:58,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:38:58,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:38:58,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:38:58,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:38:58,224 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:38:58,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-27 15:38:58,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/862a83be0/0de99efa1d75433a9cdd91685146bfd3/FLAGe8a226aa2 [2020-10-27 15:38:59,083 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:38:59,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-27 15:38:59,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/862a83be0/0de99efa1d75433a9cdd91685146bfd3/FLAGe8a226aa2 [2020-10-27 15:38:59,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/862a83be0/0de99efa1d75433a9cdd91685146bfd3 [2020-10-27 15:38:59,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:38:59,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:38:59,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:59,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:38:59,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:38:59,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:59" (1/1) ... [2020-10-27 15:38:59,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107c2195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:59, skipping insertion in model container [2020-10-27 15:38:59,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:59" (1/1) ... [2020-10-27 15:38:59,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:38:59,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:38:59,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:59,858 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:39:00,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:39:00,042 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:39:00,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00 WrapperNode [2020-10-27 15:39:00,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:39:00,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:39:00,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:39:00,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:39:00,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (1/1) ... [2020-10-27 15:39:00,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:39:00,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:39:00,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:39:00,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:39:00,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (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 [2020-10-27 15:39:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:39:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:39:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:39:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:39:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:39:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:39:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:39:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:39:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:39:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:39:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:39:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:39:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:39:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:39:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:39:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:39:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:39:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:39:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:39:01,829 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:39:01,829 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:39:01,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:39:01 BoogieIcfgContainer [2020-10-27 15:39:01,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:39:01,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:39:01,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:39:01,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:39:01,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:38:59" (1/3) ... [2020-10-27 15:39:01,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d0c9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:39:01, skipping insertion in model container [2020-10-27 15:39:01,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:00" (2/3) ... [2020-10-27 15:39:01,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d0c9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:39:01, skipping insertion in model container [2020-10-27 15:39:01,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:39:01" (3/3) ... [2020-10-27 15:39:01,847 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-10-27 15:39:01,860 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:39:01,867 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:39:01,881 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:39:01,927 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:39:01,927 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:39:01,927 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:39:01,927 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:39:01,928 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:39:01,928 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:39:01,928 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:39:01,928 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:39:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:39:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 15:39:01,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:01,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:01,966 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:01,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:01,973 INFO L82 PathProgramCache]: Analyzing trace with hash -368636091, now seen corresponding path program 1 times [2020-10-27 15:39:01,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:01,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606874407] [2020-10-27 15:39:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:02,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:04,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:04,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-27 15:39:04,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:39:04,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1713 [2020-10-27 15:39:04,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:39:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:39:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 15:39:04,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:39:04,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:04,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:04,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:04,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:04,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 15:39:04,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:39:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:04,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606874407] [2020-10-27 15:39:04,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:39:04,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:39:04,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475864701] [2020-10-27 15:39:04,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:39:04,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:04,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:39:04,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:39:04,355 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-27 15:39:06,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:06,553 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-27 15:39:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:06,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-10-27 15:39:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:06,572 INFO L225 Difference]: With dead ends: 667 [2020-10-27 15:39:06,573 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:39:06,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:06,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:39:06,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:39:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:39:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-27 15:39:06,673 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 112 [2020-10-27 15:39:06,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:06,674 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-27 15:39:06,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:39:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-27 15:39:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 15:39:06,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:06,685 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:06,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:39:06,685 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:06,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:06,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1912144249, now seen corresponding path program 1 times [2020-10-27 15:39:06,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:06,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435545122] [2020-10-27 