/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/Problem01_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:35:00,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:35:00,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:35:00,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:35:00,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:35:00,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:35:00,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:35:00,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:35:00,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:35:00,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:35:00,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:35:00,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:35:00,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:35:00,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:35:00,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:35:00,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:35:00,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:35:00,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:35:00,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:35:00,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:35:00,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:35:00,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:35:00,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:35:00,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:35:00,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:35:00,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:35:00,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:35:00,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:35:00,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:35:00,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:35:00,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:35:00,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:35:00,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:35:00,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:35:00,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:35:00,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:35:00,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:35:00,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:35:00,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:35:00,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:35:00,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:35:00,195 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 15:35:00,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:35:00,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:35:00,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:35:00,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:35:00,262 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:35:00,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:35:00,262 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:35:00,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:35:00,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:35:00,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:35:00,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:35:00,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:35:00,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:35:00,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:35:00,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:35:00,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:35:00,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:35:00,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:35:00,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:35:00,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:35:00,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:35:00,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:35:00,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:35:00,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:35:00,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:35:00,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:35:00,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:35:00,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:35:00,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:35:00,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:35:00,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:35:00,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:35:00,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:35:00,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:35:00,747 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:35:00,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2020-10-27 15:35:00,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b34f08ab/3aa27cc361794d459f9df87fb7883709/FLAG15026c588 [2020-10-27 15:35:01,673 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:35:01,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2020-10-27 15:35:01,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b34f08ab/3aa27cc361794d459f9df87fb7883709/FLAG15026c588 [2020-10-27 15:35:01,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b34f08ab/3aa27cc361794d459f9df87fb7883709 [2020-10-27 15:35:01,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:35:01,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:35:01,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:35:01,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:35:01,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:35:01,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:35:01" (1/1) ... [2020-10-27 15:35:01,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ad8976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:01, skipping insertion in model container [2020-10-27 15:35:01,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:35:01" (1/1) ... [2020-10-27 15:35:01,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:35:01,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:35:02,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:35:02,518 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:35:02,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:35:02,718 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:35:02,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02 WrapperNode [2020-10-27 15:35:02,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:35:02,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:35:02,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:35:02,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:35:02,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (1/1) ... [2020-10-27 15:35:02,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:35:02,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:35:02,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:35:02,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:35:02,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (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 15:35:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:35:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:35:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:35:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:35:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:35:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:35:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:35:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:35:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:35:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:35:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:35:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:35:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:35:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:35:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:35:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:35:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:35:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:35:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:35:03,984 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:35:03,984 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:35:03,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:35:03 BoogieIcfgContainer [2020-10-27 15:35:03,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:35:03,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:35:03,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:35:03,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:35:03,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:35:01" (1/3) ... [2020-10-27 