/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:40:50,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:40:50,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:40:50,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:40:50,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:40:50,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:40:50,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:40:50,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:40:50,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:40:50,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:40:50,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:40:50,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:40:50,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:40:50,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:40:50,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:40:50,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:40:50,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:40:50,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:40:50,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:40:50,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:40:50,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:40:50,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:40:50,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:40:50,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:40:50,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:40:50,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:40:50,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:40:50,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:40:50,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:40:50,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:40:50,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:40:50,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:40:50,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:40:50,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:40:50,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:40:50,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:40:50,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:40:50,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:40:50,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:40:50,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:40:50,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:40:50,497 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 [2020-10-29 06:40:50,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:40:50,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:40:50,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:40:50,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:40:50,560 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:40:50,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:40:50,561 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:40:50,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:40:50,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:40:50,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:40:50,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:40:50,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:40:50,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:40:50,566 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:40:50,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:40:50,566 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:40:50,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:40:50,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:40:50,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:40:50,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:40:50,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:40:50,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:40:50,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:40:50,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:40:50,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:40:50,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:40:50,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:40:50,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:40:50,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:40:50,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:40:50,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:40:51,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:40:51,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:40:51,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:40:51,028 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:40:51,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-29 06:40:51,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c263d342/e2247960c4884b078acde4c6a91ed808/FLAG17584c323 [2020-10-29 06:40:51,916 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:40:51,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-29 06:40:51,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c263d342/e2247960c4884b078acde4c6a91ed808/FLAG17584c323 [2020-10-29 06:40:52,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c263d342/e2247960c4884b078acde4c6a91ed808 [2020-10-29 06:40:52,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:40:52,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:40:52,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:52,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:40:52,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:40:52,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:52" (1/1) ... [2020-10-29 06:40:52,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea8f0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:52, skipping insertion in model container [2020-10-29 06:40:52,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:52" (1/1) ... [2020-10-29 06:40:52,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:40:52,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:40:52,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:52,893 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:40:53,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:53,130 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:40:53,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53 WrapperNode [2020-10-29 06:40:53,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:53,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:40:53,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:40:53,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:40:53,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (1/1) ... [2020-10-29 06:40:53,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:40:53,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:40:53,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:40:53,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:40:53,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (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 [2020-10-29 06:40:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:40:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:40:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:40:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:40:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:40:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:40:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:40:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:40:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:40:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:40:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:40:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:40:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:40:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:40:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:40:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:40:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:40:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:40:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:40:54,933 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:40:54,933 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:40:54,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:54 BoogieIcfgContainer [2020-10-29 06:40:54,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:40:54,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:40:54,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:40:54,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:40:54,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:40:52" (1/3) ... [2020-10-29 06:40:54,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1501a3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:54, skipping insertion in model container [2020-10-29 06:40:54,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:53" (2/3) ... [2020-10-29 06:40:54,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1501a3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:54, skipping insertion in model container [2020-10-29 06:40:54,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:54" (3/3) ... [2020-10-29 06:40:54,945 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-10-29 06:40:54,957 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:40:54,963 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:40:54,976 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:40:55,006 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:40:55,007 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:40:55,007 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:40:55,007 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:40:55,007 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:40:55,007 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:40:55,007 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:40:55,007 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:40:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:40:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 06:40:55,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:55,040 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] [2020-10-29 06:40:55,041 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:55,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:55,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1695836620, now seen corresponding path program 1 times [2020-10-29 06:40:55,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:55,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850444817] [2020-10-29 06:40:55,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:55,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:55,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:55,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 06:40:55,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-29 06:40:55,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:55,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:40:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 06:40:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:40:56,025 