/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:37:31,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:37:31,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:37:31,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:37:31,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:37:31,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:37:31,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:37:31,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:37:31,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:37:31,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:37:31,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:37:31,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:37:31,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:37:31,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:37:31,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:37:31,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:37:31,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:37:31,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:37:31,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:37:31,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:37:31,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:37:31,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:37:31,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:37:31,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:37:31,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:37:31,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:37:31,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:37:31,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:37:31,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:37:31,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:37:31,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:37:31,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:37:31,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:37:31,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:37:31,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:37:31,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:37:31,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:37:31,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:37:31,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:37:31,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:37:31,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:37:31,750 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 15:37:31,804 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:37:31,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:37:31,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:37:31,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:37:31,809 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:37:31,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:37:31,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:37:31,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:37:31,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:37:31,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:37:31,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:37:31,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:37:31,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:37:31,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:37:31,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:37:31,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:37:31,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:37:31,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:37:31,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:37:31,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:37:31,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:37:31,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:37:31,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:37:31,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:37:31,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:37:31,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:37:31,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:37:31,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:37:31,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:37:31,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:37:32,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:37:32,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:37:32,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:37:32,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:37:32,237 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:37:32,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-10-27 15:37:32,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9138d9d51/123418ae602f4e4aa1a8b72bc6e3e4bc/FLAG197847e47 [2020-10-27 15:37:33,050 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:37:33,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-10-27 15:37:33,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9138d9d51/123418ae602f4e4aa1a8b72bc6e3e4bc/FLAG197847e47 [2020-10-27 15:37:33,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9138d9d51/123418ae602f4e4aa1a8b72bc6e3e4bc [2020-10-27 15:37:33,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:37:33,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:37:33,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:37:33,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:37:33,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:37:33,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:37:33" (1/1) ... [2020-10-27 15:37:33,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a72641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:33, skipping insertion in model container [2020-10-27 15:37:33,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:37:33" (1/1) ... [2020-10-27 15:37:33,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:37:33,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:37:33,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:37:33,827 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:37:33,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:37:34,041 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:37:34,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34 WrapperNode [2020-10-27 15:37:34,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:37:34,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:37:34,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:37:34,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:37:34,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (1/1) ... [2020-10-27 15:37:34,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:37:34,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:37:34,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:37:34,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:37:34,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (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 15:37:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:37:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:37:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:37:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:37:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:37:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:37:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:37:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:37:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:37:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:37:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:37:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:37:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:37:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:37:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:37:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:37:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:37:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:37:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:37:35,925 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:37:35,926 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:37:35,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:37:35 BoogieIcfgContainer [2020-10-27 15:37:35,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:37:35,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:37:35,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:37:35,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:37:35,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:37:33" (1/3) ... [2020-10-27 15:37:35,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466abc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:37:35, skipping insertion in model container [2020-10-27 15:37:35,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:34" (2/3) ... [2020-10-27 15:37:35,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466abc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:37:35, skipping insertion in model container [2020-10-27 15:37:35,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:37:35" (3/3) ... [2020-10-27 