15:39:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:06,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:06,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:07,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:07,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:08,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:08,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 15:39:08,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:39:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1668 [2020-10-27 15:39:08,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:39:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 15:39:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:08,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:08,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:08,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:39:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:08,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:08,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:08,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:08,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:39:08,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:08,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:39:08,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:08,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:39:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:08,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435545122] [2020-10-27 15:39:08,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:08,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:08,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037280668] [2020-10-27 15:39:08,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:08,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:08,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:08,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:08,824 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 5 states. [2020-10-27 15:39:09,057 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:39:10,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:10,484 INFO L93 Difference]: Finished difference Result 761 states and 1146 transitions. [2020-10-27 15:39:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:10,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-27 15:39:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:10,492 INFO L225 Difference]: With dead ends: 761 [2020-10-27 15:39:10,497 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:39:10,499 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 [2020-10-27 15:39:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:39:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:39:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:39:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 485 transitions. [2020-10-27 15:39:10,550 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 485 transitions. Word has length 120 [2020-10-27 15:39:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:10,551 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 485 transitions. [2020-10-27 15:39:10,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 485 transitions. [2020-10-27 15:39:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 15:39:10,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:10,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:10,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:39:10,564 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:10,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:10,568 INFO L82 PathProgramCache]: Analyzing trace with hash 415745293, now seen corresponding path program 1 times [2020-10-27 15:39:10,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:10,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439636551] [2020-10-27 15:39:10,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:10,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:10,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:11,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:11,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:11,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:11,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 15:39:11,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:39:11,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1348 [2020-10-27 15:39:11,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 15:39:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 15:39:11,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:12,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:12,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:12,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:12,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:12,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:12,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:39:12,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:12,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:12,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 15:39:12,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:39:12,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 15:39:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:39:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:12,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439636551] [2020-10-27 15:39:12,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:12,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:12,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628886423] [2020-10-27 15:39:12,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:12,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:12,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:12,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:12,286 INFO L87 Difference]: Start difference. First operand 338 states and 485 transitions. Second operand 5 states. [2020-10-27 15:39:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:13,840 INFO L93 Difference]: Finished difference Result 992 states and 1455 transitions. [2020-10-27 15:39:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:13,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-27 15:39:13,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:13,847 INFO L225 Difference]: With dead ends: 992 [2020-10-27 15:39:13,847 INFO L226 Difference]: Without dead ends: 660 [2020-10-27 15:39:13,849 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 [2020-10-27 15:39:13,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-10-27 15:39:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 644. [2020-10-27 15:39:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-27 15:39:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 903 transitions. [2020-10-27 15:39:13,887 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 903 transitions. Word has length 126 [2020-10-27 15:39:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:13,888 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 903 transitions. [2020-10-27 15:39:13,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 903 transitions. [2020-10-27 15:39:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 15:39:13,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:13,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:13,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:39:13,894 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:13,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:13,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1128132893, now seen corresponding path program 1 times [2020-10-27 15:39:13,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:13,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657767251] [2020-10-27 15:39:13,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:14,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:18,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 15:39:18,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:39:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 15:39:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:39:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 15:39:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 15:39:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:19,456 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-27 15:39:19,603 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-10-27 15:39:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:20,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:20,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:20,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:20,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:39:20,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:20,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:20,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:20,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:20,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 15:39:20,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:39:20,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:20,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:20,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:20,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 15:39:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:20,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:39:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:39:20,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 