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-29 06:40:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:56,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:56,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:56,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:56,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 06:40:56,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:56,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:40:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:40:56,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850444817] [2020-10-29 06:40:56,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:40:56,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:40:56,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079168460] [2020-10-29 06:40:56,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:40:56,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:56,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:40:56,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:40:56,130 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-29 06:40:58,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:58,256 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-29 06:40:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:58,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-29 06:40:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:58,285 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:40:58,285 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:40:58,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:58,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:40:58,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-29 06:40:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-29 06:40:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-29 06:40:58,397 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 42 [2020-10-29 06:40:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:58,398 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-29 06:40:58,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:40:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-29 06:40:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 06:40:58,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:58,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:58,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:40:58,405 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:58,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:58,406 INFO L82 PathProgramCache]: Analyzing trace with hash 292379348, now seen corresponding path program 1 times [2020-10-29 06:40:58,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:58,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411036621] [2020-10-29 06:40:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:58,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:58,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:59,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:40:59,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1211 [2020-10-29 06:40:59,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:59,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:40:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:40:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:40:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:59,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:59,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:59,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:59,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 06:40:59,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:59,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:40:59,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:59,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:00,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:00,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:41:00,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:00,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 06:41:00,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:00,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:00,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:00,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:41:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:41:00,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411036621] [2020-10-29 06:41:00,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:00,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:00,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352874198] [2020-10-29 06:41:00,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:41:00,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:41:00,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:00,137 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 6 states. [2020-10-29 06:41:01,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:01,790 INFO L93 Difference]: Finished difference Result 900 states and 1321 transitions. [2020-10-29 06:41:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:01,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2020-10-29 06:41:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:01,799 INFO L225 Difference]: With dead ends: 900 [2020-10-29 06:41:01,799 INFO L226 Difference]: Without dead ends: 609 [2020-10-29 06:41:01,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:01,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2020-10-29 06:41:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 595. [2020-10-29 06:41:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-29 06:41:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 765 transitions. [2020-10-29 06:41:01,858 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 765 transitions. Word has length 114 [2020-10-29 06:41:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:01,859 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 765 transitions. [2020-10-29 06:41:01,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:41:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 765 transitions. [2020-10-29 06:41:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 06:41:01,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:01,863 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:01,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:41:01,863 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:01,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:01,864 INFO L82 PathProgramCache]: Analyzing trace with hash -2048344808, now seen corresponding path program 1 times [2020-10-29 06:41:01,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:01,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655745306] [2020-10-29 06:41:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:02,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:02,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 06:41:02,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-29 06:41:02,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:02,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 06:41:02,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:02,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:02,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:02,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:02,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:02,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:02,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:02,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:02,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:02,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:02,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:02,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:02,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:02,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 06:41:02,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:02,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:02,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:02,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655745306] [2020-10-29 06:41:02,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:02,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:02,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262406721] [2020-10-29 06:41:02,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:02,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:02,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:02,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:02,682 INFO L87 Difference]: Start difference. First operand 595 states and 765 transitions. Second operand 5 states. [2020-10-29 06:41:04,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:04,452 INFO L93 Difference]: Finished difference Result 1629 states and 2156 transitions. [2020-10-29 06:41:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:04,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-10-29 06:41:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:04,460 INFO L225 Difference]: With dead ends: 1629 [2020-10-29 06:41:04,460 INFO L226 Difference]: Without dead ends: 1040 [2020-10-29 06:41:04,462 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 [2020-10-29 06:41:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-10-29 06:41:04,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1034. [2020-10-29 06:41:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-10-29 06:41:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1294 transitions. [2020-10-29 06:41:04,514 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1294 transitions. Word has length 121 [2020-10-29 06:41:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:04,515 INFO L481 AbstractCegarLoop]: Abstraction has 1034 states and 1294 transitions. [2020-10-29 06:41:04,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1294 transitions. [2020-10-29 06:41:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-29 06:41:04,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:04,522 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:04,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:41:04,523 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:04,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:04,523 INFO L82 PathProgramCache]: Analyzing trace with hash 252272120, now seen corresponding path program 1 times [2020-10-29 06:41:04,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:04,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670663911] [2020-10-29 06:41:04,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:04,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:04,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:05,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 06:41:05,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-10-29 06:41:05,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:05,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 