15:35:03,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3226ebde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:35:03, skipping insertion in model container [2020-10-27 15:35:03,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:02" (2/3) ... [2020-10-27 15:35:03,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3226ebde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:35:03, skipping insertion in model container [2020-10-27 15:35:03,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:35:03" (3/3) ... [2020-10-27 15:35:04,001 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label55.c [2020-10-27 15:35:04,014 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:35:04,021 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:35:04,035 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:35:04,064 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:35:04,064 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:35:04,065 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:35:04,065 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:35:04,065 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:35:04,065 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:35:04,065 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:35:04,065 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:35:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:35:04,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 15:35:04,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:04,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:04,103 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:04,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1844226135, now seen corresponding path program 1 times [2020-10-27 15:35:04,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:04,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030361913] [2020-10-27 15:35:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:04,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:04,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:06,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 15:35:06,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:35:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1912 [2020-10-27 15:35:06,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:06,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:35:06,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:35:06,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 15:35:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:35:06,595 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:35:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:06,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:06,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:06,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:06,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 15:35:06,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:35:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:06,743 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 15:35:06,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030361913] [2020-10-27 15:35:06,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:35:06,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:35:06,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174545325] [2020-10-27 15:35:06,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:35:06,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:06,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:35:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:35:06,782 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-27 15:35:06,945 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:35:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:08,870 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-27 15:35:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:08,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2020-10-27 15:35:08,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:08,887 INFO L225 Difference]: With dead ends: 562 [2020-10-27 15:35:08,887 INFO L226 Difference]: Without dead ends: 287 [2020-10-27 15:35:08,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-27 15:35:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-27 15:35:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-27 15:35:08,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-27 15:35:08,985 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 118 [2020-10-27 15:35:08,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:08,986 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-27 15:35:08,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:35:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-27 15:35:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 15:35:08,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:08,995 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:08,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:35:08,995 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:08,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1279302474, now seen corresponding path program 1 times [2020-10-27 15:35:08,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:08,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583184096] [2020-10-27 15:35:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:11,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:13,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 15:35:13,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:35:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4145 [2020-10-27 15:35:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:35:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:35:13,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 15:35:13,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:13,840 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-27 15:35:14,086 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-27 15:35:14,387 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-10-27 15:35:14,663 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 46 [2020-10-27 15:35:14,910 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2020-10-27 15:35:15,144 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 38 [2020-10-27 15:35:15,349 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2020-10-27 15:35:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:15,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:15,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:15,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:15,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:15,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:35:15,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:15,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:15,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:35:15,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:35:15,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:35:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:35:15,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583184096] [2020-10-27 15:35:15,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:15,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:35:15,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929728214] [2020-10-27 15:35:15,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:35:15,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:15,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:35:15,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:35:15,813 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 13 states. [2020-10-27 15:35:16,227 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 15:35:16,452 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 15:35:17,081 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-27 15:35:17,713 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2020-10-27 15:35:18,307 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2020-10-27 15:35:19,197 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2020-10-27 15:35:19,337 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-10-27 15:35:20,288 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 128 [2020-10-27 15:35:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:21,030 INFO L93 Difference]: Finished difference Result 639 states and 926 transitions. [2020-10-27 15:35:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 15:35:21,031 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 127 [2020-10-27 