15:39:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 15:39:20,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657767251] [2020-10-27 15:39:20,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:20,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:39:20,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351814015] [2020-10-27 15:39:20,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:39:20,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:20,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:39:20,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:39:20,237 INFO L87 Difference]: Start difference. First operand 644 states and 903 transitions. Second operand 12 states. [2020-10-27 15:39:20,685 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:39:21,083 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2020-10-27 15:39:21,683 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-10-27 15:39:22,196 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2020-10-27 15:39:22,820 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-10-27 15:39:23,504 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-10-27 15:39:23,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:23,894 INFO L93 Difference]: Finished difference Result 1357 states and 1947 transitions. [2020-10-27 15:39:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 15:39:23,895 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-27 15:39:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:23,900 INFO L225 Difference]: With dead ends: 1357 [2020-10-27 15:39:23,900 INFO L226 Difference]: Without dead ends: 719 [2020-10-27 15:39:23,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-27 15:39:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-10-27 15:39:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 711. [2020-10-27 15:39:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2020-10-27 15:39:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 977 transitions. [2020-10-27 15:39:23,932 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 977 transitions. Word has length 136 [2020-10-27 15:39:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:23,933 INFO L481 AbstractCegarLoop]: Abstraction has 711 states and 977 transitions. [2020-10-27 15:39:23,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:39:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 977 transitions. [2020-10-27 15:39:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 15:39:23,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:23,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:23,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:39:23,938 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:23,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:23,938 INFO L82 PathProgramCache]: Analyzing trace with hash -587398222, now seen corresponding path program 1 times [2020-10-27 15:39:23,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:23,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545767954] [2020-10-27 15:39:23,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:23,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:24,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:25,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 15:39:25,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:39:25,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1174 [2020-10-27 15:39:25,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:25,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:25,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-27 15:39:25,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 15:39:25,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:39:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:25,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:25,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:39:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:25,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:25,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:25,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 15:39:25,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:39:25,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:25,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:25,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 15:39:25,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:39:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:25,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545767954] [2020-10-27 15:39:25,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:25,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:25,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087200975] [2020-10-27 15:39:25,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:25,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:25,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:25,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:25,404 INFO L87 Difference]: Start difference. First operand 711 states and 977 transitions. Second operand 5 states. [2020-10-27 15:39:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:26,956 INFO L93 Difference]: Finished difference Result 2014 states and 2862 transitions. [2020-10-27 15:39:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:26,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-27 15:39:26,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:26,968 INFO L225 Difference]: With dead ends: 2014 [2020-10-27 15:39:26,968 INFO L226 Difference]: Without dead ends: 1309 [2020-10-27 15:39:26,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:26,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2020-10-27 15:39:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1296. [2020-10-27 15:39:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2020-10-27 15:39:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1755 transitions. [2020-10-27 15:39:27,044 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1755 transitions. Word has length 136 [2020-10-27 15:39:27,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:27,044 INFO L481 AbstractCegarLoop]: Abstraction has 1296 states and 1755 transitions. [2020-10-27 15:39:27,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1755 transitions. [2020-10-27 15:39:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 15:39:27,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:27,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:27,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:39:27,053 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:27,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:27,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1606415807, now seen corresponding path program 1 times [2020-10-27 15:39:27,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:27,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891702497] [2020-10-27 15:39:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:27,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:28,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:28,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 15:39:28,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:39:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-27 15:39:28,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-27 15:39:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 15:39:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:28,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:28,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:28,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 15:39:28,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:28,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:39:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:39:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:28,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:39:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:28,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:28,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:28,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:39:28,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:28,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:39:28,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 15:39:28,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:39:28,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891702497] [2020-10-27 15:39:28,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:28,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:28,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463779296] [2020-10-27 15:39:28,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:28,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:28,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:28,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:28,499 INFO L87 Difference]: Start difference. First operand 1296 states and 1755 transitions. Second operand 5 states. [2020-10-27 15:39:30,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:30,225 INFO L93 Difference]: Finished difference Result 3192 states and 4433 transitions. [2020-10-27 15:39:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:30,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-27 15:39:30,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:30,240 INFO L225 Difference]: With dead ends: 3192 [2020-10-27 15:39:30,240 INFO L226 Difference]: Without dead ends: 1902 [2020-10-27 