15:37:35,937 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-10-27 15:37:35,949 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:37:35,955 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:37:35,971 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:37:36,000 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:37:36,001 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:37:36,001 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:37:36,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:37:36,001 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:37:36,001 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:37:36,001 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:37:36,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:37:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:37:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 15:37:36,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:36,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:36,046 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1980323883, now seen corresponding path program 1 times [2020-10-27 15:37:36,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:36,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763727876] [2020-10-27 15:37:36,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:36,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:38,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:38,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 15:37:38,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:37:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1818 [2020-10-27 15:37:38,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:38,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:37:38,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:37:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:37:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:37:39,076 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-27 15:37:39,270 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2020-10-27 15:37:39,437 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-10-27 15:37:39,740 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:37:39,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:39,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:39,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:39,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:39,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:39,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 15:37:39,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:39,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:39,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:39,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:37:39,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:39,951 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 15:37:39,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763727876] [2020-10-27 15:37:39,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:37:39,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:37:39,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299442897] [2020-10-27 15:37:39,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:37:39,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:39,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:37:39,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:37:39,980 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:37:40,178 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:37:40,358 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:37:40,567 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:37:40,794 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:37:41,237 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2020-10-27 15:37:41,721 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-27 15:37:42,556 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2020-10-27 15:37:43,228 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 106 [2020-10-27 15:37:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:44,529 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:37:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:37:44,531 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2020-10-27 15:37:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:44,543 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:37:44,543 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:37:44,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:37:44,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:37:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:37:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:37:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:37:44,619 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 148 [2020-10-27 15:37:44,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:44,619 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:37:44,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:37:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:37:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 15:37:44,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:44,625 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, 1, 1, 1, 1, 1, 1, 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 15:37:44,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:37:44,626 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:44,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:44,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1886161524, now seen corresponding path program 1 times [2020-10-27 15:37:44,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:44,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922060403] [2020-10-27 15:37:44,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:44,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 15:37:46,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1754 [2020-10-27 15:37:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:37:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 15:37:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:46,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:46,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:46,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:46,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:37:46,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:46,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:46,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:46,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:46,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:46,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:37:46,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:46,746 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 15:37:46,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922060403] [2020-10-27 15:37:46,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:46,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:46,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425375626] [2020-10-27 15:37:46,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:46,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:46,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:46,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:46,755 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 5 states. [2020-10-27 15:37:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:48,401 INFO L93 Difference]: Finished difference Result 616 states and 883 transitions. [2020-10-27 15:37:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:48,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-27 15:37:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:48,408 INFO L225 Difference]: With dead ends: 616 [2020-10-27 15:37:48,408 INFO L226 Difference]: Without dead ends: 388 [2020-10-27 15:37:48,410 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 15:37:48,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-27 15:37:48,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2020-10-27 15:37:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-27 15:37:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 492 transitions. [2020-10-27 15:37:48,457 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 492 transitions. Word has length 157 [2020-10-27 15:37:48,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:48,458 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 492 transitions. [2020-10-27 15:37:48,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 492 transitions. [2020-10-27 15:37:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 15:37:48,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:48,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:48,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:37:48,465 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:48,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:48,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1782177708, now