/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:58:03,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:58:03,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:58:03,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:58:03,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:58:03,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:58:03,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:58:03,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:58:03,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:58:03,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:58:03,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:58:03,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:58:03,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:58:03,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:58:03,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:58:03,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:58:03,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:58:03,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:58:03,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:58:03,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:58:03,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:58:03,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:58:03,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:58:03,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:58:03,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:58:03,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:58:03,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:58:03,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:58:03,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:58:03,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:58:03,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:58:03,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:58:03,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:58:03,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:58:03,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:58:03,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:58:03,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:58:03,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:58:03,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:58:03,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:58:03,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:58:03,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 11:58:03,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:58:03,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:58:03,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:58:03,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:58:03,555 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:58:03,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:58:03,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:58:03,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:58:03,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:58:03,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:58:03,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:58:03,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:58:03,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:58:03,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:58:03,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:58:03,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:58:03,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:58:03,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:58:03,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:58:03,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:58:03,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:58:03,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:03,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:58:03,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:58:03,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:58:03,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:58:03,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:58:03,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:58:03,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:58:03,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:58:03,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:58:04,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:58:04,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:58:04,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:58:04,006 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:58:04,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-10-28 11:58:04,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9b2a2f4e/0d8894c884784888895e07b5b8a9996e/FLAG211e4ba85 [2020-10-28 11:58:04,854 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:58:04,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-10-28 11:58:04,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9b2a2f4e/0d8894c884784888895e07b5b8a9996e/FLAG211e4ba85 [2020-10-28 11:58:05,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9b2a2f4e/0d8894c884784888895e07b5b8a9996e [2020-10-28 11:58:05,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:58:05,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:58:05,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:05,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:58:05,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:58:05,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:05,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b835bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05, skipping insertion in model container [2020-10-28 11:58:05,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:05,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:58:05,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:58:05,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:05,672 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:58:05,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:05,879 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:58:05,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05 WrapperNode [2020-10-28 11:58:05,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:05,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:58:05,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:58:05,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:58:05,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:05,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:05,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:05,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:06,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:06,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:06,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... [2020-10-28 11:58:06,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:58:06,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:58:06,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:58:06,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:58:06,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:58:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:58:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:58:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:58:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:58:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:58:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:58:07,511 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:58:07,511 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:58:07,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:07 BoogieIcfgContainer [2020-10-28 11:58:07,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:58:07,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:58:07,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:58:07,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:58:07,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:05" (1/3) ... [2020-10-28 11:58:07,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548b3009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:07, skipping insertion in model container [2020-10-28 11:58:07,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:05" (2/3) ... [2020-10-28 11:58:07,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548b3009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:07, skipping insertion in model container [2020-10-28 11:58:07,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:07" (3/3) ... [2020-10-28 11:58:07,523 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2020-10-28 11:58:07,536 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:58:07,542 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:58:07,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:58:07,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:58:07,585 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:58:07,585 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:58:07,585 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:58:07,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:58:07,586 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:58:07,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:58:07,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:58:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:58:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 11:58:07,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:07,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:07,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:07,627 INFO L82 PathProgramCache]: Analyzing trace with hash -304725924, now seen corresponding path program 1 times [2020-10-28 11:58:07,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:07,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931807503] [2020-10-28 11:58:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:07,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:08,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-28 11:58:08,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 11:58:08,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:08,827 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-28 11:58:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:08,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:08,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 11:58:08,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:08,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931807503] [2020-10-28 11:58:08,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:08,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:58:08,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056557364] [2020-10-28 11:58:08,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:58:08,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:08,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:58:08,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:58:08,910 