15:39:30,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:30,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2020-10-27 15:39:30,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1877. [2020-10-27 15:39:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-27 15:39:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2554 transitions. [2020-10-27 15:39:30,341 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2554 transitions. Word has length 153 [2020-10-27 15:39:30,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:30,342 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2554 transitions. [2020-10-27 15:39:30,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2554 transitions. [2020-10-27 15:39:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 15:39:30,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:30,349 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:39:30,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:39:30,349 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:30,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1282639801, now seen corresponding path program 1 times [2020-10-27 15:39:30,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:30,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395289812] [2020-10-27 15:39:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:30,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:30,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:30,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:32,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:34,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-27 15:39:34,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 15:39:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3947 [2020-10-27 15:39:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 15:39:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 15:39:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:34,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:34,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:34,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:34,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:39:34,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:34,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:39:34,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:34,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:39:34,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:34,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 15:39:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:34,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 15:39:34,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:39:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 15:39:34,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 15:39:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:39:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 15:39:34,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395289812] [2020-10-27 15:39:34,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:34,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:39:34,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261307409] [2020-10-27 15:39:34,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:39:34,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:34,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:39:34,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:34,638 INFO L87 Difference]: Start difference. First operand 1877 states and 2554 transitions. Second operand 6 states. [2020-10-27 15:39:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:36,951 INFO L93 Difference]: Finished difference Result 6682 states and 9443 transitions. [2020-10-27 15:39:36,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:39:36,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-10-27 15:39:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:36,989 INFO L225 Difference]: With dead ends: 6682 [2020-10-27 15:39:36,989 INFO L226 Difference]: Without dead ends: 4811 [2020-10-27 15:39:36,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:39:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2020-10-27 15:39:37,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 4799. [2020-10-27 15:39:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4799 states. [2020-10-27 15:39:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 4799 states and 6367 transitions. [2020-10-27 15:39:37,207 INFO L78 Accepts]: Start accepts. Automaton has 4799 states and 6367 transitions. Word has length 161 [2020-10-27 15:39:37,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:37,208 INFO L481 AbstractCegarLoop]: Abstraction has 4799 states and 6367 transitions. [2020-10-27 15:39:37,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:39:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 6367 transitions. [2020-10-27 15:39:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 15:39:37,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:37,225 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:39:37,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:39:37,226 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:37,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:37,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1669320287, now seen corresponding path program 1 times [2020-10-27 15:39:37,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:37,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340250831] [2020-10-27 15:39:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:37,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:37,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:37,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:40,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:42,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:42,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:42,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 15:39:42,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:39:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 15:39:42,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:39:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 15:39:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 15:39:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:42,660 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-27 15:39:42,786 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-10-27 15:39:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:43,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:43,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:43,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:43,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:39:43,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:43,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:43,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:43,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:43,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:39:43,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:39:43,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:43,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:43,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:43,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:39:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:43,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:43,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:43,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 15:39:43,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:43,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:39:43,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:43,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:43,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:43,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 15:39:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:43,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:43,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:43,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 15:39:43,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:43,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 15:39:43,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 15:39:43,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-27 15:39:43,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340250831] [2020-10-27 15:39:43,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:43,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:39:43,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293667138] [2020-10-27 15:39:43,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:39:43,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:43,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:39:43,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:39:43,496 INFO L87 Difference]: Start difference. First operand 4799 states and 6367 transitions. Second operand 12 states. [2020-10-27 15:39:44,169 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 15:39:44,400 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 15:39:44,994 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2020-10-27 15:39:45,521 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2020-10-27 15:39:46,215 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 122 [2020-10-27 15:39:46,646 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-10-27 15:39:47,407 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:39:47,549 