seen corresponding path program 1 times [2020-10-27 15:37:48,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:48,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065662313] [2020-10-27 15:37:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:48,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:48,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:50,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:50,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1554 [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 15:37:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:50,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:50,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:50,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:50,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:37:50,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:50,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:50,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:50,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:50,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:50,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:37:50,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 15:37:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:37:50,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065662313] [2020-10-27 15:37:50,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:50,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:50,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045428361] [2020-10-27 15:37:50,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:50,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:50,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:50,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:50,355 INFO L87 Difference]: Start difference. First operand 383 states and 492 transitions. Second operand 5 states. [2020-10-27 15:37:52,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:52,045 INFO L93 Difference]: Finished difference Result 912 states and 1222 transitions. [2020-10-27 15:37:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:52,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-10-27 15:37:52,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:52,052 INFO L225 Difference]: With dead ends: 912 [2020-10-27 15:37:52,052 INFO L226 Difference]: Without dead ends: 535 [2020-10-27 15:37:52,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:52,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-10-27 15:37:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 530. [2020-10-27 15:37:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-27 15:37:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 660 transitions. [2020-10-27 15:37:52,103 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 660 transitions. Word has length 161 [2020-10-27 15:37:52,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:52,104 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 660 transitions. [2020-10-27 15:37:52,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 660 transitions. [2020-10-27 15:37:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 15:37:52,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:52,109 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:52,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:37:52,109 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:52,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:52,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1479933998, now seen corresponding path program 1 times [2020-10-27 15:37:52,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:52,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722518553] [2020-10-27 15:37:52,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:52,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:52,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:52,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:55,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:55,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 15:37:57,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 15:37:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 15:37:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 15:37:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-27 15:37:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:37:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:37:57,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:37:57,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:57,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:37:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 15:37:57,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 15:37:57,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 15:37:57,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:37:57,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722518553] [2020-10-27 15:37:57,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:57,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:57,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674538946] [2020-10-27 15:37:57,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:57,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:57,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:57,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:57,476 INFO L87 Difference]: Start difference. First operand 530 states and 660 transitions. Second operand 5 states. [2020-10-27 15:37:59,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:59,195 INFO L93 Difference]: Finished difference Result 1205 states and 1562 transitions. [2020-10-27 15:37:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:59,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 177 [2020-10-27 15:37:59,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:59,205 INFO L225 Difference]: With dead ends: 1205 [2020-10-27 15:37:59,206 INFO L226 Difference]: Without dead ends: 681 [2020-10-27 15:37:59,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:59,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2020-10-27 15:37:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 677. [2020-10-27 15:37:59,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-10-27 15:37:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 849 transitions. [2020-10-27 15:37:59,263 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 849 transitions. Word has length 177 [2020-10-27 15:37:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:59,266 INFO L481 AbstractCegarLoop]: Abstraction has 677 states and 849 transitions. [2020-10-27 15:37:59,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 849 transitions. [2020-10-27 15:37:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-27 15:37:59,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:59,272 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:59,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:37:59,273 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:59,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:59,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1665680626, now seen corresponding path program 1 times [2020-10-27 15:37:59,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:59,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249812939] [2020-10-27 15:37:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:01,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:01,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 15:38:01,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:01,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2051 [2020-10-27 15:38:01,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:38:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 15:38:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 15:38:01,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:01,884 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-27 15:38:02,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:02,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:02,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:02,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 15:38:02,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 15:38:02,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 15:38:02,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 15:38:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:38:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:02,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249812939] [2020-10-27 15:38:02,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:02,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:38:02,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430002783] [2020-10-27 15:38:02,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:38:02,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:02,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:38:02,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:38:02,622 INFO L87 Difference]: Start difference. First operand 677 states