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:58:10,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:10,754 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 11:58:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:10,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2020-10-28 11:58:10,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:10,783 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:58:10,783 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:58:10,793 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 [2020-10-28 11:58:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:58:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 11:58:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 11:58:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 11:58:10,886 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 68 [2020-10-28 11:58:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:10,887 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 11:58:10,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:58:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 11:58:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 11:58:10,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:10,894 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:10,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:58:10,895 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:10,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:10,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2074468320, now seen corresponding path program 1 times [2020-10-28 11:58:10,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:10,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458179369] [2020-10-28 11:58:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:11,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:11,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:11,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:11,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 11:58:11,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:11,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 915 [2020-10-28 11:58:11,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:11,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:11,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 11:58:11,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:12,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:12,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:12,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:12,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:12,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:58:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:12,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:12,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:12,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:12,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:12,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 11:58:12,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:12,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:12,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458179369] [2020-10-28 11:58:12,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:12,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:12,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775861840] [2020-10-28 11:58:12,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:12,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:12,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:12,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:12,298 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 11:58:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:13,826 INFO L93 Difference]: Finished difference Result 886 states and 1199 transitions. [2020-10-28 11:58:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:13,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-28 11:58:13,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:13,844 INFO L225 Difference]: With dead ends: 886 [2020-10-28 11:58:13,844 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:58:13,847 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 [2020-10-28 11:58:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:58:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 11:58:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 11:58:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 757 transitions. [2020-10-28 11:58:13,933 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 757 transitions. Word has length 138 [2020-10-28 11:58:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:13,935 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 757 transitions. [2020-10-28 11:58:13,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 757 transitions. [2020-10-28 11:58:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 11:58:13,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:13,944 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:13,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:58:13,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:13,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:13,945 INFO L82 PathProgramCache]: Analyzing trace with hash -970692448, now seen corresponding path program 1 times [2020-10-28 11:58:13,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:13,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335951590] [2020-10-28 11:58:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:14,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:14,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:14,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-28 11:58:14,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:14,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-28 11:58:14,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:14,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 11:58:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:14,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:14,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:14,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:14,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:14,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:14,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:14,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:14,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:14,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:14,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:14,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 11:58:14,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:14,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:14,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:14,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335951590] [2020-10-28 11:58:14,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:14,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:14,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986001282] [2020-10-28 11:58:14,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:14,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:14,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:14,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:14,859 INFO L87 Difference]: Start difference. First operand 589 states and 757 transitions. Second operand 5 states. [2020-10-28 11:58:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:16,498 INFO L93 Difference]: Finished difference Result 1466 states and 1917 transitions. [2020-10-28 11:58:16,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:16,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-28 11:58:16,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:16,504 INFO L225 Difference]: With dead ends: 1466 [2020-10-28 11:58:16,504 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:58:16,507 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 [2020-10-28 11:58:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:58:16,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 11:58:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 11:58:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 734 transitions. [2020-10-28 11:58:16,532 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 734 transitions. Word has length 147 [2020-10-28 11:58:16,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:16,532 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 734 transitions. [2020-10-28 11:58:16,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 734 transitions. [2020-10-28 11:58:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-28 11:58:16,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:16,537 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:16,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:58:16,537 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:16,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:16,538 INFO L82 PathProgramCache]: Analyzing trace with hash -308277664, now seen corresponding path program 1 times [2020-10-28 11:58:16,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:16,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160210095] [2020-10-28 11:58:16,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:16,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:17,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 11:58:17,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:17,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 936 [2020-10-28 11:58:17,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:17,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-28 11:58:17,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:17,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:17,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:58:17,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:17,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:17,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 11:58:17,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:17,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:17,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:18,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:18,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:18,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:18,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 11:58:18,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:18,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 11:58:18,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-28 11:58:18,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160210095] [2020-10-28 