/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/Problem02_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:09:54,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:09:54,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:09:54,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:09:54,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:09:54,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:09:54,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:09:54,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:09:54,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:09:54,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:09:54,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:09:54,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:09:54,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:09:54,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:09:54,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:09:54,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:09:54,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:09:54,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:09:54,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:09:54,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:09:54,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:09:54,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:09:54,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:09:54,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:09:54,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:09:54,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:09:54,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:09:54,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:09:54,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:09:54,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:09:54,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:09:54,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:09:54,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:09:54,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:09:54,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:09:54,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:09:54,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:09:54,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:09:54,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:09:54,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:09:54,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:09:54,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:09:54,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:09:54,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:09:54,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:09:54,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:09:54,557 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:09:54,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:09:54,558 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:09:54,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:09:54,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:09:54,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:09:54,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:09:54,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:09:54,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:09:54,561 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:09:54,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:09:54,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:09:54,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:09:54,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:09:54,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:09:54,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:09:54,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:09:54,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:09:54,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:09:54,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:09:54,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:09:54,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:09:54,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:09:54,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:09:54,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:09:54,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:09:55,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:09:55,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:09:55,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:09:55,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:09:55,053 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:09:55,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-10-28 10:09:55,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b5186b0d/088eef15722d4a4b868d361d09b31f68/FLAGa1063c876 [2020-10-28 10:09:55,995 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:09:55,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-10-28 10:09:56,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b5186b0d/088eef15722d4a4b868d361d09b31f68/FLAGa1063c876 [2020-10-28 10:09:56,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b5186b0d/088eef15722d4a4b868d361d09b31f68 [2020-10-28 10:09:56,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:09:56,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:09:56,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:09:56,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:09:56,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:09:56,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:56,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216b903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56, skipping insertion in model container [2020-10-28 10:09:56,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:56,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:09:56,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:09:56,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:09:56,782 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:09:56,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:09:56,960 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:09:56,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56 WrapperNode [2020-10-28 10:09:56,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:09:56,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:09:56,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:09:56,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:09:56,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:56,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:57,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:57,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:57,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:57,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:57,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (1/1) ... [2020-10-28 10:09:57,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:09:57,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:09:57,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:09:57,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:09:57,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (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 10:09:57,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:09:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:09:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:09:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:09:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:09:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:09:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:09:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:09:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:09:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:09:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:09:58,836 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:09:58,836 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:09:58,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:09:58 BoogieIcfgContainer [2020-10-28 10:09:58,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:09:58,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:09:58,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:09:58,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:09:58,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:09:56" (1/3) ... [2020-10-28 10:09:58,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6987dc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:09:58, skipping insertion in model container [2020-10-28 10:09:58,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:56" (2/3) ... [2020-10-28 10:09:58,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6987dc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:09:58, skipping insertion in model container [2020-10-28 10:09:58,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:09:58" (3/3) ... [2020-10-28 10:09:58,848 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2020-10-28 10:09:58,861 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:09:58,867 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:09:58,881 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:09:58,913 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:09:58,913 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:09:58,913 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:09:58,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:09:58,914 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:09:58,914 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:09:58,914 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:09:58,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:09:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-28 10:09:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 10:09:58,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:58,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:58,957 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:58,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:58,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1024435101, now seen corresponding path program 1 times [2020-10-28 10:09:58,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:58,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076166377] [2020-10-28 10:09:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:59,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:59,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:01,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:01,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 10:10:01,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2009 [2020-10-28 10:10:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:01,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:10:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:10:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-28 