and 849 transitions. Second operand 12 states. [2020-10-27 15:38:03,068 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 15:38:03,286 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 15:38:03,498 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 15:38:03,837 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 15:38:04,447 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 15:38:05,145 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 15:38:05,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:05,419 INFO L93 Difference]: Finished difference Result 1439 states and 1877 transitions. [2020-10-27 15:38:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 15:38:05,420 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2020-10-27 15:38:05,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:05,425 INFO L225 Difference]: With dead ends: 1439 [2020-10-27 15:38:05,425 INFO L226 Difference]: Without dead ends: 768 [2020-10-27 15:38:05,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-27 15:38:05,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-10-27 15:38:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 763. [2020-10-27 15:38:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-10-27 15:38:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 943 transitions. [2020-10-27 15:38:05,471 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 943 transitions. Word has length 182 [2020-10-27 15:38:05,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:05,472 INFO L481 AbstractCegarLoop]: Abstraction has 763 states and 943 transitions. [2020-10-27 15:38:05,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:38:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 943 transitions. [2020-10-27 15:38:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-27 15:38:05,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:05,476 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:05,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:38:05,476 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:05,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1248027898, now seen corresponding path program 1 times [2020-10-27 15:38:05,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:05,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879671037] [2020-10-27 15:38:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:05,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:05,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:07,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:07,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 15:38:10,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:38:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 15:38:10,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 15:38:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 15:38:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:10,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:10,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:10,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:10,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:38:10,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:10,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:10,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:10,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:10,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:10,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 15:38:10,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:10,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 15:38:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:10,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:38:10,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:10,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:38:10,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 15:38:10,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879671037] [2020-10-27 15:38:10,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:10,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:10,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775454555] [2020-10-27 15:38:10,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:10,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:10,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:10,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:10,842 INFO L87 Difference]: Start difference. First operand 763 states and 943 transitions. Second operand 5 states. [2020-10-27 15:38:12,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:12,379 INFO L93 Difference]: Finished difference Result 2108 states and 2675 transitions. [2020-10-27 15:38:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:12,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2020-10-27 15:38:12,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:12,390 INFO L225 Difference]: With dead ends: 2108 [2020-10-27 15:38:12,390 INFO L226 Difference]: Without dead ends: 1193 [2020-10-27 15:38:12,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:12,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2020-10-27 15:38:12,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1190. [2020-10-27 15:38:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-10-27 15:38:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1429 transitions. [2020-10-27 15:38:12,443 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1429 transitions. Word has length 185 [2020-10-27 15:38:12,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:12,443 INFO L481 AbstractCegarLoop]: Abstraction has 1190 states and 1429 transitions. [2020-10-27 15:38:12,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1429 transitions. [2020-10-27 15:38:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-27 15:38:12,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:12,452 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 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 15:38:12,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:38:12,453 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:12,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:12,453 INFO L82 PathProgramCache]: Analyzing trace with hash 874809921, now seen corresponding path program 1 times [2020-10-27 15:38:12,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:12,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704703671] [2020-10-27 15:38:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:12,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:12,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:12,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 15:38:17,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:38:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4747 [2020-10-27 15:38:17,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 15:38:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 15:38:17,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:17,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:17,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:38:17,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:17,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:17,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:17,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:17,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:17,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:17,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:38:17,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:38:17,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:38:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 15:38:17,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 15:38:17,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 15:38:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-27 15:38:17,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704703671] [2020-10-27 15:38:17,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:17,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:17,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181213373] [2020-10-27 15:38:17,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:17,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:17,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:17,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:17,549 INFO L87 Difference]: Start difference. First operand 1190 states and 1429 transitions. Second operand 5 states. [2020-10-27 15:38:19,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:19,051 INFO L93 Difference]: Finished difference Result 3252 states and 4007 transitions. [2020-10-27 15:38:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:19,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-10-27 15:38:19,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:19,065 INFO L225 Difference]: With dead ends: 3252 [2020-10-27 15:38:19,065 INFO L226 Difference]: Without dead ends: 1775 [2020-10-27 15:38:19,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:19,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2020-10-27 