11:58:18,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:18,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:18,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464643193] [2020-10-28 11:58:18,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:18,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:18,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:18,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:18,229 INFO L87 Difference]: Start difference. First operand 589 states and 734 transitions. Second operand 7 states. [2020-10-28 11:58:20,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:20,995 INFO L93 Difference]: Finished difference Result 2046 states and 2767 transitions. [2020-10-28 11:58:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:20,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 210 [2020-10-28 11:58:20,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:21,005 INFO L225 Difference]: With dead ends: 2046 [2020-10-28 11:58:21,006 INFO L226 Difference]: Without dead ends: 1463 [2020-10-28 11:58:21,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:58:21,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2020-10-28 11:58:21,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1459. [2020-10-28 11:58:21,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1459 states. [2020-10-28 11:58:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1904 transitions. [2020-10-28 11:58:21,067 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1904 transitions. Word has length 210 [2020-10-28 11:58:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:21,068 INFO L481 AbstractCegarLoop]: Abstraction has 1459 states and 1904 transitions. [2020-10-28 11:58:21,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1904 transitions. [2020-10-28 11:58:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-28 11:58:21,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:21,074 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:21,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:58:21,075 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:21,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash -731785976, now seen corresponding path program 1 times [2020-10-28 11:58:21,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:21,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [853666559] [2020-10-28 11:58:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:21,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:21,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:21,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-28 11:58:26,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:26,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 11:58:26,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:26,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 11:58:26,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 11:58:26,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:26,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:26,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:26,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 11:58:26,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:26,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:26,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:26,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 11:58:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:58:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:58:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:26,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:26,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-28 11:58:26,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:58:26,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:26,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [853666559] [2020-10-28 11:58:26,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:26,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:26,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931554990] [2020-10-28 11:58:26,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:26,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:26,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:26,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:26,931 INFO L87 Difference]: Start difference. First operand 1459 states and 1904 transitions. Second operand 7 states. [2020-10-28 11:58:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:28,992 INFO L93 Difference]: Finished difference Result 3081 states and 4060 transitions. [2020-10-28 11:58:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:28,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 264 [2020-10-28 11:58:28,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:29,010 INFO L225 Difference]: With dead ends: 3081 [2020-10-28 11:58:29,011 INFO L226 Difference]: Without dead ends: 1628 [2020-10-28 11:58:29,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:29,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-28 11:58:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1624. [2020-10-28 11:58:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1624 states. [2020-10-28 11:58:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2109 transitions. [2020-10-28 11:58:29,097 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2109 transitions. Word has length 264 [2020-10-28 11:58:29,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:29,098 INFO L481 AbstractCegarLoop]: Abstraction has 1624 states and 2109 transitions. [2020-10-28 11:58:29,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:29,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2109 transitions. [2020-10-28 11:58:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-28 11:58:29,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:29,105 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:29,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:58:29,105 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:29,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1409280612, now seen corresponding path program 1 times [2020-10-28 11:58:29,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:29,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408276791] [2020-10-28 11:58:29,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:29,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:31,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:31,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-28 11:58:31,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:31,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2731 [2020-10-28 11:58:31,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:31,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 11:58:31,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:31,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:31,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:31,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:31,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:31,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 11:58:31,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:31,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:32,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:32,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:32,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:32,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 11:58:32,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:32,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:32,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:32,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:32,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:32,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:32,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 11:58:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:32,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:32,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 11:58:32,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:32,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 11:58:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 120 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:32,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408276791] [2020-10-28 11:58:32,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:32,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:32,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656121991] [2020-10-28 11:58:32,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:32,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:32,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:32,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:32,539 INFO L87 Difference]: Start difference. First operand 1624 states and 2109 transitions. Second operand 7 states. [2020-10-28 11:58:33,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:33,931 INFO L93 Difference]: Finished difference Result 3401 states and 4421 transitions. [2020-10-28 11:58:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 11:58:33,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2020-10-28 11:58:33,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:33,942 INFO L225 Difference]: With dead ends: 3401 [2020-10-28 11:58:33,943 INFO L226 Difference]: Without dead ends: 1783 [2020-10-28 11:58:33,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:58:33,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2020-10-28 11:58:34,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1779. [2020-10-28 11:58:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2020-10-28 11:58:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2298 transitions. [2020-10-28 11:58:34,012 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2298 transitions. Word has length 274 [2020-10-28 11:58:34,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:34,012 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2298 transitions. [2020-10-28 11:58:34,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2298 transitions. [2020-10-28 11:58:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-28 11:58:34,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:34,021 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:34,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:58:34,021 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:34,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:34,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1168724384, now seen corresponding path program 1 times [2020-10-28 11:58:34,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:34,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902132275] [2020-10-28 11:58:34,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:36,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-28 11:58:36,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2276 [2020-10-28 11:58:36,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:36,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:58:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:36,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:36,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:36,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:36,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:36,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:36,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 11:58:36,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:36,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:36,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:36,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:36,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:36,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-28 11:58:36,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:36,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 11:58:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:36,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:36,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:36,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 11:58:36,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:36,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 11:58:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 251 proven. 