06:41:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:05,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:05,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:05,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:05,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:05,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:05,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:05,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:05,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:05,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:05,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:05,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:41:05,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:05,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:05,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:05,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:05,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:41:05,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:05,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 06:41:05,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:05,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:05,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:05,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:41:05,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 99 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:41:06,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670663911] [2020-10-29 06:41:06,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:06,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:41:06,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748341204] [2020-10-29 06:41:06,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:41:06,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:06,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:41:06,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:06,099 INFO L87 Difference]: Start difference. First operand 1034 states and 1294 transitions. Second operand 6 states. [2020-10-29 06:41:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:07,738 INFO L93 Difference]: Finished difference Result 2660 states and 3466 transitions. [2020-10-29 06:41:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:07,739 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2020-10-29 06:41:07,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:07,750 INFO L225 Difference]: With dead ends: 2660 [2020-10-29 06:41:07,750 INFO L226 Difference]: Without dead ends: 1632 [2020-10-29 06:41:07,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:07,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2020-10-29 06:41:07,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1622. [2020-10-29 06:41:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1622 states. [2020-10-29 06:41:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2027 transitions. [2020-10-29 06:41:07,827 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2027 transitions. Word has length 184 [2020-10-29 06:41:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:07,828 INFO L481 AbstractCegarLoop]: Abstraction has 1622 states and 2027 transitions. [2020-10-29 06:41:07,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:41:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2027 transitions. [2020-10-29 06:41:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 06:41:07,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:07,833 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:07,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:41:07,833 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:07,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:07,834 INFO L82 PathProgramCache]: Analyzing trace with hash -311786396, now seen corresponding path program 1 times [2020-10-29 06:41:07,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:07,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284431409] [2020-10-29 06:41:07,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:07,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:07,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-29 06:41:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1612 [2020-10-29 06:41:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:09,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:09,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:09,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:09,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:41:09,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:41:09,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:09,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:10,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284431409] [2020-10-29 06:41:10,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:10,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:10,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240712302] [2020-10-29 06:41:10,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:10,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:10,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:10,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:10,075 INFO L87 Difference]: Start difference. First operand 1622 states and 2027 transitions. Second operand 7 states. [2020-10-29 06:41:11,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:11,728 INFO L93 Difference]: Finished difference Result 3699 states and 4666 transitions. [2020-10-29 06:41:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:41:11,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 194 [2020-10-29 06:41:11,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:11,743 INFO L225 Difference]: With dead ends: 3699 [2020-10-29 06:41:11,743 INFO L226 Difference]: Without dead ends: 2083 [2020-10-29 06:41:11,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:11,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2020-10-29 06:41:11,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1632. [2020-10-29 06:41:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1632 states. [2020-10-29 06:41:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 1925 transitions. [2020-10-29 06:41:11,828 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 1925 transitions. Word has length 194 [2020-10-29 06:41:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:11,829 INFO L481 AbstractCegarLoop]: Abstraction has 1632 states and 1925 transitions. [2020-10-29 06:41:11,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:11,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1925 transitions. [2020-10-29 06:41:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 06:41:11,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:11,834 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:11,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:41:11,835 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:11,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:11,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1081167320, now seen corresponding path program 1 times [2020-10-29 06:41:11,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:11,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070117276] [2020-10-29 06:41:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:11,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:12,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-29 06:41:16,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4420 [2020-10-29 06:41:16,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:41:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:16,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:16,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:16,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:16,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:16,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:16,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:16,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:16,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:41:16,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 06:41:16,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:41:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:16,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:41:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:16,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:16,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 06:41:16,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:16,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:16,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070117276] [2020-10-29 06:41:16,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:16,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:16,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380092020] [2020-10-29 06:41:16,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:16,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:16,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:16,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:16,796 INFO L87 Difference]: Start difference. First operand 1632 states and 1925 transitions. Second operand 7 states. [2020-10-29 06:41:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:18,408 INFO L93 Difference]: Finished difference Result 3423 states and 4075 transitions. [2020-10-29 06:41:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:41:18,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2020-10-29 06:41:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:18,424 INFO L225 Difference]: With dead ends: 3423 [2020-10-29 06:41:18,424 INFO L226 Difference]: Without dead ends: 1797 [2020-10-29 06:41:18,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:18,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2020-10-29 06:41:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1781. [2020-10-29 06:41:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2020-10-29 06:41:18,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2103 transitions. [2020-10-29 06:41:18,487 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2103 transitions. Word has length 201 [2020-10-29 06:41:18,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:18,488 INFO L481 AbstractCegarLoop]: Abstraction has 1781 states and 2103 transitions. [2020-10-29 06:41:18,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2103 transitions. [2020-10-29 06:41:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-29 06:41:18,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:18,493 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:18,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:41:18,493 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:18,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:18,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1511979096, now seen corresponding path program 1 times [2020-10-29 