15:38:19,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1484. [2020-10-27 15:38:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-10-27 15:38:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1774 transitions. [2020-10-27 15:38:19,149 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1774 transitions. Word has length 222 [2020-10-27 15:38:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:19,149 INFO L481 AbstractCegarLoop]: Abstraction has 1484 states and 1774 transitions. [2020-10-27 15:38:19,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1774 transitions. [2020-10-27 15:38:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-27 15:38:19,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:19,158 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:38:19,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:38:19,158 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:19,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:19,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1510877748, now seen corresponding path program 1 times [2020-10-27 15:38:19,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:19,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792404446] [2020-10-27 15:38:19,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:19,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:22,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:23,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-27 15:38:24,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 15:38:24,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 15:38:24,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 15:38:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-27 15:38:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:38:24,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:24,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:24,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:24,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:38:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:38:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:38:24,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 15:38:24,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 15:38:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-27 15:38:24,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792404446] [2020-10-27 15:38:24,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:24,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:24,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736362960] [2020-10-27 15:38:24,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:24,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:24,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:24,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:24,701 INFO L87 Difference]: Start difference. First operand 1484 states and 1774 transitions. Second operand 5 states. [2020-10-27 15:38:26,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:26,323 INFO L93 Difference]: Finished difference Result 3853 states and 4708 transitions. [2020-10-27 15:38:26,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:26,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2020-10-27 15:38:26,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:26,339 INFO L225 Difference]: With dead ends: 3853 [2020-10-27 15:38:26,339 INFO L226 Difference]: Without dead ends: 2375 [2020-10-27 15:38:26,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 15:38:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2020-10-27 15:38:26,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2365. [2020-10-27 15:38:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2365 states. [2020-10-27 15:38:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 2835 transitions. [2020-10-27 15:38:26,419 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 2835 transitions. Word has length 247 [2020-10-27 15:38:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:26,419 INFO L481 AbstractCegarLoop]: Abstraction has 2365 states and 2835 transitions. [2020-10-27 15:38:26,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2835 transitions. [2020-10-27 15:38:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-27 15:38:26,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:26,430 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:26,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:38:26,431 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:26,431 INFO L82 PathProgramCache]: Analyzing trace with hash -736486159, now seen corresponding path program 1 times [2020-10-27 15:38:26,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:26,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202839352] [2020-10-27 15:38:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:26,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:31,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:31,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-27 15:38:31,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 15:38:31,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 15:38:31,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-27 15:38:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:38:31,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:31,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:31,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:31,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:31,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:31,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:31,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:31,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:31,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:31,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:38:31,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:38:31,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:38:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:31,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:31,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 15:38:31,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 15:38:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:31,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:31,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 15:38:31,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 15:38:31,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 15:38:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:38:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-27 15:38:31,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202839352] [2020-10-27 15:38:31,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:38:31,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 15:38:31,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5111148] [2020-10-27 15:38:31,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:31,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:31,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:31,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:31,808 INFO L87 Difference]: Start difference. First operand 2365 states and 2835 transitions. Second operand 5 states. [2020-10-27 15:38:33,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:33,271 INFO L93 Difference]: Finished difference Result 5449 states and 6492 transitions. [2020-10-27 15:38:33,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:33,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2020-10-27 15:38:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:33,280 INFO L225 Difference]: With dead ends: 5449 [2020-10-27 15:38:33,280 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:38:33,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:33,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:38:33,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:38:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:38:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:38:33,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 282 [2020-10-27 15:38:33,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:33,293 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:38:33,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:38:33,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:38:33,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:38:33,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:38:33,982 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 26 [2020-10-27 15:38:34,160 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 26 [2020-10-27 15:38:34,410 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2020-10-27 15:38:35,686 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 210 DAG size of output: 55 [2020-10-27 15:38:35,937 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-27 15:38:36,105 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-27 15:38:36,282 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 33 [2020-10-27 15:38:36,286 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:38:36,287 