10:10:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:10:01,719 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:10:01,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:01,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:01,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:01,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:01,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:10:01,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:01,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:10:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:01,840 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 10:10:01,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076166377] [2020-10-28 10:10:01,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:10:01,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:10:01,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759717340] [2020-10-28 10:10:01,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:10:01,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:01,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:10:01,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:10:01,876 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-28 10:10:02,139 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:10:04,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:04,283 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-28 10:10:04,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:04,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-10-28 10:10:04,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:04,301 INFO L225 Difference]: With dead ends: 632 [2020-10-28 10:10:04,301 INFO L226 Difference]: Without dead ends: 328 [2020-10-28 10:10:04,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:04,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-28 10:10:04,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-28 10:10:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-28 10:10:04,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-28 10:10:04,406 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 134 [2020-10-28 10:10:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:04,407 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-28 10:10:04,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:10:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-28 10:10:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 10:10:04,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:04,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:10:04,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:10:04,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:04,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:04,422 INFO L82 PathProgramCache]: Analyzing trace with hash -343419056, now seen corresponding path program 1 times [2020-10-28 10:10:04,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:04,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028104205] [2020-10-28 10:10:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:04,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:04,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:05,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:06,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:06,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 10:10:06,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:10:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1785 [2020-10-28 10:10:06,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:06,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 10:10:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 10:10:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:10:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:06,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:06,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:06,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:10:06,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:06,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 10:10:06,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:06,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:06,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:06,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 10:10:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:10:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:06,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 10:10:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:06,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028104205] [2020-10-28 10:10:06,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:06,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:10:06,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847315340] [2020-10-28 10:10:06,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:10:06,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:06,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:10:06,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:06,585 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 5 states. [2020-10-28 10:10:06,820 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:10:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:08,655 INFO L93 Difference]: Finished difference Result 948 states and 1458 transitions. [2020-10-28 10:10:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:08,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-28 10:10:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:08,666 INFO L225 Difference]: With dead ends: 948 [2020-10-28 10:10:08,666 INFO L226 Difference]: Without dead ends: 634 [2020-10-28 10:10:08,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:08,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-28 10:10:08,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 618. [2020-10-28 10:10:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-28 10:10:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 890 transitions. [2020-10-28 10:10:08,734 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 890 transitions. Word has length 149 [2020-10-28 10:10:08,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:08,735 INFO L481 AbstractCegarLoop]: Abstraction has 618 states and 890 transitions. [2020-10-28 10:10:08,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:10:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 890 transitions. [2020-10-28 10:10:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 10:10:08,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:08,744 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:10:08,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:10:08,745 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:08,745 INFO L82 PathProgramCache]: Analyzing trace with hash -736000658, now seen corresponding path program 1 times [2020-10-28 10:10:08,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:08,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600684592] [2020-10-28 10:10:08,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:08,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:08,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:09,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:10,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:10,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-28 10:10:10,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:10:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-10-28 10:10:10,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:10,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:10,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:10,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 10:10:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 10:10:10,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:10,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:10,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:10,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:10,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:10,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:10:10,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:10,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:10,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:10,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:10,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:10:10,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:10,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:10:10,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:10,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:10:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:10,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600684592] [2020-10-28 10:10:10,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:10,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:10:10,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178006158] [2020-10-28 10:10:10,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:10:10,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:10,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:10:10,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:10,570 INFO L87 Difference]: Start difference. First operand 618 states and 890 transitions. Second operand 5 states. [2020-10-28 10:10:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:12,368 INFO L93 Difference]: Finished difference Result 1833 states and 2725 transitions. [2020-10-28 10:10:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:12,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-10-28 10:10:12,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:12,387 INFO L225 Difference]: With dead ends: 1833 [2020-10-28 10:10:12,388 INFO L226 Difference]: Without dead ends: 1221 [2020-10-28 10:10:12,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:12,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-10-28 10:10:12,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1058. [2020-10-28 10:10:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-28 10:10:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1402 transitions. [2020-10-28 10:10:12,469 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1402 transitions. Word has length 156 [2020-10-28 10:10:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:12,469 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1402 transitions. [2020-10-28 10:10:12,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:10:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1402 transitions. [2020-10-28 10:10:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 10:10:12,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:12,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:10:12,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:10:12,479 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:12,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1404434950, now seen corresponding path program 1 times [2020-10-28 