06:41:18,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:18,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864501773] [2020-10-29 06:41:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:18,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:19,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 06:41:19,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:19,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-10-29 06:41:19,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:19,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:41:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:19,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:19,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:19,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:19,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:19,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:19,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:19,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:19,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:19,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:19,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 06:41:19,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:19,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:19,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:41:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:19,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:19,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:19,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:41:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:20,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864501773] [2020-10-29 06:41:20,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:20,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:20,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582984153] [2020-10-29 06:41:20,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:20,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:20,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:20,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:20,082 INFO L87 Difference]: Start difference. First operand 1781 states and 2103 transitions. Second operand 7 states. [2020-10-29 06:41:21,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:21,950 INFO L93 Difference]: Finished difference Result 4472 states and 5450 transitions. [2020-10-29 06:41:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:41:21,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-10-29 06:41:21,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:21,963 INFO L225 Difference]: With dead ends: 4472 [2020-10-29 06:41:21,963 INFO L226 Difference]: Without dead ends: 1821 [2020-10-29 06:41:21,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:41:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2020-10-29 06:41:22,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1779. [2020-10-29 06:41:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2020-10-29 06:41:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2041 transitions. [2020-10-29 06:41:22,059 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2041 transitions. Word has length 206 [2020-10-29 06:41:22,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:22,060 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2041 transitions. [2020-10-29 06:41:22,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2041 transitions. [2020-10-29 06:41:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-29 06:41:22,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:22,065 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:22,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:41:22,065 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:22,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:22,066 INFO L82 PathProgramCache]: Analyzing trace with hash 133454868, now seen corresponding path program 1 times [2020-10-29 06:41:22,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:22,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176658861] [2020-10-29 06:41:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:22,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:22,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:22,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:26,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 06:41:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4704 [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:26,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:26,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:26,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:26,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:26,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:26,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:26,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:27,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:27,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:41:27,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 06:41:27,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:27,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:41:27,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:41:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:27,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-29 06:41:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:27,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:27,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176658861] [2020-10-29 06:41:27,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:27,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:27,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688764182] [2020-10-29 06:41:27,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:27,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:27,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:27,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:27,466 INFO L87 Difference]: Start difference. First operand 1779 states and 2041 transitions. Second operand 7 states. [2020-10-29 06:41:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:29,373 INFO L93 Difference]: Finished difference Result 4445 states and 5215 transitions. [2020-10-29 06:41:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:41:29,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-29 06:41:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:29,393 INFO L225 Difference]: With dead ends: 4445 [2020-10-29 06:41:29,393 INFO L226 Difference]: Without dead ends: 2672 [2020-10-29 06:41:29,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:41:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2020-10-29 06:41:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2512. [2020-10-29 06:41:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2512 states. [2020-10-29 06:41:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 2898 transitions. [2020-10-29 06:41:29,482 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 2898 transitions. Word has length 211 [2020-10-29 06:41:29,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:29,482 INFO L481 AbstractCegarLoop]: Abstraction has 2512 states and 2898 transitions. [2020-10-29 06:41:29,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 2898 transitions. [2020-10-29 06:41:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-29 06:41:29,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:29,488 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:29,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:41:29,488 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:29,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:29,489 INFO L82 PathProgramCache]: Analyzing trace with hash -64247632, now seen corresponding path program 1 times [2020-10-29 06:41:29,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:29,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827832212] [2020-10-29 06:41:29,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:29,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:29,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:31,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-29 06:41:34,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4786 [2020-10-29 06:41:34,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 06:41:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:34,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:34,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:34,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:34,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:41:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 06:41:34,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:41:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:41:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:34,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:34,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:34,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 06:41:34,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:34,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:34,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:34,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827832212] [2020-10-29 06:41:34,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:34,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:34,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011105972] [2020-10-29 06:41:34,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:34,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:34,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:34,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:34,793 INFO L87 Difference]: Start difference. First operand 2512 states and 2898 transitions. Second operand 7 states. [2020-10-29 06:41:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:36,526 INFO L93 Difference]: Finished difference Result 6037 states and 7054 transitions. [2020-10-29 06:41:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:41:36,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-29 06:41:36,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:36,549 INFO L225 Difference]: With dead ends: 6037 [2020-10-29 06:41:36,550 INFO L226 Difference]: Without dead ends: 3531 [2020-10-29 06:41:36,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:41:36,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2020-10-29 06:41:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3098. [2020-10-29 06:41:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3098 states. [2020-10-29 06:41:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 3635 transitions. [2020-10-29 06:41:36,661 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 3635 transitions. Word has length 220 [2020-10-29 06:41:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:36,662 INFO L481 AbstractCegarLoop]: Abstraction has 3098 states and 3635 transitions. [2020-10-29 06:41:36,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3635 transitions. [2020-10-29 