15:35:21,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:21,036 INFO L225 Difference]: With dead ends: 639 [2020-10-27 15:35:21,036 INFO L226 Difference]: Without dead ends: 364 [2020-10-27 15:35:21,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-27 15:35:21,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-27 15:35:21,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2020-10-27 15:35:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-27 15:35:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 469 transitions. [2020-10-27 15:35:21,108 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 469 transitions. Word has length 127 [2020-10-27 15:35:21,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:21,110 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 469 transitions. [2020-10-27 15:35:21,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:35:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 469 transitions. [2020-10-27 15:35:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 15:35:21,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:21,120 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:21,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:35:21,121 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:21,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1306460186, now seen corresponding path program 1 times [2020-10-27 15:35:21,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:21,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293256275] [2020-10-27 15:35:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:21,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:21,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 15:35:22,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:35:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-10-27 15:35:22,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:35:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 15:35:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:35:22,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:22,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:22,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:35:22,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:22,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:35:22,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:22,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:35:22,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:22,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:22,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:35:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:35:22,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293256275] [2020-10-27 15:35:22,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:22,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:35:22,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483735707] [2020-10-27 15:35:22,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:35:22,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:22,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:35:22,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:22,909 INFO L87 Difference]: Start difference. First operand 356 states and 469 transitions. Second operand 5 states. [2020-10-27 15:35:23,177 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:35:24,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:24,528 INFO L93 Difference]: Finished difference Result 811 states and 1114 transitions. [2020-10-27 15:35:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:24,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-27 15:35:24,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:24,533 INFO L225 Difference]: With dead ends: 811 [2020-10-27 15:35:24,533 INFO L226 Difference]: Without dead ends: 362 [2020-10-27 15:35:24,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 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 15:35:24,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-10-27 15:35:24,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2020-10-27 15:35:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-27 15:35:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 441 transitions. [2020-10-27 15:35:24,565 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 441 transitions. Word has length 129 [2020-10-27 15:35:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:24,566 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 441 transitions. [2020-10-27 15:35:24,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:35:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 441 transitions. [2020-10-27 15:35:24,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 15:35:24,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:24,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:24,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:35:24,574 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:24,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:24,575 INFO L82 PathProgramCache]: Analyzing trace with hash -950853034, now seen corresponding path program 1 times [2020-10-27 15:35:24,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:24,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53087175] [2020-10-27 15:35:24,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:24,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:24,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:26,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:27,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:28,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:28,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 15:35:28,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:35:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3814 [2020-10-27 15:35:28,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:35:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 15:35:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 15:35:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:29,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:29,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:29,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:29,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:29,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:35:29,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:29,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:29,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 15:35:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:35:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 15:35:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:35:29,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53087175] [2020-10-27 15:35:29,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:29,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:35:29,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058120323] [2020-10-27 15:35:29,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:35:29,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:29,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:35:29,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:35:29,319 INFO L87 Difference]: Start difference. First operand 356 states and 441 transitions. Second operand 13 states. [2020-10-27 15:35:29,805 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 15:35:30,034 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:35:30,774 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-27 15:35:31,669 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2020-10-27 15:35:32,122 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2020-10-27 15:35:32,520 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 117 [2020-10-27 15:35:33,212 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-27 15:35:33,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:33,811 INFO L93 Difference]: Finished difference Result 776 states and 995 transitions. [2020-10-27 15:35:33,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 15:35:33,812 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 137 [2020-10-27 15:35:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:33,815 INFO L225 Difference]: With dead ends: 776 [2020-10-27 15:35:33,815 INFO L226 Difference]: Without dead ends: 409 [2020-10-27 15:35:33,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:35:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-10-27 15:35:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 397. [2020-10-27 15:35:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-27 15:35:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 488 