10:10:12,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:12,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842714400] [2020-10-28 10:10:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:12,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:12,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:13,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:13,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:14,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:14,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 10:10:14,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:10:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-28 10:10:14,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:14,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 10:10:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 10:10:14,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:14,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:14,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:14,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:14,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:14,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:10:14,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:14,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:14,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:14,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:14,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:14,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 10:10:14,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 10:10:14,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:14,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 10:10:14,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:14,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842714400] [2020-10-28 10:10:14,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:14,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:10:14,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884941134] [2020-10-28 10:10:14,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:10:14,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:14,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:10:14,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:14,403 INFO L87 Difference]: Start difference. First operand 1058 states and 1402 transitions. Second operand 5 states. [2020-10-28 10:10:14,862 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:10:16,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:16,459 INFO L93 Difference]: Finished difference Result 2571 states and 3584 transitions. [2020-10-28 10:10:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:16,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-28 10:10:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:16,474 INFO L225 Difference]: With dead ends: 2571 [2020-10-28 10:10:16,475 INFO L226 Difference]: Without dead ends: 1519 [2020-10-28 10:10:16,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:16,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-10-28 10:10:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1355. [2020-10-28 10:10:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2020-10-28 10:10:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1794 transitions. [2020-10-28 10:10:16,571 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1794 transitions. Word has length 176 [2020-10-28 10:10:16,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:16,572 INFO L481 AbstractCegarLoop]: Abstraction has 1355 states and 1794 transitions. [2020-10-28 10:10:16,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:10:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1794 transitions. [2020-10-28 10:10:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-28 10:10:16,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:16,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:10:16,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:10:16,580 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:16,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:16,580 INFO L82 PathProgramCache]: Analyzing trace with hash -2017010984, now seen corresponding path program 1 times [2020-10-28 10:10:16,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:16,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149187537] [2020-10-28 10:10:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:16,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:17,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:18,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 10:10:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:10:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2254 [2020-10-28 10:10:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:18,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 10:10:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:10:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-28 10:10:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:19,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:19,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:19,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 10:10:19,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:19,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:10:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:19,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:19,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:19,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:19,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 10:10:19,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-28 10:10:19,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:19,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 10:10:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 10:10:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:19,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149187537] [2020-10-28 10:10:19,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:19,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:10:19,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313921044] [2020-10-28 10:10:19,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:10:19,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:19,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:10:19,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:10:19,572 INFO L87 Difference]: Start difference. First operand 1355 states and 1794 transitions. Second operand 7 states. [2020-10-28 10:10:20,762 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-10-28 10:10:21,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:21,783 INFO L93 Difference]: Finished difference Result 2820 states and 3834 transitions. [2020-10-28 10:10:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:10:21,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-10-28 10:10:21,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:21,792 INFO L225 Difference]: With dead ends: 2820 [2020-10-28 10:10:21,793 INFO L226 Difference]: Without dead ends: 1370 [2020-10-28 10:10:21,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-28 10:10:21,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-28 10:10:21,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1354. [2020-10-28 10:10:21,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1354 states. [2020-10-28 10:10:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1789 transitions. [2020-10-28 10:10:21,855 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1789 transitions. Word has length 192 [2020-10-28 10:10:21,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:21,855 INFO L481 AbstractCegarLoop]: Abstraction has 1354 states and 1789 transitions. [2020-10-28 10:10:21,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:10:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1789 transitions. [2020-10-28 10:10:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 10:10:21,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:21,863 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:10:21,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:10:21,863 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:21,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:21,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1781819194, now seen corresponding path program 1 times [2020-10-28 10:10:21,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:21,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103000994] [2020-10-28 10:10:21,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:22,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:22,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:23,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:24,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:24,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:25,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:25,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-28 10:10:25,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 10:10:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3242 [2020-10-28 10:10:25,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:25,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-28 10:10:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 10:10:25,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:25,359 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:10:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:25,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:25,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:25,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:25,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:10:25,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:25,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:25,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:25,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:25,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 10:10:25,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 10:10:25,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:25,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 10:10:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:25,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103000994] [2020-10-28 10:10:25,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:25,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:10:25,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839373096] [2020-10-28 10:10:25,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:10:25,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:25,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:10:25,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:25,605 INFO L87 Difference]: Start difference. First operand 1354 states and 1789 transitions. Second operand 5 states. [2020-10-28 10:10:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:27,219 INFO L93 Difference]: Finished difference