86 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 11:58:37,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902132275] [2020-10-28 11:58:37,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:37,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:37,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216833088] [2020-10-28 11:58:37,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:37,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:37,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:37,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:37,041 INFO L87 Difference]: Start difference. First operand 1779 states and 2298 transitions. Second operand 7 states. [2020-10-28 11:58:39,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:39,448 INFO L93 Difference]: Finished difference Result 3572 states and 4637 transitions. [2020-10-28 11:58:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:58:39,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 344 [2020-10-28 11:58:39,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:39,460 INFO L225 Difference]: With dead ends: 3572 [2020-10-28 11:58:39,461 INFO L226 Difference]: Without dead ends: 1942 [2020-10-28 11:58:39,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2020-10-28 11:58:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1642. [2020-10-28 11:58:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2020-10-28 11:58:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2070 transitions. [2020-10-28 11:58:39,537 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2070 transitions. Word has length 344 [2020-10-28 11:58:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:39,538 INFO L481 AbstractCegarLoop]: Abstraction has 1642 states and 2070 transitions. [2020-10-28 11:58:39,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2070 transitions. [2020-10-28 11:58:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-10-28 11:58:39,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:39,549 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:39,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:58:39,550 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:39,550 INFO L82 PathProgramCache]: Analyzing trace with hash -2039144296, now seen corresponding path program 1 times [2020-10-28 11:58:39,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:39,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742269200] [2020-10-28 11:58:39,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:40,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:42,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:42,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-28 11:58:42,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:42,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3007 [2020-10-28 11:58:42,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:42,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:58:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:58:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:42,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:42,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:42,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:42,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:42,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:42,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:42,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:42,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:42,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 11:58:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:42,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:58:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:42,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:43,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:43,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:43,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 11:58:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:43,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:43,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 11:58:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:43,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:43,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:43,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:43,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 11:58:43,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:43,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 11:58:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 268 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 11:58:43,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742269200] [2020-10-28 11:58:43,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:43,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:43,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742987945] [2020-10-28 11:58:43,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:43,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:43,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:43,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:43,513 INFO L87 Difference]: Start difference. First operand 1642 states and 2070 transitions. Second operand 7 states. [2020-10-28 11:58:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:47,812 INFO L93 Difference]: Finished difference Result 3455 states and 4456 transitions. [2020-10-28 11:58:47,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:58:47,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 389 [2020-10-28 11:58:47,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:47,825 INFO L225 Difference]: With dead ends: 3455 [2020-10-28 11:58:47,826 INFO L226 Difference]: Without dead ends: 1962 [2020-10-28 11:58:47,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 11:58:47,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-28 11:58:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1944. [2020-10-28 11:58:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1944 states. [2020-10-28 11:58:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2412 transitions. [2020-10-28 11:58:47,915 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2412 transitions. Word has length 389 [2020-10-28 11:58:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:47,915 INFO L481 AbstractCegarLoop]: Abstraction has 1944 states and 2412 transitions. [2020-10-28 11:58:47,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2412 transitions. [2020-10-28 11:58:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-28 11:58:47,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:47,928 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:47,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:58:47,928 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:47,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1183785504, now seen corresponding path program 1 times [2020-10-28 11:58:47,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:47,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193573815] [2020-10-28 11:58:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:48,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:49,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-10-28 11:58:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1911 [2020-10-28 11:58:49,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:49,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-28 11:58:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 11:58:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:50,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:50,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:50,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:50,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:50,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:50,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:50,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:50,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:58:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:50,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:50,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 11:58:50,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:50,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:50,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 11:58:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:50,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:50,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:50,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:50,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 11:58:50,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:50,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 11:58:50,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-28 11:58:50,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193573815] [2020-10-28 11:58:50,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:50,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:50,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205080403] [2020-10-28 11:58:50,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:50,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:50,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:50,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:50,477 INFO L87 Difference]: Start difference. First operand 1944 