transitions. [2020-10-27 15:35:33,841 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 488 transitions. Word has length 137 [2020-10-27 15:35:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:33,842 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 488 transitions. [2020-10-27 15:35:33,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:35:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 488 transitions. [2020-10-27 15:35:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 15:35:33,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:33,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:33,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:35:33,845 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash 156366368, now seen corresponding path program 1 times [2020-10-27 15:35:33,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:33,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411723309] [2020-10-27 15:35:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:33,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:33,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:34,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:35,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:35,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 15:35:35,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:35:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1601 [2020-10-27 15:35:35,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 15:35:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 15:35:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:35,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:35,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:35,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:35,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:35,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:35,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:35:35,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:35,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:35,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:35,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:35:35,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:35:35,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:35,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:35:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:35,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:35,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:35,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:35:35,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:35,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:35:35,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:35,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:35,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:35,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 15:35:35,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:35:35,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411723309] [2020-10-27 15:35:35,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:35,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:35:35,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065824245] [2020-10-27 15:35:35,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:35:35,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:35,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:35:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:35,720 INFO L87 Difference]: Start difference. First operand 397 states and 488 transitions. Second operand 5 states. [2020-10-27 15:35:35,848 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:35:37,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:37,060 INFO L93 Difference]: Finished difference Result 1070 states and 1359 transitions. [2020-10-27 15:35:37,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:37,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-27 15:35:37,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:37,069 INFO L225 Difference]: With dead ends: 1070 [2020-10-27 15:35:37,069 INFO L226 Difference]: Without dead ends: 679 [2020-10-27 15:35:37,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 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 15:35:37,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-10-27 15:35:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 673. [2020-10-27 15:35:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-10-27 15:35:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 830 transitions. [2020-10-27 15:35:37,102 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 830 transitions. Word has length 139 [2020-10-27 15:35:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:37,102 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 830 transitions. [2020-10-27 15:35:37,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:35:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 830 transitions. [2020-10-27 15:35:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 15:35:37,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:37,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:37,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:35:37,106 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:37,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:37,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1088806870, now seen corresponding path program 1 times [2020-10-27 15:35:37,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:37,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434524089] [2020-10-27 15:35:37,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:37,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:38,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:38,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 15:35:38,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:35:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1217 [2020-10-27 15:35:38,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 15:35:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 15:35:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:38,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:38,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:35:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:38,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:38,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 15:35:38,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 15:35:38,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 15:35:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:35:38,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434524089] [2020-10-27 15:35:38,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:38,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 15:35:38,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235903342] [2020-10-27 15:35:38,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 15:35:38,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:38,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 15:35:38,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:35:38,819 INFO L87 Difference]: Start difference. First operand 673 states and 830 transitions. Second operand 7 states. [2020-10-27 15:35:39,204 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:35:40,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:40,362 INFO L93 Difference]: Finished difference Result 1422 states and 1802 transitions. [2020-10-27 15:35:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:40,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2020-10-27 15:35:40,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:40,369 INFO L225 Difference]: With dead ends: 1422 [2020-10-27 15:35:40,370 INFO L226 Difference]: Without dead ends: 679 [2020-10-27 15:35:40,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:35:40,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-10-27 15:35:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 673. [2020-10-27 15:35:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-10-27 15:35:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 826 transitions. [2020-10-27 15:35:40,413 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 826 transitions. Word has length 143 [2020-10-27 15:35:40,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:40,413 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 826 transitions. [2020-10-27 15:35:40,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 15:35:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 826 transitions. [2020-10-27 