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 15:39:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:47,578 INFO L93 Difference]: Finished difference Result 9613 states and 12832 transitions. [2020-10-27 15:39:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:39:47,579 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2020-10-27 15:39:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:47,581 INFO L225 Difference]: With dead ends: 9613 [2020-10-27 15:39:47,581 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:39:47,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:39:47,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:39:47,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:39:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:39:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:39:47,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-10-27 15:39:47,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:47,605 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:39:47,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:39:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:39:47,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:39:47,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:39:47,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:39:48,137 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 26 [2020-10-27 15:39:49,186 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 82 [2020-10-27 15:39:49,577 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 59 [2020-10-27 15:39:49,725 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-27 15:39:49,729 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:39:49,730 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:39:49,730 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:39:49,730 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:39:49,730 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:49,731 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~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)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:39:49,731 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:49,731 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:39:49,731 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:39:49,731 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:39:49,731 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:39:49,731 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:49,732 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:39:49,733 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:39:49,734 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:39:49,735 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:49,736 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,737 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:39:49,738 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,739 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:39:49,740 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,741 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:39:49,742 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:39:49,743 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,744 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:39:49,745 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,746 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:39:49,747 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:39:49,748 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:39:49,749 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:39:49,749 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:39:49,749 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:39:49,749 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:39:49,749 INFO L270 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (and (or (not (= |old(~a25~0)| 1)) (not (= 0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (= 10 |old(~a28~0)|) (not (= 0 |old(~a25~0)|))) [2020-10-27 15:39:49,750 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (= 10 |old(~a28~0)|)) (.cse2 (and .cse3 .cse4 .cse1 .cse5 (= ~a19~0 |old(~a19~0)|)))) (and (or (not (= |old(~a25~0)| 1)) (not .cse0) (and (= ~a19~0 0) .cse1 (= ~a17~0 8) (= ~a25~0 1) (= ~a28~0 10)) (not (= 0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (or .cse2 (not (= 0 |old(~a11~0)|))) (or .cse2 .cse0) (or (not (= |old(~a19~0)| 1)) (and .cse3 .cse4 .cse1 (= ~a19~0 1) .cse5)) (or .cse2 (not (= 0 |old(~a25~0)|)))))) [2020-10-27 15:39:49,750 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:39:49,750 INFO L274 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-10-27 15:39:49,750 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:39:49,750 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:39:49,750 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:39:49,750 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:39:49,751 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:39:49,752 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:39:49,753 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:39:49,754 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,755 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 8) (= ~a11~0 0)) [2020-10-27 15:39:49,756 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:39:49,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:49,756 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (= ~a25~0 0) (not (<= |old(~a28~0)| 8)) (not (= 0 |old(~a11~0)|)) (not (= ~a28~0 10)) (not (= 0 |old(~a25~0)|)) (= ~a11~0 0) (and (= ~a19~0 0) (= ~a21~0 1) (= ~a17~0 8) (= ~a25~0 1) (not (= ~a11~0 1)))) [2020-10-27 15:39:49,757 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 8)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-27 15:39:49,757 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:49,757 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:49,757 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (= ~a25~0 0) (not (<= |old(~a28~0)| 8)) (not (= 0 |old(~a11~0)|)) (not (= ~a28~0 10)) (and (= ~a19~0 0) (= ~a21~0 1) (= ~a17~0 8) (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (= ~a25~0 1) (not (= ~a11~0 1))) (not (= 0 |old(~a25~0)|)) (= ~a11~0 0)) [2020-10-27 15:39:49,757 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:39:49,757 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:39:49,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:39:49 BoogieIcfgContainer [2020-10-27 15:39:49,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:39:49,781 INFO L168 Benchmark]: Toolchain (without parser) took 50644.75 ms. Allocated memory was 151.0 MB in the beginning and 823.1 MB in the end (delta: 672.1 MB). Free memory was 106.4 MB in the beginning and 322.0 MB in the end (delta: -215.6 MB). Peak memory consumption was 457.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:49,781 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:39:49,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.34 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 124.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:49,783 INFO L168 Benchmark]: Boogie Preprocessor took 117.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 119.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:49,783 INFO L168 Benchmark]: RCFGBuilder took 1670.61 ms. Allocated memory is still 151.0 MB. Free memory was 119.4 MB in the beginning and 95.4 MB in the end (delta: 23.9 MB). Peak memory consumption was 71.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:49,784 INFO L168 Benchmark]: TraceAbstraction took 47941.97 ms. Allocated memory was 151.0 MB in the beginning and 823.1 MB in the end (delta: 672.1 MB). Free memory was 94.9 MB in the beginning and 322.0 MB in the end (delta: -227.1 MB). Peak memory consumption was 445.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:49,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 901.34 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 124.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 117.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 119.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1670.61 ms. Allocated memory is still 151.0 MB. Free memory was 119.4 MB in the beginning and 95.4 MB in the end (delta: 23.9 MB). Peak memory consumption was 71.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 47941.97 ms. Allocated memory was 151.0 MB in the beginning and 823.1 MB in the end (delta: 672.1 MB). Free memory was 94.9 MB in the beginning and 322.0 MB in the end (delta: -227.1 MB). Peak memory consumption was 445.0 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: 608]: Loop Invariant Derived loop invariant: (((((((!(\old(a19) == 1) || a19 == 1) || a25 == 0) || !(\old(a28) <= 8)) || !(0 == \old(a11))) || !(a28 == 10)) || !(0 == \old(a25))) || a11 == 0) || ((((a19 == 0 && a21 == 1) && a17 == 8) && a25 == 1) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 3333 SDslu, 333 SDs, 0 SdLazy, 6086 SolverSat, 784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4799occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 82 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 224 PreInvPairs, 298 NumberOfFragments, 512 HoareAnnotationTreeSize, 224 FomulaSimplifications, 78210 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4401 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 1136 NumberOfCodeBlocks, 1136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1500657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 285/297 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...