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:38:36,287 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:38:36,287 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:38:36,287 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:36,287 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:36,288 INFO L270 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (not (= 10 |old(~a28~0)|))) (.cse4 (not (<= |old(~a28~0)| 8))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse1 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse4) (or .cse0 .cse3) (or .cse4 .cse1) (or .cse2 .cse4) (or .cse2 .cse3) (or .cse2 (not (= 11 |old(~a28~0)|))) (or .cse3 .cse1) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:38:36,288 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:38:36,289 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:38:36,289 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:36,289 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:38:36,289 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,291 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:38:36,292 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:36,293 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:38:36,294 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,294 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:38:36,295 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:36,296 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:38:36,297 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,297 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,297 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,297 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,297 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,298 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:36,298 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:38:36,298 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:36,298 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:38:36,298 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:38:36,298 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:38:36,299 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:38:36,300 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:38:36,301 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:38:36,302 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:38:36,302 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:38:36,302 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:38:36,302 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:38:36,302 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,302 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,303 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:38:36,304 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,305 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,306 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:38:36,307 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= ~a28~0 10)) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= ~a19~0 1)) (.cse2 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (not (= |old(~a19~0)| 1))) (.cse13 (and .cse0 .cse1 .cse5 .cse6 .cse2)) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse8 (not (= 10 |old(~a28~0)|))) (.cse14 (and .cse1 .cse5 .cse2 .cse3 .cse7)) (.cse10 (and .cse0 .cse1 .cse5 .cse2 .cse3)) (.cse12 (not (<= |old(~a28~0)| 8))) (.cse11 (not (= |old(~a11~0)| 1)))) (and (or (and .cse0 (= ~a25~0 ~a11~0) .cse1 .cse2 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse4 (not (= 11 |old(~a28~0)|)) (and .cse1 .cse5 .cse6 .cse2 (= ~a28~0 11))) (or (and .cse1 .cse5 .cse6 .cse2 .cse7) .cse8 .cse4) (or .cse9 .cse10 .cse11) (or .cse9 .cse10 .cse12) (or .cse4 .cse12 .cse13) (or .cse4 .cse9 .cse13) (or .cse8 .cse14 .cse9) (or .cse8 .cse14 .cse11) (or .cse10 .cse12 .cse11)))) [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:38:36,308 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:38:36,309 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,310 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:36,311 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:38:36,312 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:36,313 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-27 15:38:36,313 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:38:36,313 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:36,313 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 8)) (.cse4 (= ~a28~0 10)) (.cse0 (= ~a19~0 1)) (.cse2 (<= 8 ~a17~0)) (.cse3 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse1 .cse3) (= ~a25~0 ~a11~0) (and .cse2 .cse4) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a28~0 11)) (not (= ~a21~0 1)) (and .cse0 .cse4) (and .cse0 .cse2) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:38:36,313 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:38:36,313 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:36,313 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:36,314 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 8)) (.cse4 (= ~a28~0 10)) (.cse0 (= ~a19~0 1)) (.cse2 (<= 8 ~a17~0)) (.cse3 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse1 .cse3) (= ~a25~0 ~a11~0) (and .cse2 .cse4) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a28~0 11)) (not (= ~a21~0 1)) (and .cse0 .cse4) (and .cse0 .cse2) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:38:36,314 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:38:36,314 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:38:36,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:38:36 BoogieIcfgContainer [2020-10-27 15:38:36,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:38:36,343 INFO L168 Benchmark]: Toolchain (without parser) took 63062.41 ms. Allocated memory was 151.0 MB in the beginning and 873.5 MB in the end (delta: 722.5 MB). Free memory was 124.4 MB in the beginning and 507.0 MB in the end (delta: -382.7 MB). Peak memory consumption was 520.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:36,344 INFO L168 Benchmark]: CDTParser took 3.23 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 114.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:38:36,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.66 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 130.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:36,345 INFO L168 Benchmark]: Boogie Preprocessor took 110.48 ms. Allocated memory is still 151.0 MB. Free memory was 130.9 MB in the beginning and 126.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:36,346 INFO L168 Benchmark]: RCFGBuilder took 1767.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 105.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:36,347 INFO L168 Benchmark]: TraceAbstraction took 60411.39 ms. Allocated memory was 151.0 MB in the beginning and 873.5 MB in the end (delta: 722.5 MB). Free memory was 104.8 MB in the beginning and 507.0 MB in the end (delta: -402.3 MB). Peak memory consumption was 500.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:36,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.23 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 114.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 752.66 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 130.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.48 ms. Allocated memory is still 151.0 MB. Free memory was 130.9 MB in the beginning and 126.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1767.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 105.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 60411.39 ms. Allocated memory was 151.0 MB in the beginning and 873.5 MB in the end (delta: 722.5 MB). Free memory was 104.8 MB in the beginning and 507.0 MB in the end (delta: -402.3 MB). Peak memory consumption was 500.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((((a19 == 1 && a28 <= 8) || (8 <= a17 && a28 <= 8)) || (a28 <= 8 && a11 == 1)) || a25 == a11) || (8 <= a17 && a28 == 10)) || !(\old(a19) == 1)) || !(8 == \old(a17))) || (a11 == 1 && a28 == 10)) || !(0 == \old(a11))) || (a19 == 1 && a28 == 11)) || !(a21 == 1)) || (a19 == 1 && a28 == 10)) || (a19 == 1 && 8 <= a17)) || !(7 == \old(a28))) || (8 <= a17 && a11 == 1)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.2s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 3001 SDslu, 358 SDs, 0 SdLazy, 6723 SolverSat, 736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2365occurred in iteration=8, 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, 9 MinimizatonAttempts, 326 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 183 PreInvPairs, 235 NumberOfFragments, 659 HoareAnnotationTreeSize, 183 FomulaSimplifications, 113890 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3054 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 1761 NumberOfCodeBlocks, 1761 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1752 ConstructedInterpolants, 0 QuantifiedInterpolants, 1739087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 608/622 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...