15:35:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 15:35:40,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:40,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:40,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:35:40,418 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:40,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:40,420 INFO L82 PathProgramCache]: Analyzing trace with hash 708175035, now seen corresponding path program 1 times [2020-10-27 15:35:40,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:40,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540759689] [2020-10-27 15:35:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:40,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:40,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:44,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 15:35:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:35:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3717 [2020-10-27 15:35:44,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 15:35:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 15:35:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:44,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:44,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:44,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:35:44,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:44,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:44,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:44,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:35:44,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 15:35:44,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:35:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:35:44,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540759689] [2020-10-27 15:35:44,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:44,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:35:44,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344560384] [2020-10-27 15:35:44,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:35:44,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:44,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:35:44,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:44,460 INFO L87 Difference]: Start difference. First operand 673 states and 826 transitions. Second operand 5 states. [2020-10-27 15:35:44,593 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:35:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:45,775 INFO L93 Difference]: Finished difference Result 1894 states and 2390 transitions. [2020-10-27 15:35:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:45,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-27 15:35:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:45,784 INFO L225 Difference]: With dead ends: 1894 [2020-10-27 15:35:45,784 INFO L226 Difference]: Without dead ends: 1227 [2020-10-27 15:35:45,787 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 15:35:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-10-27 15:35:45,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1223. [2020-10-27 15:35:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-27 15:35:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1483 transitions. [2020-10-27 15:35:45,838 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1483 transitions. Word has length 148 [2020-10-27 15:35:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:45,839 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 1483 transitions. [2020-10-27 15:35:45,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:35:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1483 transitions. [2020-10-27 15:35:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 15:35:45,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:45,844 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:45,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:35:45,844 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:45,845 INFO L82 PathProgramCache]: Analyzing trace with hash -840966687, now seen corresponding path program 1 times [2020-10-27 15:35:45,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:45,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203996364] [2020-10-27 15:35:45,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:45,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:45,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:46,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:47,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:48,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:48,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 15:35:48,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:35:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2272 [2020-10-27 15:35:48,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-27 15:35:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 15:35:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:48,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:48,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:48,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:48,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:48,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:48,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:35:48,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:48,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:48,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:48,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:48,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:48,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:35:48,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:48,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:35:48,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:48,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:48,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:35:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:48,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:48,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:35:48,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 15:35:48,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:48,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:48,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 15:35:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:35:48,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203996364] [2020-10-27 15:35:48,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:48,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:35:48,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454957397] [2020-10-27 15:35:48,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:35:48,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:48,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:35:48,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:48,636 INFO L87 Difference]: Start difference. First operand 1223 states and 1483 transitions. Second operand 5 states. [2020-10-27 15:35:49,236 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 15:35:50,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:50,009 INFO L93 Difference]: Finished difference Result 2530 states and 3116 transitions. [2020-10-27 15:35:50,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:50,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-27 15:35:50,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:50,026 INFO L225 Difference]: With dead ends: 2530 [2020-10-27 15:35:50,026 INFO L226 Difference]: Without dead ends: 1227 [2020-10-27 15:35:50,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 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 15:35:50,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-10-27 15:35:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1223. [2020-10-27 15:35:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-27 15:35:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1477 transitions. [2020-10-27 15:35:50,077 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1477 transitions. Word has length 184 [2020-10-27 15:35:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:50,077 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 1477 transitions. [2020-10-27 15:35:50,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:35:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1477 transitions. [2020-10-27 15:35:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-27 15:35:50,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:50,083 