Result 3440 states and 4729 transitions. [2020-10-28 10:10:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:27,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2020-10-28 10:10:27,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:27,221 INFO L225 Difference]: With dead ends: 3440 [2020-10-28 10:10:27,221 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:10:27,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:27,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:10:27,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:10:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:10:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:10:27,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-10-28 10:10:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:27,231 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:10:27,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:10:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:10:27,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:10:27,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:10:27,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:10:27,907 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 30 [2020-10-28 10:10:28,210 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 30 [2020-10-28 10:10:29,102 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 62 [2020-10-28 10:10:29,468 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-10-28 10:10:29,472 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:10:29,473 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:10:29,473 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:10:29,473 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:10:29,473 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:10:29,475 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-28 10:10:29,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:10:29,475 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 10:10:29,475 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-28 10:10:29,476 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,477 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-28 10:10:29,478 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-28 10:10:29,478 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-28 10:10:29,478 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-28 10:10:29,478 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-28 10:10:29,479 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 10:10:29,479 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-28 10:10:29,480 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,481 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,481 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,482 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,482 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-28 10:10:29,482 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,482 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:10:29,483 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-28 10:10:29,484 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-28 10:10:29,484 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-28 10:10:29,484 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:10:29,484 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:10:29,484 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-28 10:10:29,485 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,486 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,486 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,486 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,486 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,486 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-28 10:10:29,487 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-28 10:10:29,488 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-28 10:10:29,488 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 10:10:29,488 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-28 10:10:29,489 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,489 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,489 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,489 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,489 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-28 10:10:29,490 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-28 10:10:29,491 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 10:10:29,492 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 10:10:29,492 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-28 10:10:29,492 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-28 10:10:29,492 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:10:29,493 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 10:10:29,494 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,495 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-28 10:10:29,496 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-28 10:10:29,497 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-28 10:10:29,498 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-28 10:10:29,498 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-28 10:10:29,498 INFO L270 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 1)))) (and (or (not (<= 8 |old(~a17~0)|)) .cse0) (or (not (= 10 |old(~a28~0)|)) .cse0) (or (not (= |old(~a25~0)| 1)) .cse0) (or .cse0 (not (= 8 |old(~a28~0)|))) (or (not (= |old(~a19~0)| 1)) .cse0) (or (not (= 7 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 9 |old(~a28~0)|)) .cse0 (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0))))) [2020-10-28 10:10:29,498 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-28 10:10:29,498 INFO L274 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-10-28 10:10:29,498 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-28 10:10:29,499 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (not (= ~a21~0 1)))) (and (or (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or (not (= |old(~a25~0)| 1)) (and .cse0 .cse1 .cse2 (= ~a25~0 1) .cse4) .cse5) (or (and .cse1 .cse2 .cse3 (= ~a28~0 8) .cse4) .cse5 (not (= 8 |old(~a28~0)|))) (or (and .cse1 .cse2 .cse3 .cse4 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|)) .cse5) (or (not (= |old(~a19~0)| 1)) .cse5 (and .cse0 .cse1 .cse2 (= ~a19~0 1) .cse3)) (or (not (= 7 |old(~a17~0)|)) (and .cse1 .cse2 .cse3 (= ~a28~0 9) .cse4) (not (<= |old(~a25~0)| 0)) (not (= 9 |old(~a28~0)|)) .cse5 (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0))))) [2020-10-28 10:10:29,499 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,500 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-28 10:10:29,501 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,502 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-28 10:10:29,503 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,504 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a21~0 1) (<= 8 ~a17~0)) [2020-10-28 10:10:29,505 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:10:29,505 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:10:29,505 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (<= 8 ~a17~0) (= ~a25~0 1) (not (= ~a21~0 1)) (= ~a28~0 8) (and (<= ~a11~0 0) (<= ~a19~0 0) (= 7 ~a17~0) (= ~a28~0 9) (<= ~a25~0 0)) (= ~a28~0 10)) [2020-10-28 10:10:29,506 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-28 10:10:29,506 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:10:29,506 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:10:29,506 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (<= 8 ~a17~0) (= ~a25~0 1) (not (= ~a21~0 1)) (= ~a28~0 8) (and (<= ~a11~0 0) (<= ~a19~0 0) (= 7 ~a17~0) (= ~a28~0 9) (<= ~a25~0 0)) (= ~a28~0 10)) [2020-10-28 10:10:29,506 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 10:10:29,506 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-28 10:10:29,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:10:29 BoogieIcfgContainer [2020-10-28 10:10:29,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:10:29,542 INFO L168 Benchmark]: Toolchain (without parser) took 33285.04 ms. Allocated memory was 151.0 MB in the beginning and 607.1 MB in the end (delta: 456.1 MB). Free memory was 124.8 MB in the beginning and 237.2 MB in the end (delta: -112.4 MB). Peak memory consumption was 344.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:29,542 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:10:29,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.24 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 98.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:29,550 INFO L168 Benchmark]: Boogie Preprocessor took 112.76 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 93.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:29,551 INFO L168 Benchmark]: RCFGBuilder took 1760.68 ms. Allocated memory is still 151.0 MB. Free memory was 93.8 MB in the beginning and 128.0 MB in the end (delta: -34.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:29,552 INFO L168 Benchmark]: TraceAbstraction took 30697.42 ms. Allocated memory was 151.0 MB in the beginning and 607.1 MB in the end (delta: 456.1 MB). Free memory was 127.5 MB in the beginning and 237.2 MB in the end (delta: -109.7 MB). Peak memory consumption was 347.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:29,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 699.24 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 98.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.76 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 93.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1760.68 ms. Allocated memory is still 151.0 MB. Free memory was 93.8 MB in the beginning and 128.0 MB in the end (delta: -34.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30697.42 ms. Allocated memory was 151.0 MB in the beginning and 607.1 MB in the end (delta: 456.1 MB). Free memory was 127.5 MB in the beginning and 237.2 MB in the end (delta: -109.7 MB). Peak memory consumption was 347.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((!(\old(a19) == 1) || !(8 <= \old(a17))) || a19 == 1) || 8 <= a17) || a25 == 1) || !(a21 == 1)) || a28 == 8) || ((((a11 <= 0 && a19 <= 0) && 7 == a17) && a28 == 9) && a25 <= 0)) || a28 == 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 234 SDtfs, 2057 SDslu, 216 SDs, 0 SdLazy, 4679 SolverSat, 720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1355occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 367 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 112 PreInvPairs, 148 NumberOfFragments, 449 HoareAnnotationTreeSize, 112 FomulaSimplifications, 59082 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1773 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 1018 NumberOfCodeBlocks, 1018 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1012 ConstructedInterpolants, 0 QuantifiedInterpolants, 887252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 190/195 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...