06:41:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-29 06:41:36,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:36,669 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:36,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:41:36,670 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:36,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:36,670 INFO L82 PathProgramCache]: Analyzing trace with hash -218531600, now seen corresponding path program 1 times [2020-10-29 06:41:36,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:36,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388765739] [2020-10-29 06:41:36,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:37,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:37,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-29 06:41:37,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-29 06:41:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:37,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:41:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 06:41:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:37,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:37,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:37,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:37,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:37,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:37,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:37,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:37,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:37,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:37,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:37,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:37,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 06:41:37,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:37,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:37,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:37,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:37,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:41:37,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 06:41:37,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:37,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:41:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-29 06:41:37,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388765739] [2020-10-29 06:41:37,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:37,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:41:37,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497740924] [2020-10-29 06:41:37,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:41:37,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:37,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:41:37,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:37,696 INFO L87 Difference]: Start difference. First operand 3098 states and 3635 transitions. Second operand 6 states. [2020-10-29 06:41:39,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:39,129 INFO L93 Difference]: Finished difference Result 6191 states and 7279 transitions. [2020-10-29 06:41:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:39,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2020-10-29 06:41:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:39,131 INFO L225 Difference]: With dead ends: 6191 [2020-10-29 06:41:39,131 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:41:39,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:39,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:41:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:41:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:41:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:41:39,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2020-10-29 06:41:39,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:39,145 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:41:39,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:41:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:41:39,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:41:39,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:41:39,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:41:39,566 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 131 [2020-10-29 06:41:40,185 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 131 [2020-10-29 06:41:40,544 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-10-29 06:41:41,005 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 26 [2020-10-29 06:41:41,173 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 15 [2020-10-29 06:41:41,419 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-10-29 06:41:41,423 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:41:41,423 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:41:41,423 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:41:41,424 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:41:41,425 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,426 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:41:41,427 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,428 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:41:41,429 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:41:41,430 INFO L270 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (and (not (<= 331498 |old(~a1~0)|)) (not (<= 2 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (= 8 |old(~a19~0)|)) [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L111-1(line 111) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,431 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:41:41,432 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,433 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,434 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,435 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:41:41,436 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,437 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:41:41,438 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,439 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (= 8 |old(~a19~0)|)) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= 331498 |old(~a1~0)|)) .cse0))) [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:41:41,440 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:41:41,441 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:41:41,442 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:41:41,443 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,444 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,445 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,445 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:41,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:41:41,445 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 32)) [2020-10-29 06:41:41,445 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:41:41,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:41:41,445 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32))) [2020-10-29 06:41:41,445 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:41:41,446 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= ~a19~0 8)) (<= 331498 ~a1~0) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32)) (<= 2 ~a10~0)) [2020-10-29 06:41:41,446 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:41:41,446 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:41:41,446 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (not (= ~a19~0 8)) (<= 331498 ~a1~0) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32)) (<= 2 ~a10~0)) [2020-10-29 06:41:41,446 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:41:41,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:41:41 BoogieIcfgContainer [2020-10-29 06:41:41,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:41:41,471 INFO L168 Benchmark]: Toolchain (without parser) took 49313.76 ms. Allocated memory was 156.2 MB in the beginning and 822.1 MB in the end (delta: 665.8 MB). Free memory was 129.8 MB in the beginning and 582.6 MB in the end (delta: -452.8 MB). Peak memory consumption was 491.1 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:41,471 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 156.2 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:41:41,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.51 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 137.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:41,480 INFO L168 Benchmark]: Boogie Preprocessor took 172.22 ms. Allocated memory is still 156.2 MB. Free memory was 137.0 MB in the beginning and 132.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:41,480 INFO L168 Benchmark]: RCFGBuilder took 1627.37 ms. Allocated memory is still 156.2 MB. Free memory was 132.3 MB in the beginning and 114.6 MB in the end (delta: 17.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:41,486 INFO L168 Benchmark]: TraceAbstraction took 46529.48 ms. Allocated memory was 156.2 MB in the beginning and 822.1 MB in the end (delta: 665.8 MB). Free memory was 114.0 MB in the beginning and 582.6 MB in the end (delta: -468.5 MB). Peak memory consumption was 474.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:41,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 156.2 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 966.51 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 137.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 172.22 ms. Allocated memory is still 156.2 MB. Free memory was 137.0 MB in the beginning and 132.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1627.37 ms. Allocated memory is still 156.2 MB. Free memory was 132.3 MB in the beginning and 114.6 MB in the end (delta: 17.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46529.48 ms. Allocated memory was 156.2 MB in the beginning and 822.1 MB in the end (delta: 665.8 MB). Free memory was 114.0 MB in the beginning and 582.6 MB in the end (delta: -468.5 MB). Peak memory consumption was 474.7 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: 584]: Loop Invariant Derived loop invariant: (((((!(a19 == 8) || 331498 <= a1) || !(9 == \old(a19))) || a10 == 0) || !(0 == \old(a10))) || !(\old(a1) <= 32)) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 17.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 265 SDtfs, 3698 SDslu, 297 SDs, 0 SdLazy, 8349 SolverSat, 1235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3098occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1138 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 268 PreInvPairs, 324 NumberOfFragments, 224 HoareAnnotationTreeSize, 268 FomulaSimplifications, 261830 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 22137 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.5s InterpolantComputationTime, 1735 NumberOfCodeBlocks, 1735 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1725 ConstructedInterpolants, 0 QuantifiedInterpolants, 740129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1011/1089 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...