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:35:50,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:35:50,083 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:50,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:50,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1600682864, now seen corresponding path program 1 times [2020-10-27 15:35:50,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:50,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104018980] [2020-10-27 15:35:50,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:50,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:50,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:50,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:50,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:55,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:55,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-27 15:35:55,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:35:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 15:35:55,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:55,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:35:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 15:35:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 15:35:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:35:55,739 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-27 15:35:55,965 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-10-27 15:35:56,273 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2020-10-27 15:35:56,617 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2020-10-27 15:35:56,868 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 47 [2020-10-27 15:35:57,104 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 44 [2020-10-27 15:35:57,330 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2020-10-27 15:35:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:57,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:57,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:57,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:57,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:35:57,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:57,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:57,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:57,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:57,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:35:57,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:57,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:35:57,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:57,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:35:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:57,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:57,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:35:57,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:35:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:57,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 15:35:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:35:57,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:35:57,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:57,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 15:35:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:57,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:57,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 15:35:57,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:57,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 15:35:57,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 15:35:57,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 70 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-27 15:35:57,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104018980] [2020-10-27 15:35:57,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:57,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:35:57,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151134872] [2020-10-27 15:35:57,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:35:57,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:57,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:35:57,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:35:57,849 INFO L87 Difference]: Start difference. First operand 1223 states and 1477 transitions. Second operand 13 states. [2020-10-27 15:35:58,606 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-10-27 15:35:58,875 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 15:35:59,133 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 15:35:59,860 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2020-10-27 15:36:00,716 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 143 [2020-10-27 15:36:01,072 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2020-10-27 15:36:01,596 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 140 [2020-10-27 15:36:02,134 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2020-10-27 15:36:02,888 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 132 [2020-10-27 15:36:03,162 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2020-10-27 15:36:03,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:03,263 INFO L93 Difference]: Finished difference Result 2506 states and 3074 transitions. [2020-10-27 15:36:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 15:36:03,263 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-27 15:36:03,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:03,272 INFO L225 Difference]: With dead ends: 2506 [2020-10-27 15:36:03,272 INFO L226 Difference]: Without dead ends: 1289 [2020-10-27 15:36:03,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2020-10-27 15:36:03,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2020-10-27 15:36:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1279. [2020-10-27 15:36:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2020-10-27 15:36:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1545 transitions. [2020-10-27 15:36:03,331 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1545 transitions. Word has length 195 [2020-10-27 15:36:03,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:03,331 INFO L481 AbstractCegarLoop]: Abstraction has 1279 states and 1545 transitions. [2020-10-27 15:36:03,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:36:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1545 transitions. [2020-10-27 15:36:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-27 15:36:03,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:03,337 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-27 15:36:03,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:36:03,338 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:03,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:03,339 INFO L82 PathProgramCache]: Analyzing trace with hash -312581096, now seen corresponding path program 1 times [2020-10-27 15:36:03,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:03,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045739492] [2020-10-27 15:36:03,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:03,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:03,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:08,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 15:36:08,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:36:08,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 15:36:08,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 15:36:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 15:36:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:08,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:08,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:08,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:36:08,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:08,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:08,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:36:08,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:08,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:36:08,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:08,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:08,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:36:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:08,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:08,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:36:08,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:08,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:36:08,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:08,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 