states and 2412 transitions. Second operand 5 states. [2020-10-28 11:58:52,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:52,135 INFO L93 Difference]: Finished difference Result 2969 states and 3720 transitions. [2020-10-28 11:58:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:52,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 408 [2020-10-28 11:58:52,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:52,136 INFO L225 Difference]: With dead ends: 2969 [2020-10-28 11:58:52,136 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 11:58:52,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:52,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 11:58:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 11:58:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 11:58:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 11:58:52,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2020-10-28 11:58:52,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:52,144 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 11:58:52,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 11:58:52,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 11:58:52,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:58:52,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 11:58:52,392 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-10-28 11:58:52,851 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-10-28 11:58:53,264 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 25 [2020-10-28 11:58:53,716 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 28 [2020-10-28 11:58:53,826 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 17 [2020-10-28 11:58:54,188 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 25 [2020-10-28 11:58:54,197 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 11:58:54,197 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 11:58:54,197 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 11:58:54,198 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 11:58:54,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:58:54,198 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)|)) [2020-10-28 11:58:54,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:58:54,198 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 11:58:54,198 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 11:58:54,199 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 11:58:54,199 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 11:58:54,199 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 11:58:54,199 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 11:58:54,200 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 11:58:54,201 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 11:58:54,201 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 11:58:54,201 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 11:58:54,201 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 11:58:54,201 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 11:58:54,202 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 11:58:54,203 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 11:58:54,204 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 11:58:54,205 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 11:58:54,206 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 11:58:54,207 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 11:58:54,207 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 11:58:54,207 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,207 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,208 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,209 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,209 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,209 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 11:58:54,209 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 11:58:54,210 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,211 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,211 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,211 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,211 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,211 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 11:58:54,212 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,213 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,214 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,214 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 11:58:54,214 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 11:58:54,214 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 11:58:54,214 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 11:58:54,215 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 11:58:54,215 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,215 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,215 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 11:58:54,215 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 11:58:54,215 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 11:58:54,216 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 11:58:54,217 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 11:58:54,218 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 11:58:54,218 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 11:58:54,218 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 11:58:54,219 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L270 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (and (not (= 9 |old(~a19~0)|)) (= 3 |old(~a10~0)|) (not (= 8 |old(~a19~0)|)) (not (<= 0 (+ |old(~a1~0)| 12)))) [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L189-1(line 189) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 11:58:54,220 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,221 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 11:58:54,222 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 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (= 9 |old(~a19~0)|))) (or .cse0 (= 3 |old(~a10~0)|)) (or .cse0 (not (<= 0 (+ |old(~a1~0)| 12)))))) [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 11:58:54,222 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 11:58:54,223 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 11:58:54,224 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 11:58:54,225 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,226 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 11:58:54,227 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 11:58:54,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:58:54,227 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 11:58:54,228 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:58:54,228 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (= ~a19~0 8) (<= 0 (+ ~a1~0 12)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|))) [2020-10-28 11:58:54,228 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 11:58:54,228 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 11:58:54,228 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (= ~a19~0 8) (<= 0 (+ ~a1~0 12)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|))) [2020-10-28 11:58:54,228 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:58:54,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:58:54 BoogieIcfgContainer [2020-10-28 11:58:54,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 11:58:54,253 INFO L168 Benchmark]: Toolchain (without parser) took 49088.23 ms. Allocated memory was 166.7 MB in the beginning and 933.2 MB in the end (delta: 766.5 MB). Free memory was 139.8 MB in the beginning and 467.9 MB in the end (delta: -328.2 MB). Peak memory consumption was 438.9 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:54,253 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 166.7 MB. Free memory is still 139.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 11:58:54,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.49 ms. Allocated memory is still 166.7 MB. Free memory was 139.1 MB in the beginning and 112.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:54,255 INFO L168 Benchmark]: Boogie Preprocessor took 147.41 ms. Allocated memory is still 166.7 MB. Free memory was 112.3 MB in the beginning and 144.7 MB in the end (delta: -32.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:54,260 INFO L168 Benchmark]: RCFGBuilder took 1483.49 ms. Allocated memory was 166.7 MB in the beginning and 201.3 MB in the end (delta: 34.6 MB). Free memory was 144.7 MB in the beginning and 167.4 MB in the end (delta: -22.6 MB). Peak memory consumption was 95.4 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:54,263 INFO L168 Benchmark]: TraceAbstraction took 46734.73 ms. Allocated memory was 201.3 MB in the beginning and 933.2 MB in the end (delta: 731.9 MB). Free memory was 166.9 MB in the beginning and 467.9 MB in the end (delta: -301.1 MB). Peak memory consumption was 430.8 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:54,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 166.7 MB. Free memory is still 139.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 707.49 ms. Allocated memory is still 166.7 MB. Free memory was 139.1 MB in the beginning and 112.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 147.41 ms. Allocated memory is still 166.7 MB. Free memory was 112.3 MB in the beginning and 144.7 MB in the end (delta: -32.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1483.49 ms. Allocated memory was 166.7 MB in the beginning and 201.3 MB in the end (delta: 34.6 MB). Free memory was 144.7 MB in the beginning and 167.4 MB in the end (delta: -22.6 MB). Peak memory consumption was 95.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46734.73 ms. Allocated memory was 201.3 MB in the beginning and 933.2 MB in the end (delta: 731.9 MB). Free memory was 166.9 MB in the beginning and 467.9 MB in the end (delta: -301.1 MB). Peak memory consumption was 430.8 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 || 0 <= a1 + 12) || !(a10 == 3)) || !(9 == \old(a19))) || a19 == 9) || !(0 == \old(a10))) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 235 SDtfs, 4318 SDslu, 235 SDs, 0 SdLazy, 7658 SolverSat, 1172 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1944occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 342 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 165 PreInvPairs, 209 NumberOfFragments, 232 HoareAnnotationTreeSize, 165 FomulaSimplifications, 37018 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5699 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 2242 NumberOfCodeBlocks, 2242 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2233 ConstructedInterpolants, 0 QuantifiedInterpolants, 1749421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 1800/2063 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...