15:36:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:08,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:08,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:36:08,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:08,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:08,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 15:36:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:08,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:08,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 15:36:08,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:08,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 15:36:08,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:08,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:08,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:08,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 15:36:08,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-27 15:36:09,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045739492] [2020-10-27 15:36:09,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:09,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:09,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062779303] [2020-10-27 15:36:09,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:09,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:09,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:09,050 INFO L87 Difference]: Start difference. First operand 1279 states and 1545 transitions. Second operand 5 states. [2020-10-27 15:36:09,792 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:36:10,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:10,415 INFO L93 Difference]: Finished difference Result 2634 states and 3233 transitions. [2020-10-27 15:36:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:10,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2020-10-27 15:36:10,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:10,429 INFO L225 Difference]: With dead ends: 2634 [2020-10-27 15:36:10,429 INFO L226 Difference]: Without dead ends: 1283 [2020-10-27 15:36:10,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 1 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 15:36:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2020-10-27 15:36:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1279. [2020-10-27 15:36:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2020-10-27 15:36:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1539 transitions. [2020-10-27 15:36:10,487 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1539 transitions. Word has length 207 [2020-10-27 15:36:10,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:10,487 INFO L481 AbstractCegarLoop]: Abstraction has 1279 states and 1539 transitions. [2020-10-27 15:36:10,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1539 transitions. [2020-10-27 15:36:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-27 15:36:10,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:10,494 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-27 15:36:10,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 15:36:10,494 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:10,495 INFO L82 PathProgramCache]: Analyzing trace with hash -80208844, now seen corresponding path program 1 times [2020-10-27 15:36:10,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:10,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909682803] [2020-10-27 15:36:10,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:10,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:10,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:10,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:11,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-27 15:36:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:36:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 15:36:15,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-27 15:36:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 15:36:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:15,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:36:15,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:36:15,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:36:15,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:36:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:36:15,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:36:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 15:36:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:36:15,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:15,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:15,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 15:36:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 15:36:15,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 15:36:15,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 15:36:15,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 84 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-27 15:36:16,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909682803] [2020-10-27 15:36:16,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:16,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:16,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298248372] [2020-10-27 15:36:16,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:16,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:16,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:16,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:16,161 INFO L87 Difference]: Start difference. First operand 1279 states and 1539 transitions. Second operand 5 states. [2020-10-27 15:36:16,982 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 15:36:17,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:17,551 INFO L93 Difference]: Finished difference Result 2490 states and 3017 transitions. [2020-10-27 15:36:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:17,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-27 15:36:17,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:17,553 INFO L225 Difference]: With dead ends: 2490 [2020-10-27 15:36:17,553 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:36:17,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:36:17,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:36:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:36:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:36:17,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2020-10-27 15:36:17,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:17,560 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:36:17,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:36:17,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:36:17,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 15:36:17,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:36:18,023 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 75 [2020-10-27 15:36:18,181 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-10-27 15:36:20,328 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 281 DAG size of output: 144 [2020-10-27 15:36:20,828 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-27 15:36:21,279 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-10-27 15:36:21,622 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 104 [2020-10-27 15:36:21,627 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:36:21,627 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:36:21,628 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:36:21,630 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:36:21,630 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,631 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,632 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:36:21,632 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:36:21,632 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:36:21,632 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:36:21,632 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,633 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,634 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:36:21,635 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:36:21,636 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,637 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,638 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,638 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:36:21,638 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:36:21,638 INFO L270 CegarLoopResult]: At program point L511(line 511) the Hoare annotation is: (let ((.cse0 (not (<= 4 |old(~a16~0)|))) (.cse1 (not (<= |old(~a16~0)| 4))) (.cse2 (not (<= |old(~a7~0)| 1))) (.cse4 (not (<= |old(~a20~0)| 0))) (.cse3 (not (= ~a12~0 8)))) (and (or (not (< 0 |old(~a7~0)|)) .cse0 (not (< 0 |old(~a17~0)|)) (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| 2)) (not (<= 2 |calculate_output_#in~input|))) (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)))) (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) (not (<= |old(~a8~0)| 13)) .cse1 .cse2 (not (< 12 |old(~a8~0)|)) (not (<= |old(~a17~0)| 1)) .cse3 .cse4) (or .cse0 (not (<= 14 |old(~a8~0)|)) (not (<= |old(~a21~0)| 1)) (not (<= 1 |old(~a21~0)|)) .cse1 .cse2 (not (<= |old(~a8~0)| 14)) (not (<= |old(~a17~0)| 0)) .cse3 .cse4) (not (= |old(~a20~0)| 1)) (or (not (= |old(~a8~0)| 13)) (= |old(~a17~0)| 1) (not (= |old(~a21~0)| 1)) .cse3 (not (= 4 |old(~a16~0)|)) (= |old(~a7~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)))) [2020-10-27 15:36:21,638 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:36:21,638 INFO L274 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-10-27 15:36:21,638 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,639 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:36:21,640 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:36:21,641 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:36:21,642 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,643 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse0 (not (<= 4 |old(~a16~0)|))) (.cse9 (not (<= 14 |old(~a8~0)|))) (.cse10 (not (<= |old(~a21~0)| 1))) (.cse11 (not (<= 1 |old(~a21~0)|))) (.cse4 (<= ~a16~0 4)) (.cse6 (<= 4 ~a16~0)) (.cse7 (<= ~a21~0 1)) (.cse8 (<= 1 ~a21~0)) (.cse12 (not (<= |old(~a16~0)| 4))) (.cse19 (not (<= |old(~a7~0)| 1))) (.cse13 (not (<= |old(~a8~0)| 14))) (.cse14 (not (<= |old(~a17~0)| 0))) (.cse15 (not (= ~a12~0 8))) (.cse16 (not (<= |old(~a20~0)| 0))) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse17 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (not (<= |old(~a7~0)| 0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (or (not (= |old(~a8~0)| 13)) (= |old(~a17~0)| 1) (and .cse1 .cse2 (= ~a21~0 1) .cse3 (= ~a8~0 13) (= ~a16~0 4)) (not (= |old(~a21~0)| 1)) .cse15 (not (= 4 |old(~a16~0)|)) (= |old(~a7~0)| 1)) (or (and .cse1 .cse2 .cse17 .cse3 .cse5 (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) (or (and .cse1 .cse2 .cse17 .cse3 .cse18 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or (and .cse1 .cse2 (< 12 ~a8~0) .cse17 .cse3 .cse4 .cse6 (<= ~a8~0 13)) (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) .cse12 .cse19 (not (<= |old(~a17~0)| 1)) (not (< 0 |old(~a7~0)|)) .cse0 (not (< 0 |old(~a17~0)|)) (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| 2)) (not (<= 2 |calculate_output_#in~input|))) (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(~a8~0)| 13)) (not (< 12 |old(~a8~0)|)) .cse15 .cse16) (or .cse0 .cse9 .cse10 (not (<= 1 |old(~a7~0)|)) .cse11 (and (<= 1 ~a7~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ~a7~0 1)) .cse12 .cse19 .cse13 .cse14 .cse15 .cse16) (or (not (= |old(~a20~0)| 1)) (and .cse1 .cse2 .cse17 .cse3 .cse18 .cse5)))) [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:36:21,644 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:36:21,645 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:36:21,646 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0)) [2020-10-27 15:36:21,647 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:21,647 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|))) [2020-10-27 15:36:21,647 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:36:21,648 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse1 (= ~a12~0 8)) (.cse2 (<= 4 ~a16~0)) (.cse3 (<= ~a7~0 1)) (.cse4 (<= ~a20~0 0))) (or (and (<= 14 ~a8~0) (<= ~a8~0 14) .cse0 .cse1 (<= ~a17~0 0) .cse2 (<= ~a21~0 1) (<= 1 ~a21~0) .cse3 .cse4) (and (= ~a21~0 1) (not (= ~a17~0 1)) .cse1 (= ~a8~0 13) (= ~a16~0 4) (not (= ~a7~0 1))) (and (<= 1 ~a7~0) (<= 13 ~a8~0) (<= 1 ~a17~0) .cse0 .cse1 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (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))) .cse2 (<= ~a17~0 1) .cse3 (or (< 1 ~a21~0) (<= ~a21~0 0)) (<= ~a8~0 13) .cse4) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)))) [2020-10-27 15:36:21,648 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:36:21,648 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:36:21,648 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse1 (= ~a12~0 8)) (.cse2 (<= 4 ~a16~0)) (.cse3 (<= ~a7~0 1)) (.cse4 (<= ~a20~0 0))) (or (and (<= 14 ~a8~0) (<= ~a8~0 14) .cse0 .cse1 (<= ~a17~0 0) .cse2 (<= ~a21~0 1) (<= 1 ~a21~0) .cse3 .cse4) (and (= ~a21~0 1) (not (= ~a17~0 1)) .cse1 (= ~a8~0 13) (= ~a16~0 4) (not (= ~a7~0 1))) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (and (<= 1 ~a7~0) (<= 13 ~a8~0) (<= 1 ~a17~0) .cse0 .cse1 .cse2 (<= ~a17~0 1) .cse3 (or (< 1 ~a21~0) (<= ~a21~0 0)) (<= ~a8~0 13) .cse4))) [2020-10-27 15:36:21,648 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:36:21,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:36:21 BoogieIcfgContainer [2020-10-27 15:36:21,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:36:21,674 INFO L168 Benchmark]: Toolchain (without parser) took 79785.45 ms. Allocated memory was 163.6 MB in the beginning and 714.1 MB in the end (delta: 550.5 MB). Free memory was 137.6 MB in the beginning and 326.8 MB in the end (delta: -189.2 MB). Peak memory consumption was 427.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:21,675 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:36:21,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.43 ms. Allocated memory is still 163.6 MB. Free memory was 137.1 MB in the beginning and 141.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:21,676 INFO L168 Benchmark]: Boogie Preprocessor took 138.81 ms. Allocated memory is still 163.6 MB. Free memory was 141.9 MB in the beginning and 136.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:21,677 INFO L168 Benchmark]: RCFGBuilder took 1128.82 ms. Allocated memory is still 163.6 MB. Free memory was 136.6 MB in the beginning and 126.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:21,678 INFO L168 Benchmark]: TraceAbstraction took 77679.42 ms. Allocated memory was 163.6 MB in the beginning and 714.1 MB in the end (delta: 550.5 MB). Free memory was 126.3 MB in the beginning and 326.8 MB in the end (delta: -200.5 MB). Peak memory consumption was 415.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:21,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 822.43 ms. Allocated memory is still 163.6 MB. Free memory was 137.1 MB in the beginning and 141.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.81 ms. Allocated memory is still 163.6 MB. Free memory was 141.9 MB in the beginning and 136.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1128.82 ms. Allocated memory is still 163.6 MB. Free memory was 136.6 MB in the beginning and 126.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 77679.42 ms. Allocated memory was 163.6 MB in the beginning and 714.1 MB in the end (delta: 550.5 MB). Free memory was 126.3 MB in the beginning and 326.8 MB in the end (delta: -200.5 MB). Peak memory consumption was 415.0 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: 585]: Loop Invariant Derived loop invariant: ((((((((((((((((14 <= a8 && a8 <= 14) && a16 <= 4) && a12 == 8) && a17 <= 0) && 4 <= a16) && a21 <= 1) && 1 <= a21) && a7 <= 1) && a20 <= 0) || (((((a21 == 1 && !(a17 == 1)) && a12 == 8) && a8 == 13) && a16 == 4) && !(a7 == 1))) || !(\old(a20) == 1)) || a8 == 15) || a20 == 1) || 5 == a16) || !(5 == \old(a16))) || !(15 == \old(a8))) || ((((((((((1 <= a7 && 13 <= a8) && 1 <= a17) && a16 <= 4) && a12 == 8) && 4 <= a16) && a17 <= 1) && a7 <= 1) && (1 < a21 || a21 <= 0)) && a8 <= 13) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73.5s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 27.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 3025 SDslu, 339 SDs, 0 SdLazy, 7605 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 87 SyntacticMatches, 8 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1279occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 66 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 183 PreInvPairs, 215 NumberOfFragments, 965 HoareAnnotationTreeSize, 183 FomulaSimplifications, 393329 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2373 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 43.4s InterpolantComputationTime, 1736 NumberOfCodeBlocks, 1736 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1725 ConstructedInterpolants, 